February 2023 1 30 Report
calcule o valor de cada expressão numérica
e faça a explicação de como você fez

a) (18-15+3)+2
b) 30+(50-12)-15
c)13-8+7-4-2
d)(60-12)-(10+20)-14
e)(100-35+15)+(200+135-98)
f)200-(40+50)-90-10
URGENTE​
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