总述:本次共解2题。其中
☆整数计算2题
〖1/2整数列竖式计算〗
题型:整数乘法
原题:12345679012345679012345679012345679×81 解:
12345679012345679012345679012345679×81 =
999999999999999999999999999999999999 列竖式计算:
| | | | | | | | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 9 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 9 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 9 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 9 |
| ✖ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 8 | 1 |
|
| | | | | | | | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 9 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 9 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 9 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 9 |
| | | | | | | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 0 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 0 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 0 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | |
|
| | | | | | | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
〖2/2整数列竖式计算〗
题型:整数乘法
原题:24691358024691358024691358024691358×81 解:
24691358024691358024691358024691358×81 =
1999999999999999999999999999999999998 列竖式计算:
| | | | | | | | 2 | 4 | 6 | 9 | 1 | 3 | 5 | 8 | 0 | 2 | 4 | 6 | 9 | 1 | 3 | 5 | 8 | 0 | 2 | 4 | 6 | 9 | 1 | 3 | 5 | 8 | 0 | 2 | 4 | 6 | 9 | 1 | 3 | 5 | 8 |
| ✖ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 8 | 1 |
|
| | | | | | | | 2 | 4 | 6 | 9 | 1 | 3 | 5 | 8 | 0 | 2 | 4 | 6 | 9 | 1 | 3 | 5 | 8 | 0 | 2 | 4 | 6 | 9 | 1 | 3 | 5 | 8 | 0 | 2 | 4 | 6 | 9 | 1 | 3 | 5 | 8 |
| | | | | | 1 | 9 | 7 | 5 | 3 | 0 | 8 | 6 | 4 | 1 | 9 | 7 | 5 | 3 | 0 | 8 | 6 | 4 | 1 | 9 | 7 | 5 | 3 | 0 | 8 | 6 | 4 | 1 | 9 | 7 | 5 | 3 | 0 | 8 | 6 | 4 | |
|
| | | | | | 1 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 |
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