Question

найдите разность 9 8/17 - 5, 8 - 5/19, 9 - 5 1/2, 6 - 8/9

Answer 1

$9 frac{8}{17} -5= frac{9*8}{17} - frac{5*17}{17} = frac{72-85}{17} =- frac{13}{17} \ \ 8- frac{5}{19} = frac{8*19}{19} - frac{5}{19} = frac{152-5}{19} = frac{147}{19} =7 frac{14}{19} \ \ 9-5 frac{1}{2} = frac{9*2}{2} - frac{5}{2} = frac{18-5}{2} = frac{13}{2} =6 frac{1}{2} \ \ 6- frac{8}{9} = frac{6*9}{9} - frac{8}{9} = frac{54-8}{9} = frac{46}{9} =5 frac{1}{9}$

Answer 2

8-5/18 выходить 7 14/18

Answer 3

не 18 а 19