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4 2/11 - 1 9/11 = 3 13/11 - 1 9/11 = 2 4/11
6 4/23 - (3 - 2 8/23) + 5 16/23 =11 5/23
1) 2 23/23 - 2 8/23 = 15/23
2) 6 4/23 - 15/23 = 5 27/23 - 15/23 = 5 12/23
3) 5 12/23 + 5 16/23 = 10 28/23 = 11 5/23
6 4/23 - (3 - 2 8/23) + 5 16/23 =11 5/23
1) 2 23/23 - 2 8/23 = 15/23
2) 6 4/23 - 15/23 = 5 27/23 - 15/23 = 5 12/23
3) 5 12/23 + 5 16/23 = 10 28/23 = 11 5/23
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1)
![4 frac{2}{11} -1 frac{9}{11} =3 frac{13}{11} -1 frac{9}{11} =2 frac{4}{11} 4 frac{2}{11} -1 frac{9}{11} =3 frac{13}{11} -1 frac{9}{11} =2 frac{4}{11}](https://tex.z-dn.net/?f=4+frac%7B2%7D%7B11%7D+-1+frac%7B9%7D%7B11%7D+%3D3+frac%7B13%7D%7B11%7D+-1+frac%7B9%7D%7B11%7D+%3D2+frac%7B4%7D%7B11%7D)
2)
![6 frac{4}{23} -(3 -2frac{8}{23} )+5 frac{16}{23} =\
1) 3 -2frac{8}{23}=2 frac{23}{23} -2frac{8}{23}= frac{15}{23} \
2)6 frac{4}{23} -frac{15}{23} =5 frac{27}{23} -frac{15}{23} =5 frac{12}{23} \
3) 5 frac{12}{23}+5 frac{16}{23} =10 frac{28}{23} =11 frac{5}{23} 6 frac{4}{23} -(3 -2frac{8}{23} )+5 frac{16}{23} =\
1) 3 -2frac{8}{23}=2 frac{23}{23} -2frac{8}{23}= frac{15}{23} \
2)6 frac{4}{23} -frac{15}{23} =5 frac{27}{23} -frac{15}{23} =5 frac{12}{23} \
3) 5 frac{12}{23}+5 frac{16}{23} =10 frac{28}{23} =11 frac{5}{23}](https://tex.z-dn.net/?f=6+frac%7B4%7D%7B23%7D+-%283+-2frac%7B8%7D%7B23%7D+%29%2B5+frac%7B16%7D%7B23%7D+%3D%5C%0A1%29+3+-2frac%7B8%7D%7B23%7D%3D2+frac%7B23%7D%7B23%7D++-2frac%7B8%7D%7B23%7D%3D+frac%7B15%7D%7B23%7D+%5C%0A2%296+frac%7B4%7D%7B23%7D+-frac%7B15%7D%7B23%7D+%3D5+frac%7B27%7D%7B23%7D+-frac%7B15%7D%7B23%7D+%3D5+frac%7B12%7D%7B23%7D+%5C%0A3%29+5+frac%7B12%7D%7B23%7D%2B5+frac%7B16%7D%7B23%7D+%3D10+frac%7B28%7D%7B23%7D+%3D11+frac%7B5%7D%7B23%7D+)
2)
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