Представьте в виде квадрата или куба некоторого одночлена. а)две целых семь девятых x в 4 степени y во 2 степени z в 8 степени . б) 0,027 m в 9 степени n в 6 степени.
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a)![2\frac{7}{9}x^{4}y^{2}z^{8}=\frac{25}{9}x^{4}y^{2}z^{8}=(\frac{5}{3}x^{2}yz^{4})^{2} 2\frac{7}{9}x^{4}y^{2}z^{8}=\frac{25}{9}x^{4}y^{2}z^{8}=(\frac{5}{3}x^{2}yz^{4})^{2}](https://tex.z-dn.net/?f=2%5Cfrac%7B7%7D%7B9%7Dx%5E%7B4%7Dy%5E%7B2%7Dz%5E%7B8%7D%3D%5Cfrac%7B25%7D%7B9%7Dx%5E%7B4%7Dy%5E%7B2%7Dz%5E%7B8%7D%3D%28%5Cfrac%7B5%7D%7B3%7Dx%5E%7B2%7Dyz%5E%7B4%7D%29%5E%7B2%7D)
б)![0,027m^{9}n^{6}=\frac{27}{1000}m^{9}n^{6}=(\frac{3}{10}m^{3}n^{2})^{3}=(0.3m^{3}n^{2})^{3} 0,027m^{9}n^{6}=\frac{27}{1000}m^{9}n^{6}=(\frac{3}{10}m^{3}n^{2})^{3}=(0.3m^{3}n^{2})^{3}](https://tex.z-dn.net/?f=0%2C027m%5E%7B9%7Dn%5E%7B6%7D%3D%5Cfrac%7B27%7D%7B1000%7Dm%5E%7B9%7Dn%5E%7B6%7D%3D%28%5Cfrac%7B3%7D%7B10%7Dm%5E%7B3%7Dn%5E%7B2%7D%29%5E%7B3%7D%3D%280.3m%5E%7B3%7Dn%5E%7B2%7D%29%5E%7B3%7D)