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Sagot :

VINS

bonjour

P = 5 x 2 ⁻¹ - 3 ⁻²

P =   5/2 -  1/9

P =  45/18 - 2 /18

P = 43/18

Q = 3 x 2 ⁻² + 5 x 2 ⁻³

Q =  3 /4 + 5/6

Q =  9 /12 + 10 /12

Q =  19/12

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