Question

calcule as expressões 2(-6+5)-3(-5-4)

3(5+5-10)-2(5-2+7)

2(5+6-10)+(5-10)

-3(-3+6-1)+4(5-6+2)
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Answer 1

Resposta:

-12+10+15+12

-12+25+12

-12+37=25

10+12-20+5-10

32-20+5-10

32-25-10

7-10=-3

+9-18+3+20-24+8

-9-21+20-24+8

-9-41-24+8

-9-41-32

-50-32=-82