1: 4 2/9 8/9
2: 9/7 5/9 3
5/6 5 7/2
3: 3/4×4=3(米)
4: 4/3×60=80(千米)
5: 1/10×8=4/5
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1: 4 2/9 8/9
2: 9/7 5/9 3
5/6 5 7/2
3: 3/4×4=3(米)
4: 4/3×60=80(千米)
5: 1/10×8=4/5
http://m.ksjqmj.com/liunianjidaan/2125.html
推荐访问