1.wykonaj dzielenie a. (4x+6):2 b.(6y-9):3 c.(8x-5):(-4) d.(-2.7-0.9y):(-3) e.(2.5x-4y):0.25 f.(x-4y+2z):(-1) g.(25x+10y)/5 h.(12a-6b)/(-4) i. -(20x-8)/4
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(4x+6):2=2x+3
(6y-9):3=2y-3
(8x-5):(-4)=-2x+1 i 1/4
(-2,7-0.9y):(-3)=0.9+0.3y
(2.5x-4y):0.25= 10x-16y
(x-4y+2z):(-1)=-x +4y-2z
(25x+10y)/5=5x+2y
(12a-6b)/(-4)=-3a+1 i 1/2 b
-(20x-8)/4=-(5x-2)= -5x +2
prosze:)
a) (4x+6):2 = 2x+3
b) (6y-9):3 = 2y-3
c) (8x-5):(-4) = -2x+1,25
d) (-2,7-0,9y):(-3) = 0,9+0,3y
e) (2,5x-4y):0,25 = 10x-16y
f) (x-4y+2z):(-1) = -x+4y-2z
g) (25x+10y):5 = 5x+2y
h) (12a-6b):(-4) = -3a+1,5b
i) (-20x-8):4 = -5x-2