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Enchainements d'opérations
103 Calculer :
a.-7 - 4 + 6
c.-7X(-2) - (-11)
b.-2 + (-3) x 5
d.(-5) 2-4X(-3)
Je besoin aide svp

Sagot :

PILOUU
A. -7-4+6
= -11+6
= -5

C. 7x(-2)-(-11)
= -3

B. -2+(-3)x5
= -17

D. (-5)2-4X(-3)
= 2(-5+2Xx3)
=2(-5+6X)