100道三位數乘以一位數的算式如下：共分10組，每組10道1、第一組100 × 1 = 100 101 × 2 = 202 102 × 3 = 306 103 × 4 = 412 104 × 5 = 520 105 × 6 = 630 106 × 7 = 742 107 × 8 = 856 108 × 9 = 972 109 × 8 = 872 2、第二組210 × 1 = 210 211 × 2 = 422 212 × 3 = 636 213 × 4 = 852 214 × 5 = 1070 215 × 6 = 1290 216 × 7 = 1512 217 × 8 = 1736 218 × 9 = 1962 219 × 8 = 1752 3、第三組320 × 1 = 320 321 × 2 = 642 322 × 3 = 966 323 × 4 = 1292 324 × 5 = 1620 325 × 6 = 1950 326 × 7 = 2282 327 × 8 = 2616 328 × 9 = 2952 329 × 8 = 2632 4、第四組430 × 1 = 430 431 × 2 = 862 432 × 3 = 1296 433 × 4 = 1732 434 × 5 = 2170 435 × 6 = 2610 436 × 7 = 3052 437 × 8 = 3496 438 × 9 = 3942 439 × 8 = 3512 5、第五組540 × 1 = 540 541 × 2 = 1082 542 × 3 = 1626 543 × 4 = 2172 544 × 5 = 2720 545 × 6 = 3270 546 × 7 = 3822 547 × 8 = 4376 548 × 9 = 4932 549 × 8 = 4392 6、第六組650 × 1 = 650 651 × 2 = 1302 652 × 3 = 1956 653 × 4 = 2612 654 × 5 = 3270 655 × 6 = 3930 656 × 7 = 4592 657 × 8 = 5256 658 × 9 = 5922 659 × 8 = 5272 7、第七組760 × 1 = 760 761 × 2 = 1522 762 × 3 = 2286 763 × 4 = 3052 764 × 5 = 3820 765 × 6 = 4590 766 × 7 = 5362 767 × 8 = 6136 768 × 9 = 6912 769 × 8 = 6152 8、第八組870 × 1 = 870 871 × 2 = 1742 872 × 3 = 2616 873 × 4 = 3492 874 × 5 = 4370 875 × 6 = 5250 876 × 7 = 6132 877 × 8 = 7016 878 × 9 = 7902 879 × 8 = 7032 9、第九組980 × 1 = 980 981 × 2 = 1962 982 × 3 = 2946 983 × 4 = 3932 984 × 5 = 4920 985 × 6 = 5910 986 × 7 = 6902 987 × 8 = 7896 988 × 9 = 8892 989 × 8 = 7912 10、第十組990 × 1 = 990 991 × 2 = 1982 992 × 3 = 2976 993 × 4 = 3972 994 × 5 = 4970 995 × 6 = 5970 996 × 7 = 6972 997 × 8 = 7976 998 × 9 = 8982 999 × 8 = 7992
100道三位數乘以一位數的算式如下：共分10組，每組10道1、第一組100 × 1 = 100 101 × 2 = 202 102 × 3 = 306 103 × 4 = 412 104 × 5 = 520 105 × 6 = 630 106 × 7 = 742 107 × 8 = 856 108 × 9 = 972 109 × 8 = 872 2、第二組210 × 1 = 210 211 × 2 = 422 212 × 3 = 636 213 × 4 = 852 214 × 5 = 1070 215 × 6 = 1290 216 × 7 = 1512 217 × 8 = 1736 218 × 9 = 1962 219 × 8 = 1752 3、第三組320 × 1 = 320 321 × 2 = 642 322 × 3 = 966 323 × 4 = 1292 324 × 5 = 1620 325 × 6 = 1950 326 × 7 = 2282 327 × 8 = 2616 328 × 9 = 2952 329 × 8 = 2632 4、第四組430 × 1 = 430 431 × 2 = 862 432 × 3 = 1296 433 × 4 = 1732 434 × 5 = 2170 435 × 6 = 2610 436 × 7 = 3052 437 × 8 = 3496 438 × 9 = 3942 439 × 8 = 3512 5、第五組540 × 1 = 540 541 × 2 = 1082 542 × 3 = 1626 543 × 4 = 2172 544 × 5 = 2720 545 × 6 = 3270 546 × 7 = 3822 547 × 8 = 4376 548 × 9 = 4932 549 × 8 = 4392 6、第六組650 × 1 = 650 651 × 2 = 1302 652 × 3 = 1956 653 × 4 = 2612 654 × 5 = 3270 655 × 6 = 3930 656 × 7 = 4592 657 × 8 = 5256 658 × 9 = 5922 659 × 8 = 5272 7、第七組760 × 1 = 760 761 × 2 = 1522 762 × 3 = 2286 763 × 4 = 3052 764 × 5 = 3820 765 × 6 = 4590 766 × 7 = 5362 767 × 8 = 6136 768 × 9 = 6912 769 × 8 = 6152 8、第八組870 × 1 = 870 871 × 2 = 1742 872 × 3 = 2616 873 × 4 = 3492 874 × 5 = 4370 875 × 6 = 5250 876 × 7 = 6132 877 × 8 = 7016 878 × 9 = 7902 879 × 8 = 7032 9、第九組980 × 1 = 980 981 × 2 = 1962 982 × 3 = 2946 983 × 4 = 3932 984 × 5 = 4920 985 × 6 = 5910 986 × 7 = 6902 987 × 8 = 7896 988 × 9 = 8892 989 × 8 = 7912 10、第十組990 × 1 = 990 991 × 2 = 1982 992 × 3 = 2976 993 × 4 = 3972 994 × 5 = 4970 995 × 6 = 5970 996 × 7 = 6972 997 × 8 = 7976 998 × 9 = 8982 999 × 8 = 7992