7/10+12/25, 1-5/11, 1+7/13, 3/8 умн. на 8/11, - вопрос №122082171012251511171338811793105612 от помогитебиология 01.03.2020 01:39

Question

Математика: 7/10+12/25, 1-5/11, 1+7/13, 3/8 умн. на 8/11, 7/9 умн. на 3/10, 5/6 умн. на 12/25 умн. на 18/11​​

помогитебиология · Answer

[tex]rac{7}{10} + rac{12}{25} = rac{35}{50} + rac{24}{50} = rac{59}{50} = 1rac{9}{50} = 1, - rac{5}{11} = rac{6}{11} + rac{7}{13} = 1rac{7}{13}{3}{8} * rac{8}{11} = rac{3*8}{8*11} = rac{3}{11}{7}{9} * rac{3}{10} = rac{7*3}{9*10} = rac{7}{30}{5}{6} * rac{12}{25} * rac{18}{11} = rac{5*12*18}{6*25*11} = rac{1*2*18}{1*5*11} = rac{36}{55}[/tex]...

7/10+12/25, 1-5/11, 1+7/13, 3/8 умн. на 8/11, 7/9 умн. на 3/10, 5/6 умн. на 12/25 умн. на 18/11​​

7/10+12/25, 1-5/11, 1+7/13, 3/8 умн. на 8/11, 7/9 умн. на 3/10, 5/6 умн. на 12/25 умн. на 18/11