![image](https://tex.z-dn.net/?f=7.%5C%3B1-%5Cfrac5%7B17%7D-%5Cfrac4%7B17%7D%3D%5Cfrac%7B17-5-4%7D%7B17%7D%3D%5Cfrac8%7B17%7D%5C%5C8.%5C%3B%5Cfrac%7B12%7D%7B12%7D%2C%5C%3B%5Cfrac%7B137%7D%7B50%7D%2C%5C%3B%5Cfrac%7B223%7D%7B223%7D%5C%5CBCE%5CGamma+O%5C%3B-%5C%3B3%5C%5C9.%5C%3BO3%3DHOK%2812%3B%5C%3B32%3B%5C%3B15%29%5C%5C12%3D2%5Ccdot2%5Ccdot3%3D2%5E2%5Ccdot3%5C%5C32%3D2%5Ccdot2%5Ccdot2%5Ccdot2%5Ccdot2%3D2%5E5%5C%5C15%3D3%5Ccdot5%5C%5CHOK%2812%3B%5C%3B32%3B%5C%3B15%29%3D2%5E5%5Ccdot3%5Ccdot5%3D32%5Ccdot3%5Ccdot5%3D480%5C%5C10.%5C%3B1%29%5C%3B11%3D11%2C%5C%3B19%3C23%5CRightarrow%5C%3Ba%3Eb%5C%5C2%29%5C%3Ba%3D%5Cfrac5%7B18%7D%3D%5Cfrac%7B15%7D%7B36%7D%2C%5C%3Bb%3D%5Cfrac7%7B12%7D%3D%5Cfrac%7B21%7D%7B36%7D)
b\\2)\;a=\frac5{18}=\frac{15}{36},\;b=\frac7{12}=\frac{21}{36}" alt="7.\;1-\frac5{17}-\frac4{17}=\frac{17-5-4}{17}=\frac8{17}\\8.\;\frac{12}{12},\;\frac{137}{50},\;\frac{223}{223}\\BCE\Gamma O\;-\;3\\9.\;O3=HOK(12;\;32;\;15)\\12=2\cdot2\cdot3=2^2\cdot3\\32=2\cdot2\cdot2\cdot2\cdot2=2^5\\15=3\cdot5\\HOK(12;\;32;\;15)=2^5\cdot3\cdot5=32\cdot3\cdot5=480\\10.\;1)\;11=11,\;19<23\Rightarrow\;a>b\\2)\;a=\frac5{18}=\frac{15}{36},\;b=\frac7{12}=\frac{21}{36}" align="absmiddle" class="latex-formula">