39:13化简比

39:13化简比求比值

39:13化简比求比值...39:13化简比求比值

39:13/14化简比

39:13/14化简比...39:13/14化简比

13/28:3.9化简比

13/28:3.9化简比...13/28:3.9化简比

39:91化简比

39:91化简比...39:91化简比

13:39化简比并求比值

13:39化简比并求比值...13:39化简比并求比值

38:133化简比

38:133化简比...38:133化简比

29:13化简比

29:13化简比...29:13化简比

9.6:315化简比

9.6:315化简比...9.6:315化简比

38:57化简比

38:57化简比...38:57化简比

34:51化简比

34:51化简比...34:51化简比