September 2018 2 36 Report
Rozwiąż równania podane w postaci proporcji:
(/ to kreska ułamkowa)
a) x/2 = ⅚
b) x/2 = x+¼
c) 2(x - 1)/3 = x+⅖
d) x-1/x+3 = x/x+1
e) 2a+1/2a = a+3/a-1
f) b-2/b+1 = b/b-2

za godz. dam naj ;)
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