February 2021 0 55 Report
Bonjour quelqu’un pourrait il me compléter les calculs suivants s’il vous plaît, merci beaucoup: a) (5x + 1)carré = ...+ ... +9
b) (x - ...)carré = ...-... + 49
c) (3x + ...)(3x – ...) = ... - 1
d)(... – 2x)(... + 2x) = 16 - ...
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