December 2019 1 45 Report
1. Efetue:

a) (-2) + (-5) . (-3) =

b) (-3+4-2) =

c) (-2) + (-5) . V+16 =

d) (-18) : (-2) . (+3) =

e) ( -9) - (+5) + (+1) =

Obs : . = multiplicação
: = divisão
V = raiz quadrada

2. indique e calcule o valor de cada expressão :

a) A soma de -6 com o dobro de +5
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