Question

[Bùi Khắc Toàn]

nếu lấy số đó cộng với 3 rồi trừ đi 2 sẽ được kết quả bằng kết quả của số lớn nhất có 1 chữ số trừ đi 4.

Answer 1

[ĐÀO THỊ MINH ÁNH]

Đặt số cần tìm là a Theo bài ra ta có: a+3-2=9-4 a+1=5 a=5-1 a=4 Vậy số cần tìm là 4

Answer 2

[Đoàn Bảo An]

=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001234567888990