!! used as default html header if there is none in the selected theme. OEF 三角形

# OEF 三角形 --- 介绍 ---

### 已知两边

AB = , BC = , AC = 整数 ?

### 两条锐角边

AB = , BC = , AC = 整数 ?

### 类型识别

3 条边如下所示的 三角形'' ABC 是怎样的三角形

AB = , BC = , CA = ?

### 类型识别 b

AB = , BC = , 周长 = ?

• Description: 关于三角形的练习. This is the main site of WIMS (WWW Interactive Multipurpose Server): interactive exercises, online calculators and plotters, mathematical recreation and games
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