yemaoxt19
幼苗
共回答了25个问题采纳率:80% 举报
8:2/7
=56/7:2/7
=28:1
=28
25:35
=5:7
=5/7
26:13
=2:1
=2
2/5:5/18
=36/90:25/90
=36:25
=36/25
8/7:24
=8/7:168/7
=8:168
=1:21
=1/21
接着解
2/5:4/15=6/15:4/15=3:2=3/2
5/6:5/18=15/18:5/18=3:1=3
8/7:24=1/7:3=1:21=1/21
祝学习进步,望采纳~~
1年前
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