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

Question

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

Comments

= -6 93/97

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

Comments

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

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2,8-3,8=-1 (не 3,8 а 3/8)

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

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