0.755.125+5.87575%+0.75简算

分类: 作业答案 • 2022-01-09 18:04:57

问题描述：

0.75*5.125+5.875*75%+0.75简算

答

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简算