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mathématique ex 3 p 174 manuel 4eme
merci d'avance
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Mathématique Ex 3 P 174 Manuel 4eme Merci Davance class=

Sagot :

Bjr,

9/4 + 7/2 = 9/4 + 14/4 = 23/4.

13/2 - 6/7 = 91/14 - 12/14 = 79/14.

1/3 + 3 = 1/3 + 9/3 = 10/3.

12/4 - 25/10 = 120/40 - 100/40 = 20/40 = 2/4 = 1/2.