August 2018 2 23 Report
Wyznacz "y" :

a) 3y + 7 = 8
b) 2y - ay = 6
c) y/a = jedna cała jedna piąta
d) a/y = b
e) y + 5
------------ = dwie całe jedna trzecia
7

f) ax + by
---------------- = dwie piąte


proszę o pomoc ! :(
2 + y
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