计算:2(x+y)²[3(-x-y)³]+[2(x+y)]³[2(-x-y)²]
来源:学生作业帮助网 编辑:作业帮 时间:2024/04/28 07:57:20
计算:2(x+y)²[3(-x-y)³]+[2(x+y)]³[2(-x-y)²]
计算:2(x+y)²[3(-x-y)³]+[2(x+y)]³[2(-x-y)²]
计算:2(x+y)²[3(-x-y)³]+[2(x+y)]³[2(-x-y)²]
=-6(x+y)的5次方+16(x+y)的5次方
=10(x+y)的5次方
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来源:学生作业帮助网 编辑:作业帮 时间:2024/04/28 07:57:20
计算:2(x+y)²[3(-x-y)³]+[2(x+y)]³[2(-x-y)²]
计算:2(x+y)²[3(-x-y)³]+[2(x+y)]³[2(-x-y)²]
计算:2(x+y)²[3(-x-y)³]+[2(x+y)]³[2(-x-y)²]
=-6(x+y)的5次方+16(x+y)的5次方
=10(x+y)的5次方