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hanjisungbestboy
@hanjisungbestboy
April 2022
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Bonsoir, j'ai juste un petit exercice de maths que j'ai oublié de faire et je suis pas sûre d'avoir trop compris
Merci beaucoup pour votre aide
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shana555
a. 4n + (3n + 1) = 4n + 3n + 1 = 7n + 1b. 17 - 2 x (-5 - x) = 17 - 2 x *-5 -2*- x = 17 +10 + 2x = 2x + 27c. 13k - (2k + 4) x 10 = 13k - (2k*10 + 4*10) = 13k - (20k +40) = 13k - 20k - 40 = - 7k - 40d. 8m + 4 + (-2m - 5) = 8m + 4 -2m - 5 = 6m - 1e. (-2t + 1) - t = -2t + 1 - t = -3t +1f. 8(5x + 2) + 3= 8*5x + 8*2 + 3 = 40x + 16 + 3 = 40x + 19* veut dire multiplier
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hanjisungbestboy
Merci beaucoup je comprend mieux maintenant !
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Salut ! Je ne sais pas trop comment faire. B= (2x+1)(2x+3)+1 Prouver que si x est un nombre entier B est un multiple de 4. Merci !
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Bonjour, pouvez vous m'aider pour cet exercice de maths ? Merci beaucoup ;)
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hanjisungbestboy
April 2022 | 0 Respostas
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