September 2018 1 20 Report
Zad.1 strona 218.. wszystki punkty ( a, b , c, d) MATEMATYKA Z PLUSEM

PROPORCJE

A) _3_ = _4_
x-2 2x+1

B) _2_ = _3x+2_
3 2x-2

C) _6x-1_ = _2,3_
x+1 1,2

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