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DEDESXOXO
@DEDESXOXO
May 2019
2
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Aidez moi svp...je suis en 3eme mais je dois faire l'ex 1 en programme de 4eme...Merci beaucoup
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Verified answer
Bonjour ,
A=9/8×7/3
= 63/24
=21/8
B=5/9+2/9
=7/18
=7/9
C=3/7-5/21
=4/21
D=3/7+5/7×1/2
=11/14
Voilà en esparant que sa soit juste
2 votes
Thanks 1
DEDESXOXO
Merci beaucoup Tu m'a sauvé la vie
chrystine
Verified answer
Bonsoir
A)9/8*7/3=63/24=3*21/3*8=21/8
B)5/9+2/9=7/9
C)3/7-5/21=3*3/7*3-5/21=9/21-5/21=4/21
D)3/7+5/7*1/2=5/7*1/2=5/14+3/7=5/14+3*2/7*2=5/14+6/14=11/14
1 votes
Thanks 1
DEDESXOXO
Merci beaucoup Tu m'a sauvé la vie
chrystine
de rien
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Verified answer
Bonjour ,A=9/8×7/3
= 63/24
=21/8
B=5/9+2/9
=7/18
=7/9
C=3/7-5/21
=4/21
D=3/7+5/7×1/2
=11/14
Voilà en esparant que sa soit juste
Verified answer
BonsoirA)9/8*7/3=63/24=3*21/3*8=21/8
B)5/9+2/9=7/9
C)3/7-5/21=3*3/7*3-5/21=9/21-5/21=4/21
D)3/7+5/7*1/2=5/7*1/2=5/14+3/7=5/14+3*2/7*2=5/14+6/14=11/14