1、 1 / 10 乘法 练习 1461 2 = 2351 4 = 1764 7 = 4 2 6 2 5 = 2 3 7 8 2 = 1247 3 = 462 1 5 = 2243 6 = 282 5 3 = 4 7 2 1 4 = 2341 6 = 1523 2 = 2463 4 = 1824 7 = 3 2 2 2 4 = 2453 6 = 6592 3 = 2864 5 = 3475 6 = 7 2 4 2 5 = 2 / 10 3581 4 = 281 3 5 = 351 4 6 = 1286 5 = 1 5 7 2 4 = 1873 2 = 2 185 6 = 2562 7 = 1364
2、 8 = 4 3 2 4 5 = 2305 0 = 3606 0 = 4204 5 = 6803 2 = 1 8 0 5 1 = 4155 6 = 471 3 5 = 822 5 6 = 3802 4 = 5 4 0 1 8 = 3 / 10 6301 8 = 6401 2 = 4092 3 = 7082 5 = 3 6 0 4 0 = 4607 0 = 852 7 0 = 5805 4 = 6 0 9 2 4 = 8 0 6 3 5 = 1 4 2 3 6 = 5 1 6 2 4 = 3 5 9 2 1 = 2 7 0 4 0 = 3 9 0 3 6 = 6 0 3 2 0 = 2 7 0
3、4 0 = 4 0 7 5 2 = 2 9 4 8 0 = 8 0 5 9 0 = 4 / 10 7 4 3 1 7 = 4 6 7 1 7 = 1 6 5 5 8 = 5 3 0 6 0 = 4 9 7 6 0 = 1 6 0 3 2 = 6 0 8 6 8 = 5 5 6 8 2 = 2 1 8 3 6 = 5 6 0 5 6 = 2 5 6 1 4 = 3 1 7 2 8 = 3 4 8 2 7 = 2 5 6 2 6 = 7 2 2 5 2 = 9 0 8 6 0 = 4 0 6 1 5 = 1 7 0 6 0 = 9 0 1 4 0 = 2 3 6 6 1 = 5 / 10 2 9
4、5 1 8 = 2 0 9 3 5 = 1 3 5 4 8 = 3 6 5 0 4 = 4 0 7 6 0 = 4 8 2 0 9 = 8 3 6 1 2 = 3 8 8 0 0 = 7 0 9 2 7 = 2 7 0 6 2 = 5 2 5 2 8 = 1 8 3 9 0 = 5 8 0 4 0 = 3 5 8 6 0 = 7 5 0 7 5 0 = 8 0 4 7 5 = 1 2 0 2 5 0 = 1 0 8 6 5 = 6 0 9 3 8 = 7 8 3 1 5 = 6 / 10 除法 练习 9 2 3 0 = 8 5 2 0 = 1 6 0 4 0 = 2 8 0 5 0 = 1 8
5、 0 2 0 = 420 7 0 = 1 0 2 3 0 = 3 8 0 7 0 = 9 8 2 0 = 1 9 7 8 0 = 3 6 4 4 0 = 3 4 0 8 0 = 5 0 0 8 0 = 2 7 3 3 0 = 5 6 4 9 0 = 5 5 1 0 = 6 9 2 0 = 1 8 3 3 0 = 8 9 8 0 = 1 0 0 2 0 = 7 / 10 5 6 7 7 0 = 2 5 6 3 0 = 4 7 0 8 0 = 2 6 4 4 0 = 1 8 7 5 0 = 1 5 2 3 0 = 4 2 7 7 0 = 4 5 5 9 0 = 2 5 2 6 0 = 7 4 0
6、8 0 = 6 5 0 9 0 = 8 2 0 9 0 = 3 6 1 4 0 = 1 9 6 3 6 = 9 6 3 2 = 2 4 5 7 2 = 1 8 5 3 7 = 2 7 2 6 8 = 2 4 0 2 6 = 2 0 0 2 5 = 8 / 10 1 2 8 4 0 = 1 0 4 2 6 = 3 2 4 8 1 = 1 9 0 2 9 = 1 6 5 7 0 = 2 0 4 4 3 = 4 4 4 7 4 = 6 3 8 7 2 = 1 2 1 1 7 = 2 0 0 2 8 = 8 4 2 8 = 4 0 1 5 8 = 3 4 2 5 7 = 6 2 0 5 8 = 3 3
7、 6 4 8 = 4 3 0 5 2 = 1 8 8 3 8 = 6 4 9 8 8 = 1 9 5 3 8 = 3 1 6 5 3 = 9 / 10 4 0 4 4 2 = 2 0 7 2 2 = 3 1 2 3 9 = 1 8 3 1 7 = 1 5 2 1 7 = 5 7 6 1 8 = 9 3 0 3 1 = 3 7 0 3 9 = 7 6 2 6 3 = 7 0 0 1 6 = 2 8 0 4 0 = 1 0 5 1 5 = 2 5 8 3 6 = 2 7 3 5 5 = 4 1 6 5 4 = 4 4 1 6 3 = 2 9 0 5 8 = 6 0 0 5 8 = 3 2 5 4 4 = 3 2 7 6 8 4 = 10 / 10 9 3 1 4 5 = 7 9 7 6 9 = 7 7 9 5 3 = 2 0 7 1 3 = 3 2 9 4 8 = 3723 4 = 5 4 3 4 1 = 2 4 6 3 5 = 4 5 1 2 9 = 4 8 0 2 4 = 7 8 0 6 0 = 2 8 8 3 6 = 6 3 2 4 7 = 6 2 5 3 1 = 9 8 2 4 8 = 7 2 0 6 1 = 8 0 0 5 2 = 2 0 0 0 2 5 = 7 7 0 11 = 6 7 2 3 2 =