Matematyka
Zad.1
Zredukuj wyrazy podobne i zapisz w prostszej postaci
a)6x-y-3x+5y
b)-7y-4-2,1y
c)-8,2x-3-2,8x+7
d)1-y+2x+y-4x
e) 9,5+y-9 1/2y
f)4,2a-7,4b-0,4a-1,8b
g)2/5x-k-3/5x-k
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a) = 3x+4y
b) = -9,1y-4
c) = -11x+4
d) = -2x+1
e) = -8,5y+9,5
f) = 3,8a-9,2b
g) = - 1/5x -2k
Liczę na Naj.