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Sagot :

Bonjour

a. y = 3

A = 7 * y = 7 * 3 = 21

B = 4 * y + 3 = 4 * 3 + 3 = 12 + 3 = 15

b. y = 4,5

A = 7 * y = 7 * 4,5 = 31,5

B = 4 * y + 3= 4 * 4,5 + 3 = 18 + 3 = 21

c. y = 1

A = 7 * y = 7 * 1 = 7

B = 4 * y + 3 = 4 * 1 + 3 = 4 + 3 = 7

d. y = 0

A = 7 * y = 7 * 0 = 0

B = 4 * y + 3 = 4 * 0 + 3 = 3.

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