February 2021 0 58 Report
Bonjour, pourriez-vous m’aider pour cet exercice de mathématiques s’il vous plaît. Merci d’avance :) 34)Recopier et compléter :
a) (+ 4) + (...) = + 9; b) (-4) + (...) = + 9;
c) (-4) + (...) = -9; d) (+ 4) + (...) = -9;
e) (-5) + (...) = -3; f) (+ 7) + (...) = -3;
g) (+8) + (...) = + 5; h) (-9) + (...) = + 2.
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