7.5×6.4 0.75×8.2 简便方法怎么算?
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关于7.5×6.4+0.75×8.2的简便方法,详细的操作如下:
7.5×6.4+0.75×8.2
=0.75×64+0.75×8.2
=0.75×(64+8.2)
=0.75×72.2
=54.15
7.5×6.4+0.75×8.2
=0.75×64+0.75×8.2
=0.75×(64+8.2)
=0.75×72.2
=54.15
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