Question

tính bằng cách thuận tiện nhất

3/2 : 4/3 : 5/4

Answer 1

\(\frac{3}{2}:\frac{4}{3}:\frac{5}{4}=\frac{3}{2}.\frac{3}{4}.\frac{4}{5}=\frac{3}{2}.\frac{3}{5}=\frac{9}{10}\)

Answer 2

3/2:4/3:5/4

=3/2 . 3/4 .4/5

=9/8 .4/5

=9/10