作业帮0.75*5.125+5.875*75%+0.75简算
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0.75*5.125+5.875*75%+0.75简算
0.75*5.125+5.875*75%+0.75简算
0.75*5.125+5.875*75%+0.75简算
0.75*5.125+5.875*75%+0.75
=0.75*5.125+5.875*0.75+1*0.75
=0.75*(5.125+5.875+1)
=0.75*12
=0.25*3*4*3
=(0.25*4)*(3*3)
=1*9
=9
0.75*5.125+5.875*75%+0.75
=0.75*5.125+5.875*0.75+0.75
=0.75(5.125+5.875+1)
=0.75*12
=9