1A2B猜數字

答案為不同的4個數字的排列組合，猜4個不同的數字，若數字與位置相同則為A，若數字相同位置不同則為B，趕快來挑戰自己一下吧！ The answer is different permutations and combinations of four digits, guess four different numbers, if compared with the same numbers and location A, if the same number of different positions, compared with B, Come challenge yourself about it!