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Sagot :

Réponse :

a) 1/ 4×3² - 6×10 = 4×9 - 6×10 = 36 - 60 = -24

   2/ 4× (3²- 6 × 10) = 4× (9 - 60) = 4 × (-51) = -204

   3/ 4× (3² -  6 ) ×10 = 4×3×10 = 120

b) 1/ 3 - 5²×2 + 8 = 3 - 25×2 + 8 = 3 - 50 + 8 = -39

   2/  (3 - 5²)×2 + 8 = (3 - 25)×2 + 8 = -22×2 + 8 = -36

   3/  3 - 5²×(2 + 8) = 3 - 25×10 = 3 - 250 = -247

Bonsoir


4 x 3^2 - 6 x 10

= 4 x 9 - 60

= 36 - 60

= -24


4 x (3^2 - 6 x 10)

= 4 x (9 - 60)

= 4 x (-51)

= -204


4 x (3^2 - 6) x 10

= 4 x (9 - 6) x 10

= 4 x 3 x 10

= 120


3 - 5^2 x 2 + 8

= 3 - 25 x 2 + 8

= 3 - 50 + 8

= -39


(3 - 5^2) x 2 + 8

= (3 - 25) x 2 + 8

= (-22) x 2 + 8

= -44 + 8

= -36


3 - 5^2 x (2 + 8)

= 3 - 25 x 10

= 3 - 250

= -247

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