4分之3×8分之3 0点七五 百分之62点5×百分之75简便计算
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原式
=3/4x3/8+0.75+62.5%x75%
=0.75x0.375+0.75+0.625x0.75
=0.75x(0.375+0.625)+0.75
=0.75x1+0.75
=0.75+0.75
=1.5
或者
=3/4x3/8+0.75+62.5%x75%
=0.75x0.375+0.75+0.625x0.75
=0.75x(0.375+1+0.625)
=0.75x2
=1.5
供参考。
=3/4x3/8+0.75+62.5%x75%
=0.75x0.375+0.75+0.625x0.75
=0.75x(0.375+0.625)+0.75
=0.75x1+0.75
=0.75+0.75
=1.5
或者
=3/4x3/8+0.75+62.5%x75%
=0.75x0.375+0.75+0.625x0.75
=0.75x(0.375+1+0.625)
=0.75x2
=1.5
供参考。
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