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Compara nr 5la puterea 8 cu 2la puterea 15+2*4la puterea 7

Răspuns :

2¹⁵+2x4⁷=2¹⁵+2x(2²)⁷=2¹⁵+2x2¹⁴=2¹⁵+2¹⁺¹⁴=2¹⁵+2¹⁵=2¹⁵(1+1)=2¹⁵x2=2¹⁵⁺¹=2¹⁶
5⁸≈5⁸x2⁸≈10⁸
2¹⁶≈2¹⁶x5¹⁶≈10¹⁶
deci 5⁸<2¹⁶