3/8 / 7/12+3целых1/7*3/11
1) 3/8 : 7/12 = 9/14 2) 3 1/7 • 3/11 = 22/7 • 3/11 = 6/7 = 12/14 3) 9/14 + 12/14 = 21/14 = 3/2 = 1,5 Ответ 1,5