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Sagot :

Bonjour

(1 + 7 x 2) / (25 - 3 x 8)

= (1 + 14) / (25 - 24)

= 15 : 1

= 15

(- 12 + 32) x (- 2) - 6

= 20 x (- 2) - 6

= - 40 - 6

= - 46

3 - [7 - (- 1) x (9 - 4)]

= 3 - (7 + 1 x 5)

= 3 - (7 + 5)

= 3 - 12

= - 9

[600 : (10 : 2)] / (- 2 x 3)

= (600 : 5) / - 6

= 120/- 6

= - 20

- 6² = - (6)² = - 36

- 10 + 4² = - 10 + 16 = 6.

(- 6)²= (- 6) x (- 6) = 36.

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