题目内容
| 238×26= | 507×45= | 830×42= | 680×90= |
| 42×520= | 523×34= | 25×408= | 450×16= |
238×26=6188
507×45=22815
830×42=34860
680×90=61200
42×520=21840
523×34=17782
25×408=10200
450×16=7200
|
| . |
| 1428 |
| 476 |
| 6188 |
507×45=22815
|
| . |
| 2535 |
| 2028 |
| 22815 |
830×42=34860
|
| . |
| 1660 |
| 332 |
| 34860 |
680×90=61200
|
| . |
| 61200 |
42×520=21840
|
| . |
| 1040 |
| 208 |
| 21840 |
523×34=17782
|
| . |
| 2092 |
| 1569 |
| 17782 |
25×408=10200
|
| . |
| 2040 |
| 816 |
| 10200 |
450×16=7200
|
| . |
| 2700 |
| 45 |
| 7200 |
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