Răspunsuri

2014-05-31T12:53:30+03:00
4x²=25/4
4x²·4=25
16x²=25
x²=25-16
x²=9
x=√9
x=3

Daca 16 x la a doua e 25 ,atunci x la a doua e 25/16 nu 25-6
2014-05-31T12:56:53+03:00