Question

5º) Resolva as expressões numéricas
A) 37 + [-25- (-11 + 19-4)] =
B) 60 = {2 • (-7 + 18 = (-3 + 12)]) - [7 - (-3) - 18 = (-2) + 1] =
C) 3- (2 + (11-15) – [5+(3+1)] + 8) =
D) [(18+ 3 - 2) = 8 + 5 : 3] + 6 =
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Answer 1

Resposta:

a)37-25=-12(-11+19-4)=23-4-4=8

b)60=14+18=32-3=27+12=39-7=32-32=27-18=9-2=7-1=(6)

c)3-2=1+11=+12(8+1=9+8=16-15=1

d)18+3=22-2=20+5=25+6=31