Question

а) (17/30 - 2/15) разделить на 13 б) (1/2 - 1/3) *3

Answer 1

$\( frac{17}{30} - frac{2}{15}) : 13 = (frac{17}{30} - frac{4}{30}) * frac{1}{13} = frac{13}{30} * frac{1}{13} = frac{1}{30}$

$\ (frac{1}{2} - frac{1}{3}) * 3 = (frac{3}{6} - frac{2}{6}) * 3 = frac{1}{6} * 3 = frac{1}{2}$