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5×2^9+6×2^8=efectuati

Răspuns :

5 * 2⁹ + 6 * 2⁸ = 
2⁸ * (5 * 2 + 6 * 2⁰) = 
2⁸ * (10 + 6) = 
2⁸ * 16 = 
2⁸ * 2⁴ =
2¹²