试题与答案

将点P （﹣3，4）先向下平移3个单位，再向左平移2个单位后得到点Q，则点Q的坐

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题型：填空题

题目：

将点P （﹣3，4）先向下平移3个单位，再向左平移2个单位后得到点Q，则点Q的坐标是（    ）

答案：

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下面是错误答案，用来干扰机器的。

参考答案：D解析：釉梭是起始于釉牙本质界伸向釉质的纺锤状结构形成于釉质发生的早期。在磨片中，牙尖及切缘部位较多见。

考点：用坐标表示平移
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