问题标题:
(约分)35/4952/39121/88120/7536/5477/21(通分)7/15和14/455/24和11/362/3,6/7和4/15(约分)35/49.52/39.121/88.120/75.36/54.77/21.(通分)7/15和14/45.5/24和11/36.2/3,6/7和4/15.
问题描述:
(约分)35/4952/39121/88120/7536/5477/21(通分)7/15和14/455/24和11/362/3,6/7和4/15
(约分)35/49.52/39.121/88.120/75.36/54.77/21.(通分)7/15和14/45.5/24和11/36.2/3,6/7和4/15.
李邦祥回答:
5/7,4/3,11/8,8/5,2/3,11/3
21/45和14/45,15/72和22/72,70/105和90/105和28/105
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