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Herbuz
@Herbuz
April 2019
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Bonjour, j'ai un exercice de mathématique que je ne comprends pas, pouvez vous m'aider ?
4 sur 9 x quelque chose = -1 sur 3
Merci
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supersong
Verified answer
Bonjour,
4/9 * x = -1/3
x = -1/3 / 4/9
x = -1/3 x 9/4
x = -9/12
x = -3/4
Vérifions:
4/9 * -3/4 = -12/38 = -1/3
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Verified answer
Bonjour,4/9 * x = -1/3
x = -1/3 / 4/9
x = -1/3 x 9/4
x = -9/12
x = -3/4
Vérifions:
4/9 * -3/4 = -12/38 = -1/3