
2021_F2_Maths_CH1 率和比
Authored by shun lin
Mathematics
7th - 8th Grade
CCSS covered
Used 49+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3000秒 = ?分鐘
3000 ÷ 60
3000 ÷ 60 ÷ 60
3000 × 60
3000 × 60 × 60
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
距離84米,時間7秒,速率=?m/s
7÷ 84
84 × 7
84 ÷ 7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
跑車以每小時50公里移動,2小時後,移動了多少公里?
50÷ 2
50 × 2
2 ÷ 50
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一架飛機由香港飛往北京,約飛行了1980公里,飛行時間約是2.5小時,求飛機飛行的平均速率是多少公里每小時?
1980 × 2.5
1980÷1000÷2.5
1980÷2.5
1980÷2.5×60
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
卓峰跑100米,用了25秒,他的平均速率是多少米每秒?
100 X 10 ÷ 25
100 × 25
100 ÷ 25
100 ÷ 25 × 60
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
時間45秒,速率0.5米每秒,它的距離是多少米?
45 ÷ 0.5
0.5 × 45
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知速率是50公里每小時,行10公里,需要多少時間?
0.1 小時
0.2 小時
0.5 小時
5 小時
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