
用简便方法计算:7.4+(5.96-3.86)?
1个回答
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用简便方法计算:7.4+(5.96-3.86)的详情如下:
7.4+(5.96-3.86)
=7.4+5+0.96-3-0.86
=7.4+5-3+0.96-0.86
=7.4+2-0.1
=9.4-0.1
=9.3
7.4+(5.96-3.86)
=7.4+5+0.96-3-0.86
=7.4+5-3+0.96-0.86
=7.4+2-0.1
=9.4-0.1
=9.3
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