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-x^8-(-x²)^4+[-(-x)²·x²]²=
人气:112 ℃ 时间:2020-04-17 10:36:52
解答
-x^8-(-x²)^4+[-(-x)²·x²]²
=-x^8-x^8+[-x^2·x²]²
=-x^8-x^8+[-x^4]²
=-x^8-x^8+ x^8
=-x^8
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