62.2-(62.2-40)简便运算

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62.2-(62.2-40)简便运算62.2-(62.2-40)简便运算62.2-(62.2-40)简便运算62.2-(62.2-40)=62.2-62.2+40=0+40=4062.2-(62.2-

62.2-(62.2-40)简便运算
62.2-(62.2-40)简便运算

62.2-(62.2-40)简便运算
62.2-(62.2-40)
=62.2-62.2+40
=0+40
=40

62.2-(62.2-40)=62.2-62.2+40=40

62.2-(62.2-40)
=62.2-62.2+40
=0+40
=40

62.2-(62.2-40)=62.2-62.2+40=40