Répondre :

A = 5/6 - 1/3 * 7/2 + 11/6

A = 5/6 - [(1 * 7)/(3 * 2)] + 11/6

A = 5/6 - 7/6 + 11/6

A = 9/6

A = (3 * 3)/(2 * 3)

A = 3/2

B = 4/5 * 2/7 * 9/10

B = [(4 * 2 * 9)/(5 * 7 * 10)]

B = 72/350

B = (2 * 36)/(2 * 175)

B = 36/175

Bonjour;

A=

5/6 -7*6 +11/6

= -2/6 +11/6

= -9/6 = -3/2

B=

8/35 *9/10

= 72/350

= 36/175

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