问题描述



两个小孩去打油，一人带了一个一斤的空瓶，另一个带了一个七两、一个三两的空瓶。原计划各打一斤油，可是由于所带的钱不够，只好两人合打了一斤油，在回家的路上，二人想平分这一斤油，可是又没有其它工具。试仅用三个瓶子(一斤、七两、三两)精确地分出两个半斤油来。

-Problem descr iption of two children to play oil, one person with a small amount of the empty bottles, and the other with a 72, one of 32 bottles. Originally planned to play the catty oil, but because of the money raised, so the two played together a pound of oil, in the way home, they want to share this small amount of oil, but there is no other instrument. Test only three bottles (catty, 72, 32) precisely the separation of half a catty of oil is used for both.