Question

3(b,c,d,e,f)
4(b,c,d,e,f)
5(b,c,d,e,f)
va rog dau coroană ​

Answer 1

Răspuns:

3.

 $b)\frac{6}{5} *\frac{1}{7} =\frac{6}{35} \\c)4*\frac{5}{6} =\frac{10}{3} \\\\d)6*\frac{5}{4} =\frac{15}{2} \\e)9*\frac{7}{3} =3*7=21\\f)8*\frac{5}{6} =\frac{20}{3}$

4.

$b)\frac{7}{8} *\frac{5}{3} =\frac{35}{24} \\\\c)\frac{9}{4}*\frac{5}{2} =\frac{45}{8}\\\\d)\frac{8}{9} *\frac{7}{3} =\frac{56}{27} \\\\e)\frac{5}{9}*\frac{2}{7}=\frac{10}{63} \\\\f)\frac{6}{5} *\frac{8}{7} =\frac{48}{35\\}$

5.

$b)\frac{6}{7}*\frac{5}{9} =\frac{30}{63} =\frac{10}{21}\\\\c) \frac{8}{7}*\frac{3}{4}=\frac{24}{28}=\frac{6}{7}\\\\d) \frac{9}{8}*\frac{2}{5} =\frac{9}{20} \\\\e) \frac{6}{5}*\frac{7}{9} = \frac{14}{15}\\\\f) \frac{4}{5} *\frac{3}{2} =\frac{6}{5}$