September 2018 1 37 Report
Równania kwadratowe

b) x²+3x=28
c) 2x²+7x-4=0
d) 3x²+17x-6=0
e) 3x²-0,2x=5,6
g) ⅙x²-1⅓x=-2
m) 4x²-4x+1=0
k)x²-x+1=0

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