据说,下面这道题是俄国大作家列夫·托尔斯泰设计的,请你试着猜一猜。从前,有个农夫,死后留下了一些牛。他在遗书中写到:妻子分全部牛的半数再加半头。长子分剩下牛的半数再加半头,他所得的牛是妻子所得牛头数的一半。次子分还剩下的牛的半数再加半头,他所得的牛是长子所得牛的 It is said that the following question is designed by the Russian writer Lev Tolstoy, please try to guess. Once upon a time, there was a farmer who had left some cattle after his death. In his suicide note, he wrote: "The wife divides half of all cattle by half. The eldest son half of the rest of the remaining half of the cow, his cow is half the number of his wife's head income. And the half of the remainder of the remainder of the second child shall be given a further half, and the ox which he has received shall be the ox of the firstborn