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Topic:
多位数运算
计算乘积:234 × 6。
1,404
1,344
1,204
1,504
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1,404
求 7,200 − 1,687 的差。
5,513
5,617
5,5130
6,013
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5,513
计算和:4,286 + 3,759。
8,045
7,945
8,044
8,154
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8,045