a)3×3+3×3+3×9-7×8=
9+9+27-56=
18+27-56=
45-56= -11
b)5×5-25×45+1=
25-100+1=
-75+1= -76
Sper ca te-am ajutat :)
Răspuns:
a) 9+9+27-64=
= -11
b) 25-1100+1=
= -1074