Răspunsuri

2014-11-12T21:14:40+02:00
3^57 :9^25 * 3^10):3^15=
= 3^57 :3^50 * 3^10) /315
= 3^7*3^10)/3^15
=3^17/3/^15
=3^2=9
2 4 2
2014-11-12T22:17:42+02:00