Plz help to explain the logic for such word problems

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Primary 3 Maths Singapore

Plz help to explain the logic for such word problems

Date Posted: 5 years ago

Ryan Goh

5 years ago

李太太有192个红丝带多过他的蓝丝带。
过了一阵子他卖掉了38个蓝丝带。然后她有三背红丝带多过蓝丝带。他有几个红丝带呢？

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hope this helps

Date Posted: 5 years ago