二次函数图像与有关abc不等式求助如何根据图像判断出有关abc的不等式(比如:判断2a+b>0是否正确)我实在是弄不清楚啊!

来源:学生作业帮助网 编辑:作业帮 时间:2024/08/31 21:35:28
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