课堂上,老师出了一道考题:有面额1万元、2万元、3万元、4万元四张支票,现在要你和另一位同学各从中抽出一张,双方都不知道对方所抽出支票的面额,支票抽出后,双方在相互同意的情况下交换手中的支票,以小面额支票换得对方手中大面额支票的一方为赢家,假如你抽到的是一张面额2万元的支 Classroom, the teacher out of a test questions: a denomination of 10,000 yuan, 20,000 yuan, 30,000 yuan, 4 million four checks, and now you and one of your classmates from each one out, both sides do not know each other After withdrawing the check, both parties exchange checks in the hands of each other with the approval of each other, and win the check by a small denomination check for the winner of the large check in the other hand. If you have drawn a check of $ 20,000 support