December 2022 1 12 Report
5) Calcule:

a) (-4)² -3 =

b) 1+(-2)³ =

c) -2+(-5)² =

d) 15+(-1)⁷-2 =

e) (-2)²+(-3)³+1 =

f) (-9)²-2(-3)-6 =

g) (-2).(-7)+(-3)² =

h) (-1)³+3+(-2).(-5) = ​
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