设计并制作一个用于篮球比赛计时计分器，能显示各种比赛时间，并显示比赛比分，能实现每次加1分、加2分、减1分操作。-Design and production of a timing for the basketball game scoring device capable of displaying a variety of game time, and displays game scores, able to add 1 point each time, add two points, by a sub-operation.
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