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Sagot :

Bonsoir,

N'oublies pas al formule de politesse la prochaine fois ;)

Rappel :

+ et + = +

+ et - = -

- et - = +

Donc :

T= 9+ [(9-5)-1]

T = 9 + ( 4 - 1)

T = 9 + 3

T = 12

U = 17 - [3 + (7 × 2)]

U = 17 - ( 3 + 14)

U = 17 - 17

U = 0

V = 4 x [(18 + 5) - 2]

V = 4 x ( 23 - 2)

V = 4 x 21

V = 84

W = [2 + (9 x 3)] - 8

W = ( 2 + 27) - 8

W = 29 - 8

W = 21

X= [(16-1) + 3] + 7

X = ( 15 + 3 ) + 7

X = 18 + 7

X = 25

Y = [(8 + 6) × 2] + 7​

Y = ( 14 x 2) + 7

Y = 28 + 7

Y = 35

Bonne soirée.

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