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2³³ - 2³⁸ = .........

Răspuns :

[tex]2^{33}-2^{38} \\ \\ =2^{33}-2^{33}\cdot2^5 \\ \\ =2^{33}-2^{33}\cdot32 \\ \\ =2^{33}(1-32) \\ \\ =2^{33}\cdot(-31)[/tex]