Question

21\14 x21\9 cum se rezolva ???

Answer 1

$\frac{21}{14} * \frac{21}{9}= \frac{21}{2} * \frac{3}{9} = \frac{21}{2}* \frac{1}{3}= \frac{21}{6}=3,5$

Answer 2

21/14×21/9=
se inmulteste separat  numaratorii
se inmulteste separat numaratorii
21×21/14×9=441/126=3.5
sucees