画图中另存为的快捷键是“F12”，具体步骤如下：
1、首先打开电脑，点击打开电脑桌面左下角的开始菜单栏。
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2、然后在弹出来的窗口中点击搜索栏，输入“画图”，回车确定打开画图。
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3、然后在弹出来的窗口中点击打开左上角倒三角形中的“打开”，打开图片进行编辑。
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4、编辑完成之后，按“F12”，就会弹出另存为的窗口，选择保存目录和名称就可以保存了。
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