Question

8分之1/4+8分之7*4分之1 怎么算和3分之1x+4分之3等于5和9分之4x+3分之1x等于7

Answer 1

1/8=1/8*(4/4)=4/32;

7/8*(1/4)=7/32;

4/32+7/32=11/32;

5-3/4=17/4;

(17/4)/(1/3)=51/4;

1/3=3/9;

4/9+3/9=7/9;

7/(7/9)=9