— Whose model plane is it?
— It's Jack's. He made it by _______.
下面四个推导过程符合演绎推理三段论形式且推理正确的是( )
连词成句
找一找,100以内有哪些数是三个不同的质数的乘积。(从小到大填写)
某物质的着火点为t℃,右图中该物质燃烧得最旺的点是( )