Question

Calcule:
a)15+(-1)^7-2=
b)(-2). (-7)+(-3)^2=
c)(-1)^3+(-2). (-5)=
d)(-2)^2+(-3)^2+1=

Answer 1

Calcule:

a)15+(-1)^7-2=15-1-2=>14-2=>12

b)(-2). (-7)+(-3)^2=>14+9=>23

c)(-1)^3+(-2). (-5)=> -1+10=>11

d)(-2)^2+(-3)^2+1=>4+9+1=>14