Răspunsuri

2014-06-25T10:16:43+03:00
Cls a 7-a:
1.(2-√3)²+ (2+√3)²=?
2.latura dreptunghi = 6 respectiv 8 cm
diagonala dreptunghi = ?
3. x- \frac{x-1}{3} = 3
4.  \frac{x}{y} = - \frac{2}{3}; [tex]( \frac{a}{b}) ² =?