Автор - lol5436

Помогите)
в) (3/7+5/14)+1/14
г) 7/15++(2/15+1/5)
д) 3/16+(1/16+5/8)
e) (1+13+1/14)+12/13

Ответ

Автор - julyap
1) (frac{6}{14} + frac{5}{14} )+ frac{1}{14} = frac{11+1}{14} = frac{12}{14} = frac{6}{7}  \  \ 2) frac{7}{15} +( frac{2}{15} + frac{3}{15} )= frac{7}{15} + frac{5}{15} = frac{9}{15} = frac{3}{5} = frac{6}{10} =0.6 \  \ 3) frac{3}{16} +( frac{1}{16} + frac{10}{16} )= frac{3}{16} + frac{11}{16} = frac{14}{16} = frac{7}{8} = frac{875}{1000} 0.875

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