定义域在实数R上的奇函数f(x)的最小正周期为20,在区间(0,10)内仅有f(3)=0求函数y=f(4/x+3)在【-100,400】上零点的个数
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![定义域在实数R上的奇函数f(x)的最小正周期为20,在区间(0,10)内仅有f(3)=0求函数y=f(4/x+3)在【-100,400】上零点的个数](/uploads/image/z/3700433-65-3.jpg?t=%E5%AE%9A%E4%B9%89%E5%9F%9F%E5%9C%A8%E5%AE%9E%E6%95%B0R%E4%B8%8A%E7%9A%84%E5%A5%87%E5%87%BD%E6%95%B0f%28x%29%E7%9A%84%E6%9C%80%E5%B0%8F%E6%AD%A3%E5%91%A8%E6%9C%9F%E4%B8%BA20%2C%E5%9C%A8%E5%8C%BA%E9%97%B4%280%2C10%29%E5%86%85%E4%BB%85%E6%9C%89f%283%29%3D0%E6%B1%82%E5%87%BD%E6%95%B0y%3Df%284%2Fx%2B3%29%E5%9C%A8%E3%80%90-100%2C400%E3%80%91%E4%B8%8A%E9%9B%B6%E7%82%B9%E7%9A%84%E4%B8%AA%E6%95%B0)
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