(3a^n+2b-2a^nb^n-1+3b^n)·5a^nb^n+3计算答案
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(3a^n+2b-2a^nb^n-1+3b^n)·5a^nb^n+3计算答案(3a^n+2b-2a^nb^n-1+3b^n)·5a^nb^n+3计算答案(3a^n+2b-2a^nb^n-1+3b^n)
(3a^n+2b-2a^nb^n-1+3b^n)·5a^nb^n+3计算答案
(3a^n+2b-2a^nb^n-1+3b^n)·5a^nb^n+3计算答案
(3a^n+2b-2a^nb^n-1+3b^n)·5a^nb^n+3计算答案
15a^2n b^n + 10a^n b^(n+1) - 10a^( n+1 ) b^(2n-1) + 15a^n b^(2n) + 3
另:题目实在写的有点不清楚,最好适当加括号
(3a^n+2b-2a^nb^n-1+3b^n)·5a^nb^n+3计算
(3a^n+2b-2a^nb^n-1+3b^n)·5a^nb^n+3计算
(3a^(n+2)b-2a^nb^(n-1)+3b^n)×5a^nb^n+3(n为正整数,n大于1)
(3a^n+2b-2a^nb^n-1+3b^n)·5a^nb^n+3计算答案
3a^n+2-7a^n+1b-6a^nb^2
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