September 2018 2 15 Report

uprość wyrażenia algebrajczne:

a) -7+3y+9+2y

b)x-3x+2-2x-7

c)-5x+4y-y-7x-9y

d)4x+5-x-4+x-3x

e)0,5a-2a+9-0,5a-11,5

f)-14k+9k-13+k+3+4k

g)-3k+2m+5m-7+k-m

h)2x-4+3x-2

i)x-3y-2x+6y

j)2y-5-3y-4-8y+9


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