题目内容
| 笔算下面各题. 221×16= | 307×26= | 183×15= | 135×24= |
| 58×912= | 408×25= | 315×47= | 508×15= |
| 236×43= | 208×56= | 720×42= | 480×50= |
| 221×16=3536 | 307×26=7982 | 183×15=2745 | 135×24=3240 |
| 58×912=52896 | 408×25=10200 | 315×47=14805 | 508×15=7620 |
| 236×43=10148 | 208×56=11648 | 720×42=30240 | 480×50=24000 |
52896,10200,14805,7620;
10148,11648,30240,24000.
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