Bonjour,
Développer et réduire les expressions suivantes
A=3(1/4+x)-1/4
A = 3/4 + 3x - 1/4
A = 3x + 2/4
A = 3x + 1/2
B=2/3x+5(x-1/6)
B = 2/3x + 5x - 5/6
B = 2/3x + 15/3x - 5/6
B = 13/3x - 5/6
C=3/4(x-5)+1/2
C = 3/4x - 15/4 + 1/2
C = 3/4x - 15/4 + 2/4
C = 3/4x - 13/4
D=2+3(1/5x-1/3)
D = 2 + 3/5x - 3/3
D = 3/5x + 2 - 1
D = 3/5x + 1.