Question

д) (1/4+1/6):10 е) (5/6-1/4):7

Answer 1

(1/4 + 1/6) : 10 = ((3+2)/12) : 10 = 5/12 : 10/1 = 5/12 * 1/10 = 1/24
(5/6 - 1/4) : 7 = ((10-3)/12) : 7 = 7/12 : 7/1 = 7/12 * 1/7 = 1/12

Answer 2

пожалуйста