1) (1/12+1/6):(3/8-1/4) 2) (1-4/9):(1/3-1/4) 3) (1/3-5/16):(1/6-1/8) 4)...

Question

1) (1/12+1/6):(3/8-1/4)
2) (1-4/9):(1/3-1/4)
3) (1/3-5/16):(1/6-1/8)
4) (5/7-2/3):(4/9-5/12)

Answer 1

1.34/12
2.61/13
3.11/2
4.63/1

Comments

ничего не понятно

Answer 2

1) 2
2)20/3
3)0,5
4)36/21