Question

$\frac{4}{5} + \frac{1}{10}$
Решите просто так дам 20 баллов :)

Answer 1

$1) \frac{4}{5} + \frac{1}{10} = \frac{4*2}{5*2} + \frac{1}{10} = \frac{8}{10} + \frac{1}{10} = \frac{8+1}{10} = \frac{9}{10} =0.9 \\ \\ \\ 2) \frac{4}{5} + \frac{1}{10}= 0.8 + 0.1 = 0.9$