Question

7:(1 целая 1/5-2,2)+1/10:(2,8-3/8) СРОЧНО!!!!

Answer 1

1 1/5 - 2,2=-1
2,8-3,8=-1
7:(-1)=-7
1/10:(-1) =-1/10
-7+(-1/10)=-7 1/10

Answer 2

2,8-3,8=-1 (не 3,8 а 3/8)

Answer 3

2) 2,8 -3/8 =1 13/40

Answer 4

4) 1/10 : 1 13/40=4/53

Answer 5

5)-7+4/53 = -6 49/53