1 line
689 B
XML
1 line
689 B
XML
<svg xmlns='http://www.w3.org/2000/svg' width='360' height='120' viewBox='0 0 360 120'><line x1='20' y1='60' x2='340' y2='60' stroke='#333' stroke-width='2'/><polygon points='340,60 330,55 330,65' fill='#333'/><polygon points='20,60 30,55 30,65' fill='#333'/><line x1='180' y1='50' x2='180' y2='70' stroke='#333' stroke-width='2'/><circle cx='180' cy='60' r='5' fill='white' stroke='#d62728' stroke-width='2'/><text x='180' y='88' font-size='14' text-anchor='middle' fill='#333'>0</text><text x='180' y='28' font-size='14' text-anchor='middle' fill='#d62728'>x ≠ 0</text><text x='180' y='108' font-size='13' text-anchor='middle' fill='#333'>定义域:(-∞,0) ∪ (0,+∞)</text></svg> |