Zredukuj wyrazy podobne:
a) b+a+r+b+a+p+a+p+a
b) b-a-r-b-a-p-a-p-a
c) a+2b+3c-4c-5b-6a
d) a³+2a-a²+3a²-10a³+5
e) 5x²-x²+y²+y-3-y+(-2)y²+5
f) 13x+7y-10x-4y+5y
g) 90x+3y-x²+-9·9x-2y+x²
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a)b+a +r+b+a+p+a+p+a=4a+2b+2p+r
b)b-a-r-b-a-p-a-p-a=-4a-2p-r
c)a+2b+3c-4c-5b-6a=-5a-3b-c
d)a³+2a+a²+3a²-10a³+5=-9a³+4a²+5
e)5x²-x²+y²+y-3-y+( -2)y²+5=4x²-y²+2
f)13x+7y-10x-4y+5y=3x+8y
g)90x+3y-x²-9*9x -2y+x²=181x+y