一个数的1.5倍是40的5%，这个数是多少？
40×5%÷1.5=
看图填词完成句子或对话
1. -Do you have a ping-pong __________?
-Yes, I do.
2. Li Lei doesn't have a __________.
3. Tom and Kate often(经常) play __________.
4. Do you have a __________? Let's play it together(一起).
5. I have a tennis but I don't have a tennis __________.
