随机计算 (计算机随机产生10到四则运算题，两操作数为1～10之间的随机数，运算类型为随机产生的加、减、乘、整除中的任意一种，如果输入答案正确，则显示"Right!",否则显示""Not correct!"，不给机会重做，10道题做完后，按每题10分统计总分数，然后打印出总分数和做错题数。)-Stochastic computing (computer randomly generated 10-4 computing problems, the two operands is a random number between 10, computing type randomly generated add, subtraction, multiplication, division in any one of, if you type the answer correct, then the show " Right!" , otherwise display " "　Not correct! " , do not give the opportunity to redo, 10 questions done, the statistics per question 10 points total score, and then print out the total score and the number of wrong question.)