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leapapegay59
@leapapegay59
January 2021
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Bonjour , je dois faire plusieurs exercice de revue de l'année dernière mais j'ai tout oublier , aidez moi à faire cet exercice :
Calculer et donner le résultat sous la forme d'une fraction irréductible. Faire apparaître le détail des calculs :
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Emy0309
F= 11/30 + 7/6 - 12/5
F= 11/30 + 35/30 - 72/30
F= -26/30
G= 15/7 x 2/9
G= (15x2) / (7x9)
G= 30/63
H= - 2/49 : 8/14
H= (-2x14) / (49x8)
H= -28/392
H= -14/196
H= -7/98
I= 2/3 - 4/3 x 5/2
I= 2/3 - (4x5 / 3x2)
I= 2/3 - 20/6
I= 4/6 - 20/6
I= -16/20
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thalesbah
Bonsoir.
F=11/30+7/6-12/5.
F=66+210/180-12/5.
F=276/180-12/5.
F=1350-2160/900.
F=-810/900.
G=15/7*2/9.
G=30/63.
H=-2/49:8/14.
H=-2/49*14/8.
H=-28/392.
Tu fais l reste .
Merci.
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Thanks 0
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F= 11/30 + 35/30 - 72/30
F= -26/30
G= 15/7 x 2/9
G= (15x2) / (7x9)
G= 30/63
H= - 2/49 : 8/14
H= (-2x14) / (49x8)
H= -28/392
H= -14/196
H= -7/98
I= 2/3 - 4/3 x 5/2
I= 2/3 - (4x5 / 3x2)
I= 2/3 - 20/6
I= 4/6 - 20/6
I= -16/20
F=11/30+7/6-12/5.
F=66+210/180-12/5.
F=276/180-12/5.
F=1350-2160/900.
F=-810/900.
G=15/7*2/9.
G=30/63.
H=-2/49:8/14.
H=-2/49*14/8.
H=-28/392.
Tu fais l reste .
Merci.