1道简算题75%乘以1.375+5.625乘以75%+0.75

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1道简算题75%乘以1.375+5.625乘以75%+0.75
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1道简算题75%乘以1.375+5.625乘以75%+0.75
1道简算题
75%乘以1.375+5.625乘以75%+0.75

1道简算题75%乘以1.375+5.625乘以75%+0.75
0.75*(1.375+5.625+1)
=0.75*8
=3/4*8
=6