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ZX-50E59B62F1Bluebook试题6 · 第 13 题
Bluebook试题6 · 原库模块 1 · Q13 原库参考解析
\( x^2=-841 \)
How many distinct real solutions does the given equation have?
参考答案：
解题思路
容易忽略的一步
How many distinct real solutions does the given equation have?
