991 Subtraction - Subtract 991

991 Subtraction

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How much is 991 subtracted by other numbers? What is 991 minus other numbers?

991 minus 1 = 990991 minus 2 = 989991 minus 3 = 988991 minus 4 = 987991 minus 5 = 986
991 minus 6 = 985991 minus 7 = 984991 minus 8 = 983991 minus 9 = 982991 minus 10 = 981
991 minus 11 = 980991 minus 12 = 979991 minus 13 = 978991 minus 14 = 977991 minus 15 = 976
991 minus 16 = 975991 minus 17 = 974991 minus 18 = 973991 minus 19 = 972991 minus 20 = 971
991 minus 21 = 970991 minus 22 = 969991 minus 23 = 968991 minus 24 = 967991 minus 25 = 966
991 minus 26 = 965991 minus 27 = 964991 minus 28 = 963991 minus 29 = 962991 minus 30 = 961
991 minus 31 = 960991 minus 32 = 959991 minus 33 = 958991 minus 34 = 957991 minus 35 = 956
991 minus 36 = 955991 minus 37 = 954991 minus 38 = 953991 minus 39 = 952991 minus 40 = 951
991 minus 41 = 950991 minus 42 = 949991 minus 43 = 948991 minus 44 = 947991 minus 45 = 946
991 minus 46 = 945991 minus 47 = 944991 minus 48 = 943991 minus 49 = 942991 minus 50 = 941
991 minus 51 = 940991 minus 52 = 939991 minus 53 = 938991 minus 54 = 937991 minus 55 = 936
991 minus 56 = 935991 minus 57 = 934991 minus 58 = 933991 minus 59 = 932991 minus 60 = 931
991 minus 61 = 930991 minus 62 = 929991 minus 63 = 928991 minus 64 = 927991 minus 65 = 926
991 minus 66 = 925991 minus 67 = 924991 minus 68 = 923991 minus 69 = 922991 minus 70 = 921
991 minus 71 = 920991 minus 72 = 919991 minus 73 = 918991 minus 74 = 917991 minus 75 = 916
991 minus 76 = 915991 minus 77 = 914991 minus 78 = 913991 minus 79 = 912991 minus 80 = 911
991 minus 81 = 910991 minus 82 = 909991 minus 83 = 908991 minus 84 = 907991 minus 85 = 906
991 minus 86 = 905991 minus 87 = 904991 minus 88 = 903991 minus 89 = 902991 minus 90 = 901
991 minus 91 = 900991 minus 92 = 899991 minus 93 = 898991 minus 94 = 897991 minus 95 = 896
991 minus 96 = 895991 minus 97 = 894991 minus 98 = 893991 minus 99 = 892991 minus 100 = 891
991 minus 101 = 890991 minus 102 = 889991 minus 103 = 888991 minus 104 = 887991 minus 105 = 886
991 minus 106 = 885991 minus 107 = 884991 minus 108 = 883991 minus 109 = 882991 minus 110 = 881
991 minus 111 = 880991 minus 112 = 879991 minus 113 = 878991 minus 114 = 877991 minus 115 = 876
991 minus 116 = 875991 minus 117 = 874991 minus 118 = 873991 minus 119 = 872991 minus 120 = 871
991 minus 121 = 870991 minus 122 = 869991 minus 123 = 868991 minus 124 = 867991 minus 125 = 866
991 minus 126 = 865991 minus 127 = 864991 minus 128 = 863991 minus 129 = 862991 minus 130 = 861
991 minus 131 = 860991 minus 132 = 859991 minus 133 = 858991 minus 134 = 857991 minus 135 = 856
991 minus 136 = 855991 minus 137 = 854991 minus 138 = 853991 minus 139 = 852991 minus 140 = 851
991 minus 141 = 850991 minus 142 = 849991 minus 143 = 848991 minus 144 = 847991 minus 145 = 846
991 minus 146 = 845991 minus 147 = 844991 minus 148 = 843991 minus 149 = 842991 minus 150 = 841
991 minus 151 = 840991 minus 152 = 839991 minus 153 = 838991 minus 154 = 837991 minus 155 = 836
991 minus 156 = 835991 minus 157 = 834991 minus 158 = 833991 minus 159 = 832991 minus 160 = 831
991 minus 161 = 830991 minus 162 = 829991 minus 163 = 828991 minus 164 = 827991 minus 165 = 826
991 minus 166 = 825991 minus 167 = 824991 minus 168 = 823991 minus 169 = 822991 minus 170 = 821
991 minus 171 = 820991 minus 172 = 819991 minus 173 = 818991 minus 174 = 817991 minus 175 = 816
991 minus 176 = 815991 minus 177 = 814991 minus 178 = 813991 minus 179 = 812991 minus 180 = 811
991 minus 181 = 810991 minus 182 = 809991 minus 183 = 808991 minus 184 = 807991 minus 185 = 806
991 minus 186 = 805991 minus 187 = 804991 minus 188 = 803991 minus 189 = 802991 minus 190 = 801
991 minus 191 = 800991 minus 192 = 799991 minus 193 = 798991 minus 194 = 797991 minus 195 = 796
991 minus 196 = 795991 minus 197 = 794991 minus 198 = 793991 minus 199 = 792991 minus 200 = 791
991 minus 201 = 790991 minus 202 = 789991 minus 203 = 788991 minus 204 = 787991 minus 205 = 786
991 minus 206 = 785991 minus 207 = 784991 minus 208 = 783991 minus 209 = 782991 minus 210 = 781
991 minus 211 = 780991 minus 212 = 779991 minus 213 = 778991 minus 214 = 777991 minus 215 = 776
991 minus 216 = 775991 minus 217 = 774991 minus 218 = 773991 minus 219 = 772991 minus 220 = 771
991 minus 221 = 770991 minus 222 = 769991 minus 223 = 768991 minus 224 = 767991 minus 225 = 766
991 minus 226 = 765991 minus 227 = 764991 minus 228 = 763991 minus 229 = 762991 minus 230 = 761
991 minus 231 = 760991 minus 232 = 759991 minus 233 = 758991 minus 234 = 757991 minus 235 = 756
991 minus 236 = 755991 minus 237 = 754991 minus 238 = 753991 minus 239 = 752991 minus 240 = 751
991 minus 241 = 750991 minus 242 = 749991 minus 243 = 748991 minus 244 = 747991 minus 245 = 746
991 minus 246 = 745991 minus 247 = 744991 minus 248 = 743991 minus 249 = 742991 minus 250 = 741
991 minus 251 = 740991 minus 252 = 739991 minus 253 = 738991 minus 254 = 737991 minus 255 = 736
991 minus 256 = 735991 minus 257 = 734991 minus 258 = 733991 minus 259 = 732991 minus 260 = 731
991 minus 261 = 730991 minus 262 = 729991 minus 263 = 728991 minus 264 = 727991 minus 265 = 726
991 minus 266 = 725991 minus 267 = 724991 minus 268 = 723991 minus 269 = 722991 minus 270 = 721
991 minus 271 = 720991 minus 272 = 719991 minus 273 = 718991 minus 274 = 717991 minus 275 = 716
991 minus 276 = 715991 minus 277 = 714991 minus 278 = 713991 minus 279 = 712991 minus 280 = 711
991 minus 281 = 710991 minus 282 = 709991 minus 283 = 708991 minus 284 = 707991 minus 285 = 706
991 minus 286 = 705991 minus 287 = 704991 minus 288 = 703991 minus 289 = 702991 minus 290 = 701
991 minus 291 = 700991 minus 292 = 699991 minus 293 = 698991 minus 294 = 697991 minus 295 = 696
991 minus 296 = 695991 minus 297 = 694991 minus 298 = 693991 minus 299 = 692991 minus 300 = 691
991 minus 301 = 690991 minus 302 = 689991 minus 303 = 688991 minus 304 = 687991 minus 305 = 686
991 minus 306 = 685991 minus 307 = 684991 minus 308 = 683991 minus 309 = 682991 minus 310 = 681
991 minus 311 = 680991 minus 312 = 679991 minus 313 = 678991 minus 314 = 677991 minus 315 = 676
991 minus 316 = 675991 minus 317 = 674991 minus 318 = 673991 minus 319 = 672991 minus 320 = 671
991 minus 321 = 670991 minus 322 = 669991 minus 323 = 668991 minus 324 = 667991 minus 325 = 666
991 minus 326 = 665991 minus 327 = 664991 minus 328 = 663991 minus 329 = 662991 minus 330 = 661
991 minus 331 = 660991 minus 332 = 659991 minus 333 = 658991 minus 334 = 657991 minus 335 = 656
991 minus 336 = 655991 minus 337 = 654991 minus 338 = 653991 minus 339 = 652991 minus 340 = 651
991 minus 341 = 650991 minus 342 = 649991 minus 343 = 648991 minus 344 = 647991 minus 345 = 646
991 minus 346 = 645991 minus 347 = 644991 minus 348 = 643991 minus 349 = 642991 minus 350 = 641
991 minus 351 = 640991 minus 352 = 639991 minus 353 = 638991 minus 354 = 637991 minus 355 = 636
991 minus 356 = 635991 minus 357 = 634991 minus 358 = 633991 minus 359 = 632991 minus 360 = 631
991 minus 361 = 630991 minus 362 = 629991 minus 363 = 628991 minus 364 = 627991 minus 365 = 626
991 minus 366 = 625991 minus 367 = 624991 minus 368 = 623991 minus 369 = 622991 minus 370 = 621
991 minus 371 = 620991 minus 372 = 619991 minus 373 = 618991 minus 374 = 617991 minus 375 = 616
991 minus 376 = 615991 minus 377 = 614991 minus 378 = 613991 minus 379 = 612991 minus 380 = 611
991 minus 381 = 610991 minus 382 = 609991 minus 383 = 608991 minus 384 = 607991 minus 385 = 606
991 minus 386 = 605991 minus 387 = 604991 minus 388 = 603991 minus 389 = 602991 minus 390 = 601
991 minus 391 = 600991 minus 392 = 599991 minus 393 = 598991 minus 394 = 597991 minus 395 = 596
991 minus 396 = 595991 minus 397 = 594991 minus 398 = 593991 minus 399 = 592991 minus 400 = 591
991 minus 401 = 590991 minus 402 = 589991 minus 403 = 588991 minus 404 = 587991 minus 405 = 586
991 minus 406 = 585991 minus 407 = 584991 minus 408 = 583991 minus 409 = 582991 minus 410 = 581
991 minus 411 = 580991 minus 412 = 579991 minus 413 = 578991 minus 414 = 577991 minus 415 = 576
991 minus 416 = 575991 minus 417 = 574991 minus 418 = 573991 minus 419 = 572991 minus 420 = 571
991 minus 421 = 570991 minus 422 = 569991 minus 423 = 568991 minus 424 = 567991 minus 425 = 566
991 minus 426 = 565991 minus 427 = 564991 minus 428 = 563991 minus 429 = 562991 minus 430 = 561
991 minus 431 = 560991 minus 432 = 559991 minus 433 = 558991 minus 434 = 557991 minus 435 = 556
991 minus 436 = 555991 minus 437 = 554991 minus 438 = 553991 minus 439 = 552991 minus 440 = 551
991 minus 441 = 550991 minus 442 = 549991 minus 443 = 548991 minus 444 = 547991 minus 445 = 546
991 minus 446 = 545991 minus 447 = 544991 minus 448 = 543991 minus 449 = 542991 minus 450 = 541
991 minus 451 = 540991 minus 452 = 539991 minus 453 = 538991 minus 454 = 537991 minus 455 = 536
991 minus 456 = 535991 minus 457 = 534991 minus 458 = 533991 minus 459 = 532991 minus 460 = 531
991 minus 461 = 530991 minus 462 = 529991 minus 463 = 528991 minus 464 = 527991 minus 465 = 526
991 minus 466 = 525991 minus 467 = 524991 minus 468 = 523991 minus 469 = 522991 minus 470 = 521
991 minus 471 = 520991 minus 472 = 519991 minus 473 = 518991 minus 474 = 517991 minus 475 = 516
991 minus 476 = 515991 minus 477 = 514991 minus 478 = 513991 minus 479 = 512991 minus 480 = 511
991 minus 481 = 510991 minus 482 = 509991 minus 483 = 508991 minus 484 = 507991 minus 485 = 506
991 minus 486 = 505991 minus 487 = 504991 minus 488 = 503991 minus 489 = 502991 minus 490 = 501
991 minus 491 = 500991 minus 492 = 499991 minus 493 = 498991 minus 494 = 497991 minus 495 = 496
991 minus 496 = 495991 minus 497 = 494991 minus 498 = 493991 minus 499 = 492991 minus 500 = 491
991 minus 501 = 490991 minus 502 = 489991 minus 503 = 488991 minus 504 = 487991 minus 505 = 486
991 minus 506 = 485991 minus 507 = 484991 minus 508 = 483991 minus 509 = 482991 minus 510 = 481
991 minus 511 = 480991 minus 512 = 479991 minus 513 = 478991 minus 514 = 477991 minus 515 = 476
991 minus 516 = 475991 minus 517 = 474991 minus 518 = 473991 minus 519 = 472991 minus 520 = 471
991 minus 521 = 470991 minus 522 = 469991 minus 523 = 468991 minus 524 = 467991 minus 525 = 466
991 minus 526 = 465991 minus 527 = 464991 minus 528 = 463991 minus 529 = 462991 minus 530 = 461
991 minus 531 = 460991 minus 532 = 459991 minus 533 = 458991 minus 534 = 457991 minus 535 = 456
991 minus 536 = 455991 minus 537 = 454991 minus 538 = 453991 minus 539 = 452991 minus 540 = 451
991 minus 541 = 450991 minus 542 = 449991 minus 543 = 448991 minus 544 = 447991 minus 545 = 446
991 minus 546 = 445991 minus 547 = 444991 minus 548 = 443991 minus 549 = 442991 minus 550 = 441
991 minus 551 = 440991 minus 552 = 439991 minus 553 = 438991 minus 554 = 437991 minus 555 = 436
991 minus 556 = 435991 minus 557 = 434991 minus 558 = 433991 minus 559 = 432991 minus 560 = 431
991 minus 561 = 430991 minus 562 = 429991 minus 563 = 428991 minus 564 = 427991 minus 565 = 426
991 minus 566 = 425991 minus 567 = 424991 minus 568 = 423991 minus 569 = 422991 minus 570 = 421
991 minus 571 = 420991 minus 572 = 419991 minus 573 = 418991 minus 574 = 417991 minus 575 = 416
991 minus 576 = 415991 minus 577 = 414991 minus 578 = 413991 minus 579 = 412991 minus 580 = 411
991 minus 581 = 410991 minus 582 = 409991 minus 583 = 408991 minus 584 = 407991 minus 585 = 406
991 minus 586 = 405991 minus 587 = 404991 minus 588 = 403991 minus 589 = 402991 minus 590 = 401
991 minus 591 = 400991 minus 592 = 399991 minus 593 = 398991 minus 594 = 397991 minus 595 = 396
991 minus 596 = 395991 minus 597 = 394991 minus 598 = 393991 minus 599 = 392991 minus 600 = 391
991 minus 601 = 390991 minus 602 = 389991 minus 603 = 388991 minus 604 = 387991 minus 605 = 386
991 minus 606 = 385991 minus 607 = 384991 minus 608 = 383991 minus 609 = 382991 minus 610 = 381
991 minus 611 = 380991 minus 612 = 379991 minus 613 = 378991 minus 614 = 377991 minus 615 = 376
991 minus 616 = 375991 minus 617 = 374991 minus 618 = 373991 minus 619 = 372991 minus 620 = 371
991 minus 621 = 370991 minus 622 = 369991 minus 623 = 368991 minus 624 = 367991 minus 625 = 366
991 minus 626 = 365991 minus 627 = 364991 minus 628 = 363991 minus 629 = 362991 minus 630 = 361
991 minus 631 = 360991 minus 632 = 359991 minus 633 = 358991 minus 634 = 357991 minus 635 = 356
991 minus 636 = 355991 minus 637 = 354991 minus 638 = 353991 minus 639 = 352991 minus 640 = 351
991 minus 641 = 350991 minus 642 = 349991 minus 643 = 348991 minus 644 = 347991 minus 645 = 346
991 minus 646 = 345991 minus 647 = 344991 minus 648 = 343991 minus 649 = 342991 minus 650 = 341
991 minus 651 = 340991 minus 652 = 339991 minus 653 = 338991 minus 654 = 337991 minus 655 = 336
991 minus 656 = 335991 minus 657 = 334991 minus 658 = 333991 minus 659 = 332991 minus 660 = 331
991 minus 661 = 330991 minus 662 = 329991 minus 663 = 328991 minus 664 = 327991 minus 665 = 326
991 minus 666 = 325991 minus 667 = 324991 minus 668 = 323991 minus 669 = 322991 minus 670 = 321
991 minus 671 = 320991 minus 672 = 319991 minus 673 = 318991 minus 674 = 317991 minus 675 = 316
991 minus 676 = 315991 minus 677 = 314991 minus 678 = 313991 minus 679 = 312991 minus 680 = 311
991 minus 681 = 310991 minus 682 = 309991 minus 683 = 308991 minus 684 = 307991 minus 685 = 306
991 minus 686 = 305991 minus 687 = 304991 minus 688 = 303991 minus 689 = 302991 minus 690 = 301
991 minus 691 = 300991 minus 692 = 299991 minus 693 = 298991 minus 694 = 297991 minus 695 = 296
991 minus 696 = 295991 minus 697 = 294991 minus 698 = 293991 minus 699 = 292991 minus 700 = 291
991 minus 701 = 290991 minus 702 = 289991 minus 703 = 288991 minus 704 = 287991 minus 705 = 286
991 minus 706 = 285991 minus 707 = 284991 minus 708 = 283991 minus 709 = 282991 minus 710 = 281
991 minus 711 = 280991 minus 712 = 279991 minus 713 = 278991 minus 714 = 277991 minus 715 = 276
991 minus 716 = 275991 minus 717 = 274991 minus 718 = 273991 minus 719 = 272991 minus 720 = 271
991 minus 721 = 270991 minus 722 = 269991 minus 723 = 268991 minus 724 = 267991 minus 725 = 266
991 minus 726 = 265991 minus 727 = 264991 minus 728 = 263991 minus 729 = 262991 minus 730 = 261
991 minus 731 = 260991 minus 732 = 259991 minus 733 = 258991 minus 734 = 257991 minus 735 = 256
991 minus 736 = 255991 minus 737 = 254991 minus 738 = 253991 minus 739 = 252991 minus 740 = 251
991 minus 741 = 250991 minus 742 = 249991 minus 743 = 248991 minus 744 = 247991 minus 745 = 246
991 minus 746 = 245991 minus 747 = 244991 minus 748 = 243991 minus 749 = 242991 minus 750 = 241
991 minus 751 = 240991 minus 752 = 239991 minus 753 = 238991 minus 754 = 237991 minus 755 = 236
991 minus 756 = 235991 minus 757 = 234991 minus 758 = 233991 minus 759 = 232991 minus 760 = 231
991 minus 761 = 230991 minus 762 = 229991 minus 763 = 228991 minus 764 = 227991 minus 765 = 226
991 minus 766 = 225991 minus 767 = 224991 minus 768 = 223991 minus 769 = 222991 minus 770 = 221
991 minus 771 = 220991 minus 772 = 219991 minus 773 = 218991 minus 774 = 217991 minus 775 = 216
991 minus 776 = 215991 minus 777 = 214991 minus 778 = 213991 minus 779 = 212991 minus 780 = 211
991 minus 781 = 210991 minus 782 = 209991 minus 783 = 208991 minus 784 = 207991 minus 785 = 206
991 minus 786 = 205991 minus 787 = 204991 minus 788 = 203991 minus 789 = 202991 minus 790 = 201
991 minus 791 = 200991 minus 792 = 199991 minus 793 = 198991 minus 794 = 197991 minus 795 = 196
991 minus 796 = 195991 minus 797 = 194991 minus 798 = 193991 minus 799 = 192991 minus 800 = 191
991 minus 801 = 190991 minus 802 = 189991 minus 803 = 188991 minus 804 = 187991 minus 805 = 186
991 minus 806 = 185991 minus 807 = 184991 minus 808 = 183991 minus 809 = 182991 minus 810 = 181
991 minus 811 = 180991 minus 812 = 179991 minus 813 = 178991 minus 814 = 177991 minus 815 = 176
991 minus 816 = 175991 minus 817 = 174991 minus 818 = 173991 minus 819 = 172991 minus 820 = 171
991 minus 821 = 170991 minus 822 = 169991 minus 823 = 168991 minus 824 = 167991 minus 825 = 166
991 minus 826 = 165991 minus 827 = 164991 minus 828 = 163991 minus 829 = 162991 minus 830 = 161
991 minus 831 = 160991 minus 832 = 159991 minus 833 = 158991 minus 834 = 157991 minus 835 = 156
991 minus 836 = 155991 minus 837 = 154991 minus 838 = 153991 minus 839 = 152991 minus 840 = 151
991 minus 841 = 150991 minus 842 = 149991 minus 843 = 148991 minus 844 = 147991 minus 845 = 146
991 minus 846 = 145991 minus 847 = 144991 minus 848 = 143991 minus 849 = 142991 minus 850 = 141
991 minus 851 = 140991 minus 852 = 139991 minus 853 = 138991 minus 854 = 137991 minus 855 = 136
991 minus 856 = 135991 minus 857 = 134991 minus 858 = 133991 minus 859 = 132991 minus 860 = 131
991 minus 861 = 130991 minus 862 = 129991 minus 863 = 128991 minus 864 = 127991 minus 865 = 126
991 minus 866 = 125991 minus 867 = 124991 minus 868 = 123991 minus 869 = 122991 minus 870 = 121
991 minus 871 = 120991 minus 872 = 119991 minus 873 = 118991 minus 874 = 117991 minus 875 = 116
991 minus 876 = 115991 minus 877 = 114991 minus 878 = 113991 minus 879 = 112991 minus 880 = 111
991 minus 881 = 110991 minus 882 = 109991 minus 883 = 108991 minus 884 = 107991 minus 885 = 106
991 minus 886 = 105991 minus 887 = 104991 minus 888 = 103991 minus 889 = 102991 minus 890 = 101
991 minus 891 = 100991 minus 892 = 99991 minus 893 = 98991 minus 894 = 97991 minus 895 = 96
991 minus 896 = 95991 minus 897 = 94991 minus 898 = 93991 minus 899 = 92991 minus 900 = 91
991 minus 901 = 90991 minus 902 = 89991 minus 903 = 88991 minus 904 = 87991 minus 905 = 86
991 minus 906 = 85991 minus 907 = 84991 minus 908 = 83991 minus 909 = 82991 minus 910 = 81
991 minus 911 = 80991 minus 912 = 79991 minus 913 = 78991 minus 914 = 77991 minus 915 = 76
991 minus 916 = 75991 minus 917 = 74991 minus 918 = 73991 minus 919 = 72991 minus 920 = 71
991 minus 921 = 70991 minus 922 = 69991 minus 923 = 68991 minus 924 = 67991 minus 925 = 66
991 minus 926 = 65991 minus 927 = 64991 minus 928 = 63991 minus 929 = 62991 minus 930 = 61
991 minus 931 = 60991 minus 932 = 59991 minus 933 = 58991 minus 934 = 57991 minus 935 = 56
991 minus 936 = 55991 minus 937 = 54991 minus 938 = 53991 minus 939 = 52991 minus 940 = 51
991 minus 941 = 50991 minus 942 = 49991 minus 943 = 48991 minus 944 = 47991 minus 945 = 46
991 minus 946 = 45991 minus 947 = 44991 minus 948 = 43991 minus 949 = 42991 minus 950 = 41
991 minus 951 = 40991 minus 952 = 39991 minus 953 = 38991 minus 954 = 37991 minus 955 = 36
991 minus 956 = 35991 minus 957 = 34991 minus 958 = 33991 minus 959 = 32991 minus 960 = 31
991 minus 961 = 30991 minus 962 = 29991 minus 963 = 28991 minus 964 = 27991 minus 965 = 26
991 minus 966 = 25991 minus 967 = 24991 minus 968 = 23991 minus 969 = 22991 minus 970 = 21
991 minus 971 = 20991 minus 972 = 19991 minus 973 = 18991 minus 974 = 17991 minus 975 = 16
991 minus 976 = 15991 minus 977 = 14991 minus 978 = 13991 minus 979 = 12991 minus 980 = 11
991 minus 981 = 10991 minus 982 = 9991 minus 983 = 8991 minus 984 = 7991 minus 985 = 6
991 minus 986 = 5991 minus 987 = 4991 minus 988 = 3991 minus 989 = 2991 minus 990 = 1
991 minus 991 = 0991 minus 992 = -1991 minus 993 = -2991 minus 994 = -3991 minus 995 = -4
991 minus 996 = -5991 minus 997 = -6991 minus 998 = -7991 minus 999 = -8991 minus 1000 = -9