October 2018 2 17 Report

Matematyka

Zad. 1
Uprość wyrażenia algebraiczne
a) 5x-8-3x+4
b)-7y+9+2y-11
c) -2y+4x-3y-7x+12y
d) 3,2k-6k+8-3,2k-20,9
e)-4,7n+6w-7n+11-13,2w-10,1
f)-6 3/4a-7 1/2+9a-8
g)-8+3,25x-5 1/5y-1/4x+6y
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