5.5×0.375+8分之3×5.4-37.5%×0.9

问题描述:

5.5×0.375+8分之3×5.4-37.5%×0.9

5.5×0.375+8分之3×5.4-37.5%×0.9
=3/8×(5.5+5.4-0.9)
=3/8×10
=3.75