Question

помогитииииии пжжжж​

Answer 1

Ответ:

$(1)9 - 2 \frac{1}{5} = 9 - \frac{11}{5} = \frac{34}{5} = 6 \frac{4}{5} (2)6 \frac{2}{9} + 2\frac{8}{9} = (6 + 2) + ( \frac{2}{9} + \frac{8}{9} ) = 8 + \frac{10}{9} = 8 + 1 \frac{1}{9} = 8 + 1 + \frac{1}{9} = 9 + \frac{1}{9} = 9 \frac{1}{9}$