Răspuns:
2^15 + 2×4^7 =
= 2^15+2(2^2)^7=
=2^15+2×2^14 =
= 2^15 + 2^15 =
= 2×2 = 2^16
2^16 = 48 =
= 4^8 <5^8 => 2^15 +2×4 <5^8
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