来自丁祖国的问题
Twonumbersareinthetatio2:3.When4isaddedtoeachnumbertheratiochangesto5:7.Thesumofthetwooriginalnumbersis
Twonumbersareinthetatio2:3.When4isaddedtoeachnumbertheratiochangesto5:7.
Thesumofthetwooriginalnumbersis
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2020-03-14 01:19