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Sagot :

KINGMELAS

Explications étape par étape:

U= 16-5x4 =16-(5x4)=16-20= -4

V=8x4 - 5x6 =(8x4) - (5x6)=32-30= 2

W= 9-(3/3) =9-1= 8

X= -7x(3+6)= -7x9= -63

Y= (-2-4)x(6-8)= (-6)x(-2)=+12 car (-)x(-)=+

Z=7-[6-(3-8)]=7-[6-(-5)]=7-[6+5]=7-[11]=7-11= -4

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