Question 21
In the addition below, different letters stand for different digits. If B + D is greater than 10, what is A + B + C + D? AB and CD are two-digit numbers.
Answer entry: enter only the whole number, without units. The paper uses four-digit shaded answers with leading zeros; this platform accepts ordinary integer entry.
Answer entry: enter only the whole number, without units. The paper uses four-digit shaded answers with leading zeros; this platform accepts ordinary integer entry.