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(9-64/ c + 6*4 ) /5=5






























Răspuns :

[tex] \frac{(9 - \frac{64}{c} +6*4)}{5 } = 5\\\\ (9 - \frac{64}{c} +24) = 25\\\\ (9 - \frac{64}{c}) = 1\\\\ - \frac{64}{c} = -8 \\\\ c = 8[/tex]