简单的脱式计算9.5x3/4+1/2x75%

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简单的脱式计算9.5x3/4+1/2x75%
简单的脱式计算
9.5x3/4+1/2x75%

简单的脱式计算9.5x3/4+1/2x75%
9.5x3/4+1/2x75%
=9.5*0.75+0.5*0.75
=（9.5+0.5）*0.75
=10*0.75
=7.5

=19/2x3/4+1/2x3/4
=（19/2+1/2）x3/4
=10x3/4
=7。5