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ZX-E7C3293E14Equivalent expressions · 第 22 题
Equivalent expressions · 原库模块 1 · Q22 原库参考解析
If a = c + d , which of the following is equivalent to the expression x2 - c2 - 2cd - d2?
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ONE QUESTION, ONE STEP
ZX-E7C3293E14Equivalent expressions · 原库模块 1 · Q22 原库参考解析
If a = c + d , which of the following is equivalent to the expression x2 - c2 - 2cd - d2?
参考答案：
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