Răspuns
[tex] ({2}^{2} \times {3}^{2} - {5}^{2}) \div 11 + {3}^{2} \times {7}^{2} - {4}^{2} [/tex]
[tex]((2 \times 3)^{2} - 25) \div 11 + (3 \times 7)^{2} - {4}^{2} [/tex]
[tex] ({6}^{2} - 25) + 11 + {21}^{2} - {4}^{2} [/tex]
[tex](36 - 25) \div 11 + {21}^{2} - {4}^{2} [/tex]
[tex]11 \div 11 + {21}^{2} - {4}^{2} [/tex]
[tex]1 + {21}^{2} - {4}^{2} [/tex]
[tex]1 + (21 - 4) \times (21 + 4)[/tex]
[tex]1 + 17 \times 25[/tex]
[tex]1 + 425[/tex]
[tex]426[/tex]
Sper că te-am ajutat:)
