-0.75x(-2分之3)除以(-4分之9)x(-2)=-3/4*-3/2除以9/2=9/8*2/9=1/4
原式=3/4×3/2÷9/4×2 =1
等于9分之1
-0.75x(-2分之3)除以(-4分之9)x(-2) =8/9