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Varvara1999
@Varvara1999
April 2019
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Bonjour , pouvez vous m'aider avec ces exo de math pour demain???
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winner123
Verified answer
Bonsoir
5/12 et 25/54 ne
sont pas égaux
car 5 x 54 = 270 et 12x 25 = 300
5/21 et 1/7
non égaux,
5x 7 = 35 et 1x 21 = 21
A = -36/10 +1/10 = - 35/10 =
- 7/2
B = 120/48 - 3/48 = 117/48 =
39/16
C = 9/12 - 8/12 =
1/12
D = -18/30 - 15/30 = - 33/30 =
- 11/10
E = 315/810 + 36/810 = 351/810 =
13/30
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Thanks 0
varvara1999
Merci Nullasse...:)
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Verified answer
Bonsoir5/12 et 25/54 ne sont pas égaux car 5 x 54 = 270 et 12x 25 = 300
5/21 et 1/7 non égaux, 5x 7 = 35 et 1x 21 = 21
A = -36/10 +1/10 = - 35/10 = - 7/2
B = 120/48 - 3/48 = 117/48 = 39/16
C = 9/12 - 8/12 = 1/12
D = -18/30 - 15/30 = - 33/30 = - 11/10
E = 315/810 + 36/810 = 351/810 = 13/30