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20.22×101-20.2的简便运算是什么?
2022-10-30 · 知道合伙人教育行家
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20.22×101-20.2的简便运算过程如下:
20.22×101-20.2
=20.22×(100+1)-20.2
=20.22×100+20.22×1-20.2
=2022+20.22-20.2
=2022+(20.22-20.2)
=2022+0.02
=2022.02
20.22×101-20.2
=20.22×(100+1)-20.2
=20.22×100+20.22×1-20.2
=2022+20.22-20.2
=2022+(20.22-20.2)
=2022+0.02
=2022.02
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