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(2^6•4^3•8^2)^5:16^3=?

Răspuns :

4^3=(2^2)^3=2^6
8^2=(2^3)^2=2^6
=》2^6×2^6×2^6=2^18
16^3=(2^4)^3=2^12
(2^18)^5=2^90
2^90÷2^12=2^78
Sper ca te.am ajutat!!!