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  • Utilisateur Brainly
2014-09-07T15:09:09+02:00
Ex 22 :

(6 - 3 x 2)²
= (6 - 6)²
= 0

6 - 3 x 2²
= 6 - 3 x 4
= 6 - 12
= - 6

(6 - 3) x 2²
= 3 x 4
= 12

6 - (3 x 2)²
= 6 - 36
= - 30

Ex 23 :

(- 5 + 8 : 2)²
= (- 1)²
= 1

(- 5 + 8) : 2²
= 3 : 4
= 0,75

- 5 + 8 : 2²
= - 5 + 8 : 4
= - 5 + 2
= - 3

- 5 +(8 : 2)²
= - 5 + 4²
= - 5 + 16
= 11