October 2018 1 10 Report

Zredukuj wyrazy podobne:

a) 3x²-2x+1+x-4x²=2=

b) 2m²+3mn-n+mn+3n-m²=

c) 4a+2b²-b²-1+4b²+a-b²-2=

d) \frac{1}{2}pr-p-0,2r-pr+\frac{1}{4}pr-7p+r=

e) 0,3cd+\frac{1}{3}cd²-\frac{1}{2}cd-\frac{1}{6}cd²+\frac{1}{6}²=

Dzięki ;D


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