It is known that the length of one side of a triangle is 5cm and the length of the other side is 9cm, then the length of the third side cannot be how many cm
已知一个三角形一条边的长是5cm，另一条边的长是9cm，则第三条边的长不可能是多少cm
<gadget id="calculator">9 - 5</gadget>
<output>4</output>

<result>4</result>