Respostas:
A) 90
B) -9
C) -1
Cálculos:
A) [(-8)×(-1)+(+2)]×(-18)÷(-2) =
[8+2]×9 =
10×9 =
90
B) (-3)+(+36)÷(-6) =
-3+(-6) =
-3-6 =
-9
C) (2-11)÷[15+(-6)] =
-9÷[15-6] =
-9÷9 =
-1
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Respostas:
A) 90
B) -9
C) -1
Cálculos:
A) [(-8)×(-1)+(+2)]×(-18)÷(-2) =
[8+2]×9 =
10×9 =
90
B) (-3)+(+36)÷(-6) =
-3+(-6) =
-3-6 =
-9
C) (2-11)÷[15+(-6)] =
-9÷[15-6] =
-9÷9 =
-1