Required Mathematical Intelligence

Chapter 133 How many bees are there in the park
There are two kinds of flowers A and B in the park. A swarm of bees flies to flower A and drops 1/5 on flower A and 1/3 on flower B. Then there is only one bee flying up and down to enjoy the fragrance of the flowers. How many bees have gathered here?
[答案：1/3-1/5=2/15；3×2/15=6/15；1-1/3-1/5-6/15=1/15；1/（1/15）=15.]
(End of this chapter)