ONE QUESTION, ONE STEP
ZX-374B90F1FBPSAT10 P2 · 第 9 题
PSAT10 P2 · 原库模块 2 · Q9 原库参考解析
查看全部 2 条题源记录
- PSAT10 P2 · 原库模块 2 · Q9
- PSAT10 P2 · 原库模块 3 · Q3
A geologist needs to collect at least 67 samples of lava from a volcano. If the geologist has already collected 63 samples from the volcano, what is the minimum number of additional samples the geologist needs to collect?
参考答案：
解题思路
容易忽略的一步
