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25×7×8简便计算？

2025-03-15 14:41:22

推荐回答（3个）

回答1：

25×7×8
=25×8×7
=25×4×2×7
=（25×4）×（2×7）
=100×14
=1400

回答2：

用25仙称8.28再乘7=1400，根据的是乘法的结合律

回答3：

25×（7+8）
=25×8×7
=200×7
=1400

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