已知上山速率和下山速率,如果要求平均速率,應該將上、下山的總距離÷總時間。

學扶-速率-2-1

Quiz
•
Mathematics
•
6th Grade
•
Medium
陳芳雯 陳芳雯
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
芸熙參加來回10公里的山路健行,她以時速3公里的速度上山,再以時速5公里的速度下山,她的平均速率是每小時4公里。
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
從佑每分鐘走65公尺,安志每分鐘走73公尺,兩人同時同地往反方向出發,1分鐘後,兩人相距( )公尺。
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
從佑每分鐘走65公尺,安志每分鐘走73公尺,兩人同時同地往反方向出發,30分鐘後,兩人相距( )公尺。
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
從佑每分鐘走65公尺,安志每分鐘走73公尺,兩人同時同地往同方向出發,1分鐘後,兩人相距( )公尺。
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
從佑每分鐘走65公尺,安志每分鐘走73公尺,兩人同時同地往同方向出發,20分鐘後,兩人相距( )公尺。
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
1. 妮妮和奇奇分別以每小時4公里和每小時4.8公里的時速,同時同地出發,往相反方向而行,1.5小時後,兩人相距( )公里。
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