1.3个2/9
2.6.25里含有多少个1.25
3.2/5×3,2/5×1.5
2/5×1/3
4.(2/5)/(1/3)
(2/5)/3,(2/5)/1.5
5.1/1000也就是0.001,14/15
6.8.849,58.93
7.0,
1,
49/225,
14/15
8.60
1.3个2/9
2.6.25里含有多少个1.25
3.2/5×3,2/5×1.5
2/5×1/3
4.(2/5)/(1/3)
(2/5)/3,(2/5)/1.5
5.1/1000也就是0.001,14/15
6.8.849,58.93
7.0,
1,
49/225,
14/15
8.60