这个游戏只涉及10以内的减法.但没有做过深入研究的人们很难取胜.

本游戏有三个被减数,玩家双方轮流(必须)选择其中一个,且一轮只能选一个来做减法,胜负规定:优先使三个被减数之和为1者胜出.-The game involves the subtraction of 10 or less. But not in depth study of it difficult to win. This game has three minuend, players take turns (must) choose one, and one can only choose one to do subtraction, the provisions of victory: first to the three minuend and for a winner.