Question

помогите решить......​

Answer 1

а) 1/120 + 4/15 = 1/120 + 32/120 = 33/120 = 11/40

б) 5 3/8 + 4 5/6 = 5 9/24 + 4 20/24 = 10 5/24

в) 5 4/9 - 1 2/3 = 5 4/9 - 1 6/9= 3 7/9

г) 7 3/5 - (1 2/9 + 2 3/5) = 7 3/5 - 2 3/5 + 1 2/9 = 5 + 1 2/9 = 6 2/9

д) 8/35 * 49/64 = 7/40

е) 10 4/5 * 4 3/8 =  47 1/4

ж) 15/22 : 10/77 = 4/21

з) 4 6/7 : 3 9/14 = 1 1/3

и) 6 5/8 * 3 1/5 : 7 1/15 = 3

к) -3.6 + 11.5 = 11.5 - 3.6 = 7.9