7.2+2.8/0.125简算

问题描述:

7.2+2.8/0.125简算

10/(1/8)=10*8=80

原式=72/10+2800/125
=36/5+112/5
=148/5
=296/10
=29.6

29.6

7.2+2.8/0.125
=7.2+2.8×8
=7.2+22.4
=29.6

7.2+2.8/0.125
=7.2+2.8×8/(0.125×8)
=7.2+22.4
=29.6