Question

Найдите значение выражения
О. 7 5/18-3 2/27-11/54
С. 8 7/12-4 5/18-1 1/4
У. 9 3/20-2 3/25-4
Г. 5 11/42-2 3/14-1 1/21
Л. 13-5 7/12-1 4/15
Б. 11-6 13/21-3/14

Answer 1

О.
$7 frac{5}{18} - 3 frac{2}{27} - frac{11}{54} = 7 frac{15}{54} - 3 frac{4}{54} \ - frac{11}{54} = 4 frac{11}{54} - frac{11}{54} = 4$
С.
$8 frac{7}{12} - 4 frac{5}{18} - 1 frac{1}{4} = 8 frac{21}{36} - 4 frac{10}{36} \ - 1 frac{9}{36} = 4 frac{11}{36} - 1 frac{9}{36} = 3 frac{2}{36} =$
$= 3 frac{1}{18}$
У.
$9 frac{3}{20} - 2 frac{3 }{25} - 4 = \ 9 frac{15}{100} - 2 frac{12}{100} - 4 = 7 frac{3}{100} - 4 =$
$= 3 frac{3}{100}$
Г.
$5 frac{11}{42} - 2 frac{3}{14} - 1 frac{1}{21} = 5 frac{11}{42} - 2 frac{9}{42} \ - 1 frac{2}{42} = 2$
Л.
$13 - 5 frac{7}{12} - 1 frac{4}{15} = 12 frac{60}{60} - 5 frac{35}{60 } \ - 1 frac{16}{60} = 6 frac{9}{60} = 6 frac{3}{20}$
Б.
$11 - 6 frac{13}{21} - frac{3}{14} = 10 frac{42}{42} - 6 frac{26}{42} \ - frac{9}{42} = 4 frac{16}{42} - frac{9}{42} = 4 frac{7}{42} = 4 frac{1}{6}$