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Sagot :

AYUDA

bjr

6 x a = 7

a = 7/6

12 x a = 5

a = 5/12

18 x a = 67

a = 67/18

et

7 x a = 98

a = 98/7

MUHAMMEDBARANDI

Réponse:

Bonsoir,

a.

6×a=7

a=7/6

b.

12×a =5

a=5/12

c.

18×a=67

a=67/18

d.

7×a=98

a=98/7

bon courage

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