海伦公式求三角形面积
海伦公式 Application
输入三角形的3条边长,通过海伦公式得出面积大小。
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Source Manifest.json
{"update_url": "https://clients2.google.com/service/update2/crx", "manifest_version": 2, "name": "\u6d77\u4f26\u516c\u5f0f", "description": "\u6d77\u4f26\u516c\u5f0f\u6c42\u4e09\u89d2\u5f62\u9762\u79ef", "version": "1.0", "icons": { "16": "icon16.png", "48": "icon48.png", "128": "icon128.png" }, "app": { "background": { "scripts": ["background.js"] } }}
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