2.73-0.69×2.73的简便运算怎么算?

2024-12-11 15:44:25
推荐回答(1个)
回答1:

2.73-0.69×2.73
=2.73×(1-0.69)
=2.73×0.31
=2.73×(0.3+0.01)
=0.819+0.0273
=0.8463
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