x² + y² = 5²
x² + y² = 25 -------- odpowiedź
S=(0;0)
r=5
x²+y²=5²
x²+y²=25
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x² + y² = 5²
x² + y² = 25 -------- odpowiedź
S=(0;0)
r=5
x²+y²=5²
x²+y²=25