两、三位数乘一位数练习题48 X434 998 X3 6 X115412 X5 456 X6 432 X36 X575 8 X515 43 X7459 X4 9 X729 2 X203370 X8 8X322 209 X175 X2 178 X8 448 X7244 X4 696 X6 46 X7177 X2 200 X6 51 X6参考答案3472 2994 6902060 2736 12963450 4120 3011836 6561 4062960 2576 209 150 1424 3136976 4176 322 354 1200 306