Question

6 - Efetue :
a) (-2 ) . (-7 ) - (-1 )³ + 18 ÷ (-6 )

b) ( 3-6 )³ - ( 2-4 )² . (-2-1 ) ³

Answer 1

(-2.-7) - (-1) + 18/-6
+14 + 1 - 3
15 - 3
12

(-3)³-(-2)².(-3)³
-27 -(4).(-27)
-27-108
-135