Question

1/25+3/20+4/25+1/20 вычислить

Answer 1

2/5...................

Answer 2

$\frac{1}{25} + \frac{3}{20} + \frac{4}{25} + \frac{1}{20} = \frac{5}{25} + \frac{4}{20} = \frac{1}{5} + \frac{1}{5} = \frac{2}{5} =0,4$