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1) Resolva as expressões numéricas:
a) 42: 6 -(20 - 1.17)-5:5
b) 4.(50 - 42:3) +8:24
c) 42 +V81 - 14+ (33: 9)
d) 3900:25 + 408.14​


Resposta :

Resposta:

a)12.83

b)14.33

c)113.67

d)564.14

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