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Sagot :

Réponse :

Explications étape par étape

Bonjour

simplifier :

a 4/3 - 3/9

A = (4 x 3)/(3 x 3) - 3/9

A = 12/9 - 3/9

A = 9/9

A = 1

B1- 18/19

B = 19/19 - 18/19

B = 1/19

C 3/48

C = 3/(3 x 16)

C = 1/16

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