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(+12)la puterea63 :(-12)la puterea 47 =

Răspuns :

[tex]\dfrac{12^{63}}{(-12)^{47}}=\dfrac{12^{63}}{-12^{47}}=- \dfrac{12^{63}}{12^{47}}=-12^{16}[/tex]
12 la puterea(63-47)
12 la puterea16