Автор - eldanabakbergenkyzy

ПОМОГИТЕ ДАЮ 100 БАЛЛОВ ​

Ответ

Автор - akunyaastana

Ответ:

 frac{1}{3}  times (2 frac{2}{15}  times 6 frac{1}{4}  - 5 frac{1}{3}  times 1 frac{1}{8} ) + 4 frac{5}{9}  =  \  frac{1}{3}  times ( frac{32}{15}  times  frac{25}{4}  -  frac{16}{3}  times  frac{9}{8} ) + 4 frac{5}{9}  =  \  frac{1}{3}  times ( frac{8}{3}  times  frac{5}{1}  -  frac{2}{1}  times  frac{3}{1} ) + 4 frac{5}{9}  =  \  frac{1}{3}  times ( frac{40}{3}  - 6) + 4 frac{5}{9}  =  \  frac{1}{3}  times (13 frac{1}{3}  - 6) + 4 frac{5}{9}  =  \  frac{1}{3}  times  frac{28}{3}  + 4 frac{5}{9}  =  frac{28}{9}  +  4frac{5}{9}  =  \ 3 frac{1}{9}  + 4 frac{5}{9}  = 7 frac{6}{9}  = 7 frac{2}{3}

Ответ

Автор - ElectroM17

Переводим смешанные дроби в неправильные:

1) frac{1}{3} * (frac{32}{15} * frac{25}{4} - frac{16}{3} * frac{9}{8}) + frac{41}{9} = 7

1. frac{32}{15} * frac{25}{4} = frac{40}{3}

2. frac{16}{3} * frac{9}{8} = frac{6}{1}

3. frac{40}{3} - frac{6}{1} = frac{40}{3} - frac{18}{3} = frac{22}{3}

4. frac{1}{3} * frac{22}{3} = frac{22}{9}

5. frac{22}{9} + frac{41}{9} = frac{63}{9} = 7

2) frac{154}{5} - frac{7}{5} * (frac{9}{5}(frac{151}{12} - frac{343}{36}) - frac{17}{35} * frac{45}{34}) = 24

1. frac{151}{12} - frac{343}{36} = frac{453}{36} - frac{343}{36} = frac{110}{36}

2. frac{9}{5} * frac{110}{36} = frac{22}{4}

3. frac{17}{35} * frac{45}{34} = frac{9}{14}

4. frac{22}{4} - frac{9}{14} = frac{154}{28} - frac{18}{28} = frac{136}{28}

5. frac{7}{5} * frac{136}{28} = frac{136}{20}

6. frac{154}{5} - frac{136}{20} = frac{616}{20} - frac{136}{20} = frac{480}{20} = 24

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