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calcuati:×|12
(×+2)|7
(2×-1)|11​


Răspuns :

[tex]12x \frac{x + 2}{7} \times \frac{2 \times - 1}{11} [/tex]

[tex] \frac{12(x + 2)x(2x - 1}{77} [/tex]

[tex] \frac{24x {}^{2} - 12x - 48 - 24 }{77} [/tex]

[tex] \frac{24x {}^{2} + 36 - 24}{77} [/tex]

asta e tot