Răspuns:
Explicație pas cu pas:
a) (-2)-(-5)=-2+5=+3
b) ( -7) ^2 =49
c)-15-19 *2=-15-38=-53
d)17-(5)^2=17-25=-8
e)14+30-5*2=44-10=34
f) (-10):2+7=-5+7=+2
g) (-11)*3-(-7) =-33+7=-26
h) (-9)^2- 7*(-3)=81+21=+102
2)
a) (-2)^3+(-5)*(-3)=-8+15=+7
b)-7+2*(-5)=-7-10=-17
c) (-11)^2-11*(-15)-(11)=121+165-11=286-11=275
d)(-11+9)^3-(-8)=-8+8=0
e(-7)^+7^3=exercitiu incomplet
f)-11^2-11-11^0=-121-11-1=-133