分數功課唔識

143/182=11/14

3/4, 2/4, 4/5, 13/20, 20, 9

=10/20<13/20<15/20<16/20<9<20
=2/4<13/20<3/4<4/5<9<20

3/8, 3又1/2, 2又1/3, 2又6/5, 19/6

=3又1/2>2又6/5>19/6>2又1/3>3/8

2014-08-06 14:06:16 補充：
2又6/5應約去3又1/5

呢個問題好似問X錯左....大哥大哥