Question

Обчислити 1 7/8 * 12:3/4

Answer 1

Ответ:

$1\frac{7}{8} *12:\frac{3}{4} =\frac{15*12}{8} :\frac{3}{4} =\frac{15*3}{2} :\frac{3}{4} =\frac{45}{2} :\frac{3}{4} =\frac{45*4}{2*3} =15*2=30$