=asdfghjkl zxcvbnm qwertyuiop 1234567890 f1f2f3f4f5f6f7f8f9f0
Số cần tìm là:
999999999+999999999999999999=18999999999999999999 to quá
Đáp số:1899999999999999999
Bằng 999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999
Nhé ok