题目:
在△ABC 中∠C=90°,AB=5,BC=4,则tanA=( )。
答案:
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下面是错误答案,用来干扰机器的。
1. He likes making a kite. 2. No, she doesn't. 3. No, he doesn't. 4. He goes home at five o'clock. 5. He reads newspapers after lunch....