Question

вычисление 21/26:14/39-2

Answer 1

Ответ:

$\frac{21}{26} :\frac{14}{39} - 2=0,25 \\\\\frac{21}{26} : \frac{14}{39} =\frac{21*39}{26* 14} =\frac{9}{4} =2\frac{1}{4} \\\\2\frac{1}{4} - 2 = \frac{1}{4} = 0,25$