Question

-3/x-5+1/x : x-5/10+x
Если х=2
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Answer 1

Ответ:

- 3/2-5 + 1/2 : 2-5/10+2 = -3/-3 + 1/2 : -3/12 = 1-1/2×12/3=1-1/2×4=1-2= -1

Answer 2

-3:(2-5)+(1:2) : 2-(-5:10+2)=

-3:(-3)+(0,5):(-3:10+2)= 1+0,5:1,7=1,2