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8.8×2.5简便计算？

2025-04-02 07:36:55

推荐回答（4个）

回答1：

简便运算如下：
8.8×2.5
＝2.2×4×2.5
＝2.2×(4×2.5)
＝……（剩下的自己计算啦）

回答2：

简便计算如下，望采纳
8.8×2.5
=8×2.5+0.8×2.5
=20+2
=22

回答3：

1.2×2.5
=0.3×4×2.5
=0.3×10
=3
8.8×25
=2.2×4×25
=2.2×100
=220

1.2*2.5+8.8*2.5
更好做
=（1.2+8.8）×2.5
=10×2.5
=25

回答4：

原式=4*2.5*2.2
=10*2.2
=22

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