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(2la puterea3•7laputerea5)la puterea4

Răspuns :

(2³•7^5)^4=(7²•14³)^4=(49•2744)^4=134456^4 Sau (2³•7^5)^4=2^3^4•7^5^4=2^12•7^20
(2³•7⁵)⁴=2³ˣ⁴•7⁵ˣ⁴=2¹²  •  7²⁰