7
[tex]b)y = 25 {}^{2} - 7 {}^{2} apoi \sqrt{y } \\ c)z = 13 {}^{2} + 2 \times 13 \times 17 {}^{2} apoi \sqrt{z} [/tex]
[tex]
8
b) \: calculati \: \sqrt{14 {}^{2} } \\ \sqrt{7 {}^{4} } \\ \sqrt{a {}^{2} } \: a \: apartine \: multimi \: n \\ c)folosind \: rezultele \: de la subpunctul a calculati \sqrt{2 {}^{2} } \times 3 {4}^{} \\ \sqrt{2 {}^{2} } \times 3 {}^{4} \times 5 {6}^{} \\ \sqrt{2 {}^{100} } \div 2 {84}^{} \\ \sqrt{2 {6}^{} } \times 5 {}^{2} \\ a)completati \: numere \: naturale \: in \: spatiile \: libere \: pentru \: a \: obtine \: egalitati \\ 2 {?}^{2} \times 3 {4}^{} = (....) {?}^{2} \\ 2 {?}^{2} \times 3 {?}^{4} \times 5 {?}^{6} = (....) {?}^{2} \\ 2 {?}^{100} \div 2 {?}^{84} = (....) {?}^{2} \\ 2 {?}^{6} \times 5 {?}^{2} = (.....) {?}^{2} [/tex]
imi trebuie acum
urgent!!!!!!
coroana​
