Of true and false? Spend 6 yuan to buy double chromosphere only, at the same time medium 6+1 and 6+0

? Probability of double chromosphere first prize already not tall, neat 6+1 of very hard part, big bill of a lot of double entry is contribution. But some people lot will block also do not block, zhangzhou is gentle county one friend, spent 6 yuan, 6+0 and 5+0 are gotten in, it is really too not easy ah.

Had you also encountered this kind of situation?