1.若a的m次方=3,a的n次方=5,求a的m-n次方与a的4m-3n次方的值2.(1\3y的5次方-1\4y的4次方+1\6y³)÷1\12y³3.(2m的4次方n³+16m³n-8m²n的5次方)÷(-2m²n)×(-mn)³
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![1.若a的m次方=3,a的n次方=5,求a的m-n次方与a的4m-3n次方的值2.(1\3y的5次方-1\4y的4次方+1\6y³)÷1\12y³3.(2m的4次方n³+16m³n-8m²n的5次方)÷(-2m²n)×(-mn)³](/uploads/image/z/216801-9-1.jpg?t=1.%E8%8B%A5a%E7%9A%84m%E6%AC%A1%E6%96%B9%3D3%2Ca%E7%9A%84n%E6%AC%A1%E6%96%B9%3D5%2C%E6%B1%82a%E7%9A%84m-n%E6%AC%A1%E6%96%B9%E4%B8%8Ea%E7%9A%844m-3n%E6%AC%A1%E6%96%B9%E7%9A%84%E5%80%BC2.%281%5C3y%E7%9A%845%E6%AC%A1%E6%96%B9-1%5C4y%E7%9A%844%E6%AC%A1%E6%96%B9%2B1%5C6y%26sup3%3B%29%C3%B71%5C12y%26sup3%3B3.%EF%BC%882m%E7%9A%844%E6%AC%A1%E6%96%B9n%26sup3%3B%2B16m%26sup3%3Bn-8m%26sup2%3Bn%E7%9A%845%E6%AC%A1%E6%96%B9%EF%BC%89%C3%B7%EF%BC%88-2m%26sup2%3Bn%EF%BC%89%C3%97%EF%BC%88-mn%EF%BC%89%26sup3%3B)
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1.若a的m次方=3,a的n次方=5,求a的m-n次方与a的4m-3n次方的值2.(1\3y的5次方-1\4y的4次方+1\6y³)÷1\12y³3.(2m的4次方n³+16m³n-8m²n的5次方)÷(-2m²n)×(-mn)³
1.若a的m次方=3,a的n次方=5,求a的m-n次方与a的4m-3n次方的值
2.(1\3y的5次方-1\4y的4次方+1\6y³)÷1\12y³
3.(2m的4次方n³+16m³n-8m²n的5次方)÷(-2m²n)×(-mn)³
1.若a的m次方=3,a的n次方=5,求a的m-n次方与a的4m-3n次方的值2.(1\3y的5次方-1\4y的4次方+1\6y³)÷1\12y³3.(2m的4次方n³+16m³n-8m²n的5次方)÷(-2m²n)×(-mn)³
1. a的m-n次方是 3/5, a的4m-3n次方的值是81/125