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2-3追趕問題(學習扶助)

Authored by 曾 郁翔

Mathematics

6th Grade

Used 1+ times

2-3追趕問題(學習扶助)
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8 questions

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1.

FILL IN THE BLANK QUESTION

3 mins • 20 pts

哥哥騎腳踏車的速率是6公尺/秒,弟弟騎腳踏車的速率是4公尺/秒,弟弟在哥哥前方20公尺處,兩人同時往同方向前進,哥哥幾秒鐘後會追上弟弟?

2.

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3 mins • 20 pts

佳佳在小步前方120公尺,佳佳走路的分速是75公尺,小步走路的分速是90公尺,兩人同時同方向出發,幾分鐘後,小步可追上佳佳?

3.

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3 mins • 20 pts

姐姐游泳的速率是24公尺/分,哥哥游泳的速率是26公尺/分,兩人從起點往同方向出發,姐姐先游1公尺後,哥哥才出發,哥哥幾秒鐘後可以追上姐姐?

4.

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3 mins • 20 pts

貨車速率是55公里/時,汽車速率是60公里/時,兩車從相同的起點往同方向出發,貨車先開2公里後,汽車才出發,幾小時後汽車可以追上貨車?

5.

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3 mins • 20 pts

育文慢跑的速率是120公尺/分,意升慢跑的速率是132公尺/分,兩人在相同的起點往同方向出發,育文出發3分鐘後,意升才出發,幾分鐘後意升會追上育文?

6.

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3 mins • 20 pts

哥哥每分鐘走75公尺,弟弟每分鐘走70公尺,兩人同地同方向而行,弟弟出發2分鐘後,哥哥才出發,幾分鐘後哥哥可以追上弟弟?

7.

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3 mins • 20 pts

7-1.

莉玲和弟弟分別從家裡騎車去公園,莉玲家到公園的距離是2880公尺,莉玲騎車的分速是240公尺,弟弟騎車的分速是360公尺,莉玲出發3分鐘後弟弟才出發。弟弟出發幾分鐘後會追上莉玲?

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