Wykonaj dzialania: a)x-2xy+1/2x-1/3xy b)4x+4-7x-1/2 c)-2ab+12a-4ab-16a d)2x-(-x+4) e)7-(-x+6) f)-(x+4)+(x-5) g)1-(t+p)-(t-2) h)-(-y+2)+(-2y-4) Prosze o rozpisanie wszystkiego!!:))
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a)x-2xy+1/2x-1/3xy = 1 1/2x - 1 2/3xy
b)4x+4-7x-1/2 = -3x + 3,5
c)-2ab+12a-4ab-16a = -6ab - 4a
d)2x-(-x+4)= 2x+x-4=3x-4
e)7-(-x+6)= 7+x-6=1+x
f)-(x+4)+(x-5)= -x-4+x-5= -9
g)1-(t+p)-(t-2)= 1-t-p-t+2=3-2t-p
h)-(-y+2)+(-2y-4)= -y-2-2y-4=-3y-6
a) x-2xy+ 1/2 x - 1/3xy= 1 1/2x - 2 1/3 xy
b) 4x+4-7x-1/2= -3x+ 3 1/2
c) -2ab+12a-4ab-16a= -6ab-4a
d) 2x-(-x+4)= 2x+x-4=3x-4
e) 7-(-x+6)=7+x-6=1+x
f) -(x+4)+(x-5)=-x-4+x-5=-9
g) 1-(t+p)-(t-2)= 1-t-p-t+2=3-p-2t
h) -(-y+2)+(-2y-4)=y-2-2y-4=-y-6