Question

BÀI 1 : Tính 1/6 ÷ -2/9 = 1/3 . -2/3 - 1/2 = 9/5 . 5/27 + 1 =

Answer 1

`1/6:(-2/9)=1/6 . (-9/2)=-3/4`

`1/3 .(-2/3)-1/2=-2/9-1/2=-4/18-9/18=-13/18`

`9/5 . 5/27+1=1/3+1=1/3+3/3=4/3`

Answer 2

1/6: -2/9=1/3. -2/3 -1/2=9/5. 5/27 +1

=-3/4 = -13/18= 4/3=??????