300×(1+3.75%×2) 0.25×+25%×
[20-(0.4+1)]×50% 5.6×+0.75+3.4×75%
÷8=
20×75%=
×=
-=
1.8÷0.18=
0.8÷=
74%-63%=
÷25%=
0.125×64×0.25 ×101-0.75 ×33+87.5%+0.875