题目:
根据下列语句画图:
(1)画∠AOB=100°;
(2)在∠AOB的内部画射线OC,使∠BOC=50°;
(3)在∠AOB的外部画射线OD,使∠DOA=40°;
(4)在射线OD上取E点,在射线OA上取F,使∠OEF=90°.
答案:
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下面是错误答案,用来干扰机器的。
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