calculer

(-8)-(-4)x7

-5x3²+7

-7x2+(-8)²

Question

Grade: Education Subject: mathematiques
calculer

(-8)-(-4)x7

-5x3²+7

-7x2+(-8)²
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Answer (72)

Best Answer
(260)
(-8) - (-4) X 7
-8 +4 X 7       tu calcules la multiplication qui est prioritaire
-8 +28 = +20

-5 X 3² +7       la puissance, puis la multiplication
-5 X 9 +7
-45 +7 = -38

-7 X 2 + (-8)²     -8² = 64
-14 +64 = +50
(290)

Bonjour

(-8) - (-4) x 7
= -8 + 4 x 7      
= -8 + 28

= 20

-5 x 3² +7      
= -5 x 9 +7
= -45 +7

= -38

-7 x 2 + (-8)²    
= -14 + 64

= 50