1.282.37-2.80.237 这道题怎样简便算?

zjf3082022-10-04 11:39:542条回答

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maxs130 共回答了23个问题 | 采纳率91.3%: 原式=1.28*2.37-2.8/10*10*0.237=1.28*2.37-0.28*2.37=(1.28-0.28)*2.37=2.37; 1年前

Acetone 共回答了368个问题 | 采纳率: 1.28*2.37-2.8*0.237
=1*2.37+0.28*2.37-2.8*0.237
=2.37+2.8*0.237-2.8*0.237
=2.37; 1年前

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