{"type":"rich","version":"1.0","title":"泰宇 C1 1-2.2：絕對值不等式-例題3(3)","html":"<iframe src=\"https://www.desmos.com/calculator/vx1d0j7lqb?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}