Răspuns:
a)3³+2:(5²-2³)=
27+2:(25-8)=
27+2:17=
27`¹⁷+ 2/7=
459/17+2/17=461/17
b)4+10×(15+7×8)=
4+10×(15+56)=
4+10×71=
4+710=714
c)4,5×0,2+36:10-0,004×100=
0,9+3,6-0,4=
4,5-0,4=4,1
d)1,5×0,4+2×(3,6-12×2)=
0,6+2(-20,4)=
0,6-40,8=40,2=402/100
(*unde / fracție(supra)