Question

Calculaţi numerele urgent​

Answer 1

Răspuns:

$a)\:4\frac{4}{5} *1\frac{7}{8} =\frac{25}{5}*\frac{7}{8} =\frac{3}{5}*7=\frac{21}{5}$

$b)\:3\frac{1}{5} *1\frac{3}{4} =\frac{16}{5}*\frac{3}{4}=\frac{4}{5}*3=\frac{12}{5}$

$c)\:10\frac{1}{2} *5=\frac{21}{2} *5=\frac{105}{2}$

$d)\:7*3\frac{1}{4} =\frac{7*3*1}{1*1*4} =\frac{21}{4}$