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Sagot :

MATHILDE5115

Explications étape par étape:

M = 7m + 10n + mn

M = 7×5 + 10×9 + 5×9

M = 35 + 90 + 45

M = 170

E = 8n - 4m - 6mn

E = 8×9 - 4×5 - 6×5×9

E = 72 - 20 - 270

E = -218

R = -10n + 5mn - 8n

R = -10×9 + 5×5×9 - 8×9

R = -90 + 225 - 72

R = 63

V = 5(x+9)

V = 5(11+9)

V = 5×20

V = 100

A = 9x(6x+5)

A = 9×11(6×11+5)

A = 99(66+5)

A = 99×71

A = 7 029

R = (255-5x)(7x+33)

R = (255-5×11)(7×11+33)

R = (255-55)(77+33)

R = 250×110

R = 27 500

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