bonjour
a= 2 * 9 x = 18 x * = multiplier
b = ( 5 x - 2 ) * 8 = 40 x - 16
c = ( 6 + 4 x ) * 2 = 12 + 8 x
d = 3 + ( x + 5 ) = pas de distributivité c'est une addition
e = 7 ( x + 1 ) = 7 x + 7
f = 8 ( 2 x + 2 ) * 3 = ( 16 x + 16 ) * 3 = 48 x + 48
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bonjour
a= 2 * 9 x = 18 x * = multiplier
b = ( 5 x - 2 ) * 8 = 40 x - 16
c = ( 6 + 4 x ) * 2 = 12 + 8 x
d = 3 + ( x + 5 ) = pas de distributivité c'est une addition
e = 7 ( x + 1 ) = 7 x + 7
f = 8 ( 2 x + 2 ) * 3 = ( 16 x + 16 ) * 3 = 48 x + 48