Răspuns :
exercitii=e probleme=p
e+p=56 7 x p + p = 56
e=7 x p 8 x p = 56
e=? p=? p=56:8=7
e=7 x 7 = 49
e+p=56 7 x p + p = 56
e=7 x p 8 x p = 56
e=? p=? p=56:8=7
e=7 x 7 = 49
Cate probleme a rezolvat Andrei ?
56:8=7
Dar exercitii ?
7x7=49
V: 7+49=56
56:8=7
Dar exercitii ?
7x7=49
V: 7+49=56