Warning: array_combine(): Both parameters should have at least 1 element in /www/wwwroot/wd.haodianxin.cn/wd.php on line 122 Warning: Invalid argument supplied for foreach() in /www/wwwroot/wd.haodianxin.cn/wd.php on line 129 Warning: Missing argument 2 for mc_save(), called in /www/wwwroot/wd.haodianxin.cn/wd.php on line 154 and defined in /www/wwwroot/wd.haodianxin.cn/wd.php on line 46 在△ABC内部取一点P,在边A和BC上各取一点M和L使得∠PAC=∠PBC, ∠PLC..._6 - 问答
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在△ABC内部取一点P,在边A和BC上各取一点M和L使得∠PAC=∠PBC, ∠PLC...

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