ONE QUESTION, ONE STEP
ZX-CD927F44272025年5月国际A卷 · 第 7 题
2025年5月国际A卷 · 原库模块 1 · Q7 原库参考解析
Hakim has a bag of 50 tiles, where 45 are labeled with a letter and 5 are blank. If Hakim selects a tile from the bag at random, what is the probability of selecting a blank tile? (Express your answer as a decimal or fraction, not as a percent.)
参考答案:
解题思路
容易忽略的一步
