Question

помогите пожалуйста ​

Answer 1

Ответ:

1)а. 5 1/2+1 1/6=11/2+7/6=40/6=6 4/6

б.2 4/9+3 1/2=22/9+7/2=107/18=5 17/18

в.5 7/12+1 7/8=67/12+15/8=179/24=7 11/24

г.6 2/5-1 1/10=32/5-11/10=53/10=5 3/10

д.4 5/7-1 2/3=33/7-5/3=64/21=3 1/21

е.3 1/2-1 2/3=7/2-5/3=11/6=1 5/6

2)15 1/2-(6 1/4+2 3/8)=31/2-25/4-19/8=55/8=6 7/8

3)(12 13/37+11 11/17)+(13 25/37+14 6/17)=457/37+198/17+506/37+244/17=963/37+442/17=1925/37=52 1/37