nex_math/data/question_images/generated_3b05c134f5844e7ea...

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<svg xmlns='http://www.w3.org/2000/svg' width='320' height='220' viewBox='0 0 320 220'><rect width='320' height='220' fill='white'/><line x1='20' y1='140' x2='300' y2='140' stroke='black' stroke-width='2'/><line x1='160' y1='20' x2='160' y2='200' stroke='black' stroke-width='2'/><polygon points='300,140 292,136 292,144' fill='black'/><polygon points='160,20 156,28 164,28' fill='black'/><polyline points='60,40 160,140 260,40' fill='none' stroke='blue' stroke-width='3'/><line x1='160' y1='20' x2='160' y2='200' stroke='red' stroke-width='2' stroke-dasharray='5,4'/><line x1='110' y1='90' x2='210' y2='90' stroke='gray' stroke-dasharray='4,3'/><circle cx='110' cy='90' r='3' fill='black'/><circle cx='210' cy='90' r='3' fill='black'/><text x='170' y='35' font-size='14' fill='red'>y轴</text><text x='225' y='60' font-size='14' fill='blue'>y=|x|</text><text x='290' y='158' font-size='14'>x</text></svg>