Skip to content / Đến nội dung
ThichHocToan.com

AMO 2027 Grades 4-5 SET 22 - Self-study Question 9

AMO · AMO 2027 Grades 4-5 SET 22 - Self-study

Question 9

In the following multiplication, A and B stand for different digits. Find A and B.

$$\overline{AB}\times\overline{BA}=3154.$$

The partial products are 114 and 304; 304 is shifted one place to the left.

Digit strings are two-digit base-ten numbers, not products; leading digits are nonzero. Use both displayed partial products, not only the final product.

Question illustration

Answer entry: Enter the two digits in the order A;B, separated by one semicolon, without spaces.