题目内容
列竖式计算,带*号的要验算.
| 506×5= | 48÷5= | 784×6= |
| *510-408= | *259+348= |
①506×5=2530;

②48÷5=9…3;

③784×6=4704;

④510-408=102;

⑤259+348=607.

②48÷5=9…3;
③784×6=4704;
④510-408=102;
⑤259+348=607.
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