Решите, пожалуйста два примера!Срочно нужно!!
Даю много баллов
Желательно на листочке и переслать фото сюда.
Можно только один пример из двух
Приложения:
![](https://st.uroker.com/files/c43/c43e41174d5f84450a3c16009bab0a2b.jpg)
Ответы
Ответ дал:
1
а)
![\frac{3,75:1 \frac{1}{2}+1.5:3 \frac{3}{4}*2 \frac{1}{2}+(1 \frac{1}{7}- \frac{23}{49} ): \frac{22}{147}}{2:3 \frac{1}{5}+(3 \frac{1}{4}:13 ): \frac{2}{3}-(2 \frac{5}{18}- \frac{17}{36} )* \frac{18}{65} } =16 \frac{3,75:1 \frac{1}{2}+1.5:3 \frac{3}{4}*2 \frac{1}{2}+(1 \frac{1}{7}- \frac{23}{49} ): \frac{22}{147}}{2:3 \frac{1}{5}+(3 \frac{1}{4}:13 ): \frac{2}{3}-(2 \frac{5}{18}- \frac{17}{36} )* \frac{18}{65} } =16](https://tex.z-dn.net/?f=+%5Cfrac%7B3%2C75%3A1+%5Cfrac%7B1%7D%7B2%7D%2B1.5%3A3+%5Cfrac%7B3%7D%7B4%7D%2A2+%5Cfrac%7B1%7D%7B2%7D%2B%281+%5Cfrac%7B1%7D%7B7%7D-+%5Cfrac%7B23%7D%7B49%7D+%29%3A+%5Cfrac%7B22%7D%7B147%7D%7D%7B2%3A3+%5Cfrac%7B1%7D%7B5%7D%2B%283+%5Cfrac%7B1%7D%7B4%7D%3A13+%29%3A+%5Cfrac%7B2%7D%7B3%7D-%282+%5Cfrac%7B5%7D%7B18%7D-+%5Cfrac%7B17%7D%7B36%7D+%29%2A+%5Cfrac%7B18%7D%7B65%7D+%7D+%3D16)
По действиям
Числитель
![3,75:1 \frac{1}{2}=3,75:1,5=2.5 3,75:1 \frac{1}{2}=3,75:1,5=2.5](https://tex.z-dn.net/?f=3%2C75%3A1+%5Cfrac%7B1%7D%7B2%7D%3D3%2C75%3A1%2C5%3D2.5)
![1.5:3 \frac{3}{4}*2 \frac{1}{2}=1.5:3.75*2.5=1 1.5:3 \frac{3}{4}*2 \frac{1}{2}=1.5:3.75*2.5=1](https://tex.z-dn.net/?f=1.5%3A3+%5Cfrac%7B3%7D%7B4%7D%2A2+%5Cfrac%7B1%7D%7B2%7D%3D1.5%3A3.75%2A2.5%3D1)
![(1 \frac{1}{7}- \frac{23}{49} ): \frac{22}{147}=(1 \frac{7}{49}- \frac{23}{49} )* \frac{147}{22}=(1 - \frac{16}{49} )* \frac{147}{22}= \frac{33}{49}* \frac{147}{22}= \\ = \frac{3}{49}* \frac{147}{2}=\frac{3}{1}* \frac{3}{2}=9/2=4.5 (1 \frac{1}{7}- \frac{23}{49} ): \frac{22}{147}=(1 \frac{7}{49}- \frac{23}{49} )* \frac{147}{22}=(1 - \frac{16}{49} )* \frac{147}{22}= \frac{33}{49}* \frac{147}{22}= \\ = \frac{3}{49}* \frac{147}{2}=\frac{3}{1}* \frac{3}{2}=9/2=4.5](https://tex.z-dn.net/?f=%281+%5Cfrac%7B1%7D%7B7%7D-+%5Cfrac%7B23%7D%7B49%7D+%29%3A+%5Cfrac%7B22%7D%7B147%7D%3D%281+%5Cfrac%7B7%7D%7B49%7D-+%5Cfrac%7B23%7D%7B49%7D+%29%2A+%5Cfrac%7B147%7D%7B22%7D%3D%281+-+%5Cfrac%7B16%7D%7B49%7D+%29%2A+%5Cfrac%7B147%7D%7B22%7D%3D+%5Cfrac%7B33%7D%7B49%7D%2A+%5Cfrac%7B147%7D%7B22%7D%3D+%5C%5C+%3D+%5Cfrac%7B3%7D%7B49%7D%2A+%5Cfrac%7B147%7D%7B2%7D%3D%5Cfrac%7B3%7D%7B1%7D%2A+%5Cfrac%7B3%7D%7B2%7D%3D9%2F2%3D4.5)
2,5+1+4,5=8
Знаменатель
![2:3 \frac{1}{5}=2:3,2=0,625 2:3 \frac{1}{5}=2:3,2=0,625](https://tex.z-dn.net/?f=2%3A3+%5Cfrac%7B1%7D%7B5%7D%3D2%3A3%2C2%3D0%2C625)
![(3 \frac{1}{4}:13 ): \frac{2}{3}=(3,25:13 )*\frac{3}{2}=0,25*3/2=0,75/2=0,375 (3 \frac{1}{4}:13 ): \frac{2}{3}=(3,25:13 )*\frac{3}{2}=0,25*3/2=0,75/2=0,375](https://tex.z-dn.net/?f=%283+%5Cfrac%7B1%7D%7B4%7D%3A13+%29%3A+%5Cfrac%7B2%7D%7B3%7D%3D%283%2C25%3A13+%29%2A%5Cfrac%7B3%7D%7B2%7D%3D0%2C25%2A3%2F2%3D0%2C75%2F2%3D0%2C375)
![(2 \frac{5}{18}- \frac{17}{36} )* \frac{18}{65} =(2 \frac{10}{36}- \frac{17}{36} )* \frac{18}{65} =(2- \frac{7}{36} )* \frac{18}{65} =1 \frac{29}{36} * \frac{18}{65} = \\ =\frac{65}{36} * \frac{18}{65} =18/36=1/2=0,5 (2 \frac{5}{18}- \frac{17}{36} )* \frac{18}{65} =(2 \frac{10}{36}- \frac{17}{36} )* \frac{18}{65} =(2- \frac{7}{36} )* \frac{18}{65} =1 \frac{29}{36} * \frac{18}{65} = \\ =\frac{65}{36} * \frac{18}{65} =18/36=1/2=0,5](https://tex.z-dn.net/?f=%282+%5Cfrac%7B5%7D%7B18%7D-+%5Cfrac%7B17%7D%7B36%7D+%29%2A+%5Cfrac%7B18%7D%7B65%7D+%3D%282+%5Cfrac%7B10%7D%7B36%7D-+%5Cfrac%7B17%7D%7B36%7D+%29%2A+%5Cfrac%7B18%7D%7B65%7D+%3D%282-+%5Cfrac%7B7%7D%7B36%7D+%29%2A+%5Cfrac%7B18%7D%7B65%7D+%3D1+%5Cfrac%7B29%7D%7B36%7D+%2A+%5Cfrac%7B18%7D%7B65%7D+%3D+%5C%5C+%3D%5Cfrac%7B65%7D%7B36%7D+%2A+%5Cfrac%7B18%7D%7B65%7D+%3D18%2F36%3D1%2F2%3D0%2C5)
0,625+0,375-0,5=0,5
Итог
8/0,5=80/5=16
б)
![\frac{((3 \frac{7}{12}-2 \frac{11}{18}+2 \frac{1}{24})*1 \frac{5}{31}-1 \frac{3}{52}(3 \frac{1}{2}+ \frac{5}{6}))*1 \frac{7}{13}}{ \frac{19}{84}:(5 \frac{13}{42}-2 \frac{13}{28}+ \frac{5}{24})+1 \frac{2}{27}- \frac{1}{3}* \frac{4}{9}}=-1 \frac{2}{3} \frac{((3 \frac{7}{12}-2 \frac{11}{18}+2 \frac{1}{24})*1 \frac{5}{31}-1 \frac{3}{52}(3 \frac{1}{2}+ \frac{5}{6}))*1 \frac{7}{13}}{ \frac{19}{84}:(5 \frac{13}{42}-2 \frac{13}{28}+ \frac{5}{24})+1 \frac{2}{27}- \frac{1}{3}* \frac{4}{9}}=-1 \frac{2}{3}](https://tex.z-dn.net/?f=+%5Cfrac%7B%28%283+%5Cfrac%7B7%7D%7B12%7D-2+%5Cfrac%7B11%7D%7B18%7D%2B2+%5Cfrac%7B1%7D%7B24%7D%29%2A1+%5Cfrac%7B5%7D%7B31%7D-1+%5Cfrac%7B3%7D%7B52%7D%283+%5Cfrac%7B1%7D%7B2%7D%2B+%5Cfrac%7B5%7D%7B6%7D%29%29%2A1+%5Cfrac%7B7%7D%7B13%7D%7D%7B+%5Cfrac%7B19%7D%7B84%7D%3A%285+%5Cfrac%7B13%7D%7B42%7D-2+%5Cfrac%7B13%7D%7B28%7D%2B+%5Cfrac%7B5%7D%7B24%7D%29%2B1+%5Cfrac%7B2%7D%7B27%7D-+%5Cfrac%7B1%7D%7B3%7D%2A+%5Cfrac%7B4%7D%7B9%7D%7D%3D-1+%5Cfrac%7B2%7D%7B3%7D)
По действиям
Числитель
![3 \frac{7}{12}-2 \frac{11}{18}+2 \frac{1}{24}=3 \frac{14}{24}-2 \frac{11}{18}+2 \frac{1}{24}=5 \frac{15}{24}-2 \frac{11}{18}=5 \frac{45}{72}-2 \frac{44}{72}=3 \frac{1}{72} 3 \frac{7}{12}-2 \frac{11}{18}+2 \frac{1}{24}=3 \frac{14}{24}-2 \frac{11}{18}+2 \frac{1}{24}=5 \frac{15}{24}-2 \frac{11}{18}=5 \frac{45}{72}-2 \frac{44}{72}=3 \frac{1}{72}](https://tex.z-dn.net/?f=3+%5Cfrac%7B7%7D%7B12%7D-2+%5Cfrac%7B11%7D%7B18%7D%2B2+%5Cfrac%7B1%7D%7B24%7D%3D3+%5Cfrac%7B14%7D%7B24%7D-2+%5Cfrac%7B11%7D%7B18%7D%2B2+%5Cfrac%7B1%7D%7B24%7D%3D5+%5Cfrac%7B15%7D%7B24%7D-2+%5Cfrac%7B11%7D%7B18%7D%3D5+%5Cfrac%7B45%7D%7B72%7D-2+%5Cfrac%7B44%7D%7B72%7D%3D3+%5Cfrac%7B1%7D%7B72%7D+)
![3 \frac{1}{72} *1 \frac{5}{31}= \frac{217}{72} *\frac{36}{31}=\frac{7}{72} *\frac{36}{1}=\frac{7}{2} *\frac{1}{1}=7/2=3,5 3 \frac{1}{72} *1 \frac{5}{31}= \frac{217}{72} *\frac{36}{31}=\frac{7}{72} *\frac{36}{1}=\frac{7}{2} *\frac{1}{1}=7/2=3,5](https://tex.z-dn.net/?f=3+%5Cfrac%7B1%7D%7B72%7D+%2A1+%5Cfrac%7B5%7D%7B31%7D%3D+%5Cfrac%7B217%7D%7B72%7D+%2A%5Cfrac%7B36%7D%7B31%7D%3D%5Cfrac%7B7%7D%7B72%7D+%2A%5Cfrac%7B36%7D%7B1%7D%3D%5Cfrac%7B7%7D%7B2%7D+%2A%5Cfrac%7B1%7D%7B1%7D%3D7%2F2%3D3%2C5)
![3 \frac{1}{2}+ \frac{5}{6}=3 \frac{3}{6}+ \frac{5}{6}=3 \frac{8}{6}=4 \frac{2}{6}=4 \frac{1}{3} 3 \frac{1}{2}+ \frac{5}{6}=3 \frac{3}{6}+ \frac{5}{6}=3 \frac{8}{6}=4 \frac{2}{6}=4 \frac{1}{3}](https://tex.z-dn.net/?f=3+%5Cfrac%7B1%7D%7B2%7D%2B+%5Cfrac%7B5%7D%7B6%7D%3D3+%5Cfrac%7B3%7D%7B6%7D%2B+%5Cfrac%7B5%7D%7B6%7D%3D3+%5Cfrac%7B8%7D%7B6%7D%3D4+%5Cfrac%7B2%7D%7B6%7D%3D4+%5Cfrac%7B1%7D%7B3%7D)
![1 \frac{3}{52}*4 \frac{1}{3}=\frac{55}{52}* \frac{13}{3}=\frac{55}{4}* \frac{1}{3}=55/12=4 \frac{7}{12} 1 \frac{3}{52}*4 \frac{1}{3}=\frac{55}{52}* \frac{13}{3}=\frac{55}{4}* \frac{1}{3}=55/12=4 \frac{7}{12}](https://tex.z-dn.net/?f=1+%5Cfrac%7B3%7D%7B52%7D%2A4+%5Cfrac%7B1%7D%7B3%7D%3D%5Cfrac%7B55%7D%7B52%7D%2A+%5Cfrac%7B13%7D%7B3%7D%3D%5Cfrac%7B55%7D%7B4%7D%2A+%5Cfrac%7B1%7D%7B3%7D%3D55%2F12%3D4++%5Cfrac%7B7%7D%7B12%7D+)
![3,5-4 \frac{7}{12}=3 \frac{5}{10} -4 \frac{7}{12}=3 \frac{1}{2} -4 \frac{7}{12}=3 \frac{6}{12} -4 \frac{7}{12}=\frac{6}{12} -1 \frac{7}{12}= \\ =0 -1 \frac{1}{12}=-1 \frac{1}{12} 3,5-4 \frac{7}{12}=3 \frac{5}{10} -4 \frac{7}{12}=3 \frac{1}{2} -4 \frac{7}{12}=3 \frac{6}{12} -4 \frac{7}{12}=\frac{6}{12} -1 \frac{7}{12}= \\ =0 -1 \frac{1}{12}=-1 \frac{1}{12}](https://tex.z-dn.net/?f=3%2C5-4+%5Cfrac%7B7%7D%7B12%7D%3D3+%5Cfrac%7B5%7D%7B10%7D+-4+%5Cfrac%7B7%7D%7B12%7D%3D3+%5Cfrac%7B1%7D%7B2%7D+-4+%5Cfrac%7B7%7D%7B12%7D%3D3+%5Cfrac%7B6%7D%7B12%7D+-4+%5Cfrac%7B7%7D%7B12%7D%3D%5Cfrac%7B6%7D%7B12%7D+-1+%5Cfrac%7B7%7D%7B12%7D%3D+%5C%5C+%3D0+-1+%5Cfrac%7B1%7D%7B12%7D%3D-1+%5Cfrac%7B1%7D%7B12%7D)
![-1 \frac{1}{12}*1 \frac{7}{13}=- \frac{13}{12}* \frac{20}{13}=-20/12=-5/3=-1 \frac{2}{3} -1 \frac{1}{12}*1 \frac{7}{13}=- \frac{13}{12}* \frac{20}{13}=-20/12=-5/3=-1 \frac{2}{3}](https://tex.z-dn.net/?f=-1+%5Cfrac%7B1%7D%7B12%7D%2A1+%5Cfrac%7B7%7D%7B13%7D%3D-+%5Cfrac%7B13%7D%7B12%7D%2A+%5Cfrac%7B20%7D%7B13%7D%3D-20%2F12%3D-5%2F3%3D-1+%5Cfrac%7B2%7D%7B3%7D+)
Знаменатель
![5 \frac{13}{42}-2 \frac{13}{28}+ \frac{5}{24}=5 \frac{52}{168}-2 \frac{78}{168}+ \frac{35}{168}=5 \frac{87}{168}-2 \frac{78}{168}=3 \frac{9}{168}=3 \frac{3}{56} 5 \frac{13}{42}-2 \frac{13}{28}+ \frac{5}{24}=5 \frac{52}{168}-2 \frac{78}{168}+ \frac{35}{168}=5 \frac{87}{168}-2 \frac{78}{168}=3 \frac{9}{168}=3 \frac{3}{56}](https://tex.z-dn.net/?f=5+%5Cfrac%7B13%7D%7B42%7D-2+%5Cfrac%7B13%7D%7B28%7D%2B+%5Cfrac%7B5%7D%7B24%7D%3D5+%5Cfrac%7B52%7D%7B168%7D-2+%5Cfrac%7B78%7D%7B168%7D%2B+%5Cfrac%7B35%7D%7B168%7D%3D5+%5Cfrac%7B87%7D%7B168%7D-2+%5Cfrac%7B78%7D%7B168%7D%3D3+%5Cfrac%7B9%7D%7B168%7D%3D3+%5Cfrac%7B3%7D%7B56%7D)
![\frac{19}{84}:3 \frac{3}{56}=\frac{19}{84}: \frac{171}{56}=\frac{19}{84}* \frac{56}{171}=\frac{1}{84}* \frac{56}{9}=\frac{1}{3}* \frac{2}{9}=2/27 \frac{19}{84}:3 \frac{3}{56}=\frac{19}{84}: \frac{171}{56}=\frac{19}{84}* \frac{56}{171}=\frac{1}{84}* \frac{56}{9}=\frac{1}{3}* \frac{2}{9}=2/27](https://tex.z-dn.net/?f=%5Cfrac%7B19%7D%7B84%7D%3A3+%5Cfrac%7B3%7D%7B56%7D%3D%5Cfrac%7B19%7D%7B84%7D%3A+%5Cfrac%7B171%7D%7B56%7D%3D%5Cfrac%7B19%7D%7B84%7D%2A+%5Cfrac%7B56%7D%7B171%7D%3D%5Cfrac%7B1%7D%7B84%7D%2A+%5Cfrac%7B56%7D%7B9%7D%3D%5Cfrac%7B1%7D%7B3%7D%2A+%5Cfrac%7B2%7D%7B9%7D%3D2%2F27)
1/3*4/9=4/27
2/27+1 2/27-4/27=1 4/27-4/27=1
Итог
-1 2/3 :1=-1 2/3
По действиям
Числитель
2,5+1+4,5=8
Знаменатель
0,625+0,375-0,5=0,5
Итог
8/0,5=80/5=16
б)
По действиям
Числитель
Знаменатель
1/3*4/9=4/27
2/27+1 2/27-4/27=1 4/27-4/27=1
Итог
-1 2/3 :1=-1 2/3
missdianazoo:
Хорошо, буду ждать продолжения) Спасибо огромное! Вы меня буквально спасли...
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