pomocy!
zapisz w prostszej postaci:
0,2*(-5c)=
4/7a : 2/7=
32x:4=
(6-12a)*(-1/2)=
(-1/4x+1 i 1/3y)*(-12)=
(-2,7-0,9y):(-3)=
-(20x-8):4=
(x-4y+2z):(-1)=
-(x+2)-3(2x-4)+2(x-1)=
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zapisz w prostszej postaci:
0,2*(-5c)= -c
4/7a : 2/7= 4/7a*7/2= 2a
32x:4=8x
(6-12a)*(-1/2)=-3+6a
(-1/4x+1 i 1/3y)*(-12)=3x-16y
(-2,7-0,9y):(-3)=0,9+0,3y
-(20x-8):4=-5x+2
(x-4y+2z):(-1)=-x+4y-2z
-(x+2)-3(2x-4)+2(x-1)=-x-2-6x+12+2x-2=-5x+8