-3/4*(8-1又1/3-0.04)

问题描述:

-3/4*(8-1又1/3-0.04)

原式=
-3/4 × (8-4/3-1/25)
=-3/4×8 + 3/4× 4/3 + 3/4 × 1/25
= -6 +1 + 3/100
=-5 + 0.03
=-4.97