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题目内容
（甘肃开放大学高等数学）
函数f(x)=e^x+e^-x/2的图像关于y轴对称
A.对
<img src="data:image/png;base64,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" >
B.错
A.对
<img src="data:image/png;base64,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" >
B.错
参考答案