Question

1122. Прошу помогите.

Answer 1

(1/12+1/6):(3/8-1/4)=(1/12+2/12):(3/8-2/8)=3/12:1/8=1/4*8/1=2
(1-4/9):(1/3-1/4)=(9/9-4/9):(4/12-3/12)=5/9:1/12=5/9*12/1=20/3=6 2/3
(1/3-5/16):(1/6-1/8)=(16/48-15/48):(8/48-6/48)=1/48:2/48=1/48*48/2=1/2

Answer 2

сори бежать надо, последний сам как-нибудь

Answer 3

(5/7-2/3):(4/9-5/12)=(15/21-14/21):(16/36-15/36)=1/21:1/36=1/21*36/1=12/7=1 5/7