x=10/11-2/3x=(30-22)/33x=8/33
(10/11)x= 2/3x =(2/3)*(11/10)x=11/15
33分之8
通分，30/33-x=22/33 x=（30-22）/33=8/33
x=10/11-2/3=30/33-22/33=8/33
