6/1乘以百分之60+8/1乘以百分之40

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6/1乘以百分之60+8/1乘以百分之40
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6/1乘以百分之60+8/1乘以百分之40
6/1乘以百分之60+8/1乘以百分之40

6/1乘以百分之60+8/1乘以百分之40
没有简便方法
6/1乘以百分之60+8/1乘以百分之40
=3.6+3.2
=6.8
还是
60%×1/6+40%×1/8
=10%+5%
=15%
=0.15

60%×1/6+40%×1/8
=10%+5%
=15%
=0.15

1/6x60%+1/8x40%
=1/6x0.6+1/8x0.4
=0.1+0.05
=0.15