还有一个数学,是我的第一题,when a odd is 打印,the print number is twice the number ,when a even ,the print is itself . if printed number is 42 , what is the 打印的number
还有一个数学,是我的第一题,when a odd is 打印,the print number is twice the number ,when a even ,the print is itself . if printed number is 42 , what is the 打印的number