奥数:游乐场有一个名为"天翻地覆"的游乐设施,它是将一些正方形厢房以顶点相连接在一起,由正前方看去,它的正视图如图所示,角1为30度、角2为125度、角3为80度、角4为75度,下面两个为直角,求
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 02:54:51
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