作业帮一、计算 1.(-4/3乘ab²c³）³；2.[(-3a²b³）³]²；3.[(x-y)×(x+y)]³4.（-2x²y）³+8（x²）²×（-x²）×（-y）³.5.(-3x的n次方y）²乘2x的n-1次方y的计算结果
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![一、计算 1.(-4/3乘ab²c³）³；2.[(-3a²b³）³]²；3.[(x-y)×(x+y)]³4.（-2x²y）³+8（x²）²×（-x²）×（-y）³.5.(-3x的n次方y）²乘2x的n-1次方y的计算结果](/uploads/image/z/1964317-13-7.jpg?t=%E4%B8%80%E3%80%81%E8%AE%A1%E7%AE%97+1.%28-4%2F3%E4%B9%98ab%26%23178%3Bc%26%23179%3B%EF%BC%89%26%23179%3B%EF%BC%9B2.%5B%28-3a%26%23178%3Bb%26%23179%3B%EF%BC%89%26%23179%3B%5D%26%23178%3B%EF%BC%9B3.%5B%28x-y%29%C3%97%28x%2By%29%5D%26%23179%3B4.%EF%BC%88-2x%26%23178%3By%EF%BC%89%26%23179%3B%2B8%EF%BC%88x%26%23178%3B%EF%BC%89%26%23178%3B%C3%97%EF%BC%88-x%26%23178%3B%EF%BC%89%C3%97%EF%BC%88-y%EF%BC%89%26%23179%3B.5.%28-3x%E7%9A%84n%E6%AC%A1%E6%96%B9y%EF%BC%89%26%23178%3B%E4%B9%982x%E7%9A%84n-1%E6%AC%A1%E6%96%B9y%E7%9A%84%E8%AE%A1%E7%AE%97%E7%BB%93%E6%9E%9C)
一、计算 1.(-4/3乘ab²c³）³；2.[(-3a²b³）³]²；3.[(x-y)×(x+y)]³4.（-2x²y）³+8（x²）²×（-x²）×（-y）³.5.(-3x的n次方y）²乘2x的n-1次方y的计算结果
一、计算 1.(-4/3乘ab²c³）³；2.[(-3a²b³）³]²；
3.[(x-y)×(x+y)]³
4.（-2x²y）³+8（x²）²×（-x²）×（-y）³.
5.(-3x的n次方y）²乘2x的n-1次方y的计算结果是?
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一、计算 1.(-4/3乘ab²c³）³；2.[(-3a²b³）³]²；3.[(x-y)×(x+y)]³4.（-2x²y）³+8（x²）²×（-x²）×（-y）³.5.(-3x的n次方y）²乘2x的n-1次方y的计算结果
1.(-4/3乘ab²c³）³；
=-64/27a³b的6次方c的9次方
2.[(-3a²b³）³]²；
=(-27a的6次方b的9次方)²
=729a的12次方b的18次方
3.[(x-y)×(x+y)]³
=(x²-y²)³
=x的6次方-3x的4次方y²+3x²y的4次方-y的6次方
4.（-2x²y）³+8（x²）²×（-x²）×（-y）³.
=-8x的6次方y³+8x的6次方y³
=0
5.(-3x的n次方y）²乘2x的n-1次方y
=9x的2n次方y²×2x的n-1次方y
=18x的3n-1次方y³
⒈原式=(-4/3)³×(ab²c³)³=(-64/27)a³b^6c^9
⒉原式=(-3a²b³)^6=729a^12b^18
⒊原式=(x²－y²)³=(x²)³－3(x²)²y³＋3x²(y²)²－...
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⒈原式=(-4/3)³×(ab²c³)³=(-64/27)a³b^6c^9
⒉原式=(-3a²b³)^6=729a^12b^18
⒊原式=(x²－y²)³=(x²)³－3(x²)²y³＋3x²(y²)²－(y²)³=x^6－3x^4y³＋3x²y^4－y^6
⒋原式=-8x^6y³＋(8x^4)×(-x²)×(-y³)=-8x^6y³＋8x^6y³=0
⒌原式=18x^(3n-1)y³
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