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三位数乘两位数20 965 × 19 = 408 × 49 = 312 × 73 = 347 × 19 = 604 × 11 = 332 × 50 = 520 × 83 = 600 × 91 = 482 × 39 = 255 × 51 = 489 × 57 = 194 × 21 = 120 × 31 = 178 × 52 = 697 × 67 = 447 × 93 = 658 × 23 = 101 × 54 = 904 × 77 = 939 × 23 =三位数乘两位数20 答案 18335 19992 22776 6593 6644 16600 43160 54600 18798 13005 27873 4074 3720 9256 46699 41571 15134 5454 69608 21597
