Question

dau coroană..... urgent va rog.....

Answer 1

1) /=fractie,supra
=
(3x3-1)/3x(9/8)²=8/3x81/64=27/8=3³/2³=(3/2)³

2) 32x5/8=32x5:8=160:8=20 fete
32-20=12 baieti

3) 100x10%=100x10:100=10
100+10=110 lei noul pret