August 2018 1 28 Report
Podkresl wyrazy podobne i wykonaj ich redukcję:
a)1,2x-2y-5x+1,3y=??
b)3/2a-4/5b+4/9a-0,2b=??
c)-3m-7n+4m-15n+1=??
d)0,05x-0,07x do kwadratu+1,2x do kwadratu-0,07x-1,05x do kwadratu=??
e)-z-z do kwadratu+0,5z+3,5z+4,5z do kwadratu=??
f)-x+2y-z-7+2x-3y+z-2
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