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我想用 x^2 - 3 之类的乳胶文本代替边长显示几何问题。
提前致谢。
下标和上标应该开箱即用,参见例如http://jsxgraph.uni-bayreuth.de/wiki/index.php/Texts。对于更复杂的数学文本,您可以使用 MathJax,例如http://jsxgraph.uni-bayreuth.de/wiki/index.php/Using_MathJax。