白車車速是95公里/時,黑車車速是75公里/時,兩車在相同的起點往同方向出發,黑車先出發30公里後,白車
才出發,幾小時後,白車會追上黑車?
練習百分百2
Quiz
•
Mathematics
•
6th Grade
•
Medium
柏任 陳
Used 1+ times
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12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
白車車速是95公里/時,黑車車速是75公里/時,兩車在相同的起點往同方向出發,黑車先出發30公里後,白車
才出發,幾小時後,白車會追上黑車?
0.5小時
1小時
1.5小時
2小時
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
遊艇在靜水時的船速是11公里/時,去程的航行速率是9公里/時,回程的航行速率是13公里/時,遊艇在什麼時候
是順流航行?
去程
回程
去程回程都是
去程回程都不是
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
直線車道上有兩臺遙控汽車,橘車的速率是300公尺/分,綠車的速率是325公尺/分。
如果兩車同時同地反方向出發,3分鐘後,兩車相距幾公尺?(單位不必寫)
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
直線車道上有兩臺遙控汽車,橘車的速率是300公尺/分,綠車的速率是325公尺/分。
如果兩車同時同地同方向出發,2分鐘後,兩車相距幾公尺?(單位不必寫)
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
直線車道上有兩臺遙控汽車,橘車的速率是300公尺/分,綠車的速率是325公尺/分。
如果兩車相拒1250公尺,同時相向出發,幾分鐘後會相遇?(單位不必寫)
6.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
河流的水流速率是2公里/時,閃電號快艇在靜水時的船速是50公里/時,甲、乙兩地相距26公里,閃電號快艇從甲地順流航行到乙地,要花幾小時?(單位不必寫)
7.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
甲車的速率是0.75公里/分,乙車的速率是0.9公里/分,兩車從相同的起點往同方向出發,甲車先出發2分鐘後,乙車才開始出發,幾分鐘後乙車能追上甲車?(單位不必寫)
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