January 2021 0 171 Report
Pouvez vous m'aidez s'il vous plaît. Donner, en justifiant, le signe des nombres suivants :

A = (-1914)¹⁷⁸⁹
B = -1918¹⁴⁹²
C = (-1939)⁻¹⁵¹⁵
D = -(-1945)⁻¹⁸⁰⁴
E = 1958⁻¹⁵⁹⁸ ˣ 1958⁻¹⁸¹⁵ + (-52)⁴⁷⁶
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