Question

7) calcule os valor da expressoes:
a)3+2-4
b)7-3+5
c)-3+5-2-9
d)-5+4-2-7+3
e)23-45-12+62
f)(+10).( -12 ).( +1 ).( -3 ).( +2)
g) ( – 3 ).( - 2 ).( – 10).( + 4 )
h) ( + 3 ).( + 3 ).( - 3 ).( - 3 )
i) ( - 1 ) . ( -12 ) . ( + 57 )
j)( – 12 ) : ( – 3 ) =
k) ( – 48 ) : ( + 6 ) =
l) ( + 32 ) : ( +16 ) =





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Answer 1

1

9

-9

-7

18

720

-240

81

684

4

-8

2

Resposta:

Explicação passo-a-passo: