DELTIA
Answered

A = 131x13 + 131 x87
b = 24 - 8x
c= 37-13 - 37x3
d = 4x+4x5
merci de m'aider

Sagot :

ECOLESTELME

Bonsoir, alors :

A = 131 x 13 + 131 x 87

= 1703 + 11397

= 14 803

B = 24 - 8x

= 8 ( 3 - x )

C = 37 - 13 - 37 x 3

= 37 - 13 - 111

= 24 - 111

= - 87

D = 4x + 4 x 5

= 4x + 20

= 4 ( x + 5 )

Voilà bonne nuit ;-)