5X^4+3X²y-10-3X²y+X^4-1

来源：学生作业帮助网 编辑：作业帮 时间：2024/11/25 13:37:54
5X^4+3X²y-10-3X²y+X^4-1
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5X^4+3X²y-10-3X²y+X^4-1
5X^4+3X²y-10-3X²y+X^4-1

5X^4+3X²y-10-3X²y+X^4-1
5x^4+3x²y-10-3x²y+x^4-1
原式=（5x^4+x^4)+(3x²y-3x²y)-(1+10)
=6x^4-11

5X^4+3X²y-10-3X²y+X^4-1
=5X^4+X^4+3X²y-3X²y-10-1
=6X^4-11