Question

Выполните действия: a)2/5 х 3/8; б)5 х 2/11; в)3/5 x 10/21; г)3/5 х 1 2/3; д)15/16 x 8/9; е)3 1/2 x 1 3/8

Answer 1

$2/5 * 3/8=0,15$
$5 * 2/11= \frac{10}{11}$
$3/5 * 10/21= \frac{30}{105} =\frac{2}{7}$
$3/5 * 1 \frac{2}{3}= 1$
$15/16 * 8/9= \frac{15}{18} = \frac{5}{6}$
$3,5 * 1 \frac{3}{8} =4,8125$