Aidez moi pour mes devoirs S.V.P ecrire sans parentheses
a=x-(-y+z) b=x-(-y-z)
c=x+(-y+z) d=x+(-y-z)
Calculer a la main
a. -3-(10-8) b. -3-(10+8)
Calculer a la main
a=10,23-(5,91+2,23)
b=-7,41-(3,17-2,41)
c=-(5,84+2,31)+6,84
d=-(13-6)-(-8-7)
Developper et reduire
a=3x(-4x-7) b=7-(3x+1)
b=8-2(4x+1) d=5x-3(x+1)
a=x-(-y+z) b=x-(-y-z)
c=x+(-y+z) d=x+(-y-z)
Calculer a la main
a. -3-(10-8) b. -3-(10+8)
Calculer a la main
a=10,23-(5,91+2,23)
b=-7,41-(3,17-2,41)
c=-(5,84+2,31)+6,84
d=-(13-6)-(-8-7)
Developper et reduire
a=3x(-4x-7) b=7-(3x+1)
b=8-2(4x+1) d=5x-3(x+1)