Schema 类型：MathSolver（与 LearningResource 联合标注） 适用场景：数学解题工具首页
| 属性 | 类型 | 必需/推荐 | 说明 |
|---|---|---|---|
| url | URL | 必需 | 工具入口页 |
| usageInfo | URL | 必需 | 隐私政策链接 |
| potentialAction | SolveMathAction | 必需 | 求解动作 |
| potentialAction.target | EntryPoint | 必需 | 带占位符的求解网址模板 |
| potentialAction.mathExpression-input | Text | 必需 | 占位符声明，如 required name=math_expression_string |
| learningResourceType | Text | 必需 | 固定值 Math Solver |
| inLanguage | Text | 推荐 | 页面语言 |
| potentialAction.eduQuestionType | Text 数组 | 推荐 | 支持题型 |
| assesses | Text | 推荐 | 题型说明（用 HowTo 等时） |
完整 JSON-LD 示例：
{
"@context": "https://schema.org",
"@type": ["MathSolver", "LearningResource"],
"name": "MathHelper - Step by Step Solutions",
"url": "https://www.mathhelper.com/",
"usageInfo": "https://www.mathhelper.com/privacy",
"inLanguage": "en",
"potentialAction": [
{
"@type": "SolveMathAction",
"target": "https://mathhelper.com/solve?q={math_expression_string}",
"mathExpression-input": "required name=math_expression_string",
"eduQuestionType": ["Polynomial Equation", "Derivative", "Integral", "Quadratic Equation"]
}
],
"learningResourceType": "Math Solver"
}说明：标记宜放在首页；用户无需登录即可看到解答与分步过程。支持题型包括多项式方程、二次方程、线性方程、导数、积分、极限、三角函数、方程组、统计等。
来源
- Math solver (MathSolver) structured data，https://developers.google.com/search/docs/appearance/structured-data/math-solvers（2026-10-05 核对）
