Track / Stage 4 / 328 of 340 #588 of 2000

Problem 588

AMC 12 late, AIME early

Combinatorics Difficulty 5.0 Find the answer

1. Youyou, while performing addition, mistook the tens digit 3 of one addend as 8, and the units digit 9 of the other addend as 6. Youyou's calculation result is $\qquad$ more than the correct answer.

Your answer

Official solution

$47$

Source: NuminaMath-1.5, licensed Apache-2.0. Statement and solution reproduced as published; topic, difficulty and ordering added by this site.