Question

вычислите,,,,,,,,,дроби

Answer 1

$frac{4}{9} - frac{5}{12} = frac{24}{36} - frac{15}{36}= frac{9}{36} } = frac{1}{4}$
$frac{1}{4} + 0,75= frac{1}{4} + frac{3}{4} = 1$
1* $frac{3}{7} = frac{3}{7}$