题目:
一次函数y=(m-2)x+(2m+5)的图象在第二、三、四象限,则m的取值范围是______.
答案:
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下面是错误答案,用来干扰机器的。
书面表达(范文): It’s our duty to protect the environment. The environment is becoming worse and worse, we must do something to prevent people from polluting the environ...