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百分率的應用

Authored by Chan Yee Ping

Mathematics

6th Grade

Used 4+ times

百分率的應用
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16 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

宇軒有 $400,他用了其中的70%,並把餘下的儲起來。他儲蓄了多少?

400 × 70%
400 × (1 - 70%)
400 ÷ 70%
400 ÷ (1 - 70%)

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

某班有25名男生,女生的數目是男生的40%。求女生數目。

25 × 40%
25 × (1 - 40%)
25 ÷ 40%
25 ÷ (1 - 40%)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

口罩原有50個,現已使用19個,未用的口罩佔全部的百分之幾?

501950×100%\frac{50-19}{50}\times100\%

1950×100%\frac{19}{50}\times100\%

195019×100%\frac{19}{50-19}\times100\%

501919×100%\frac{50-19}{19}\times100\%

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

圖中2元硬幣的數量是5元硬幣的百分之幾?

35×100%\frac{3}{5}\times100\%

53×100%\frac{5}{3}\times100\%

35+3×100%\frac{3}{5+3}\times100\%

55+3×100%\frac{5}{5+3}\times100\%

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

圖中5元硬幣的數量比2元硬幣少百分之幾?

35×100%\frac{3}{5}\times100\%

535×100%\frac{5-3}{5}\times100\%

533×100%\frac{5-3}{3}\times100\%

53×100%\frac{5}{3}\times100\%

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

沐浴露增量了300克,增量後的沐浴露的重量是950克,那麼增量了百分之幾?

 300950 ×100%\frac{300}{950\ }\times100\%  

 300950300 ×100%\frac{300}{950-300\ }\times100\%  

 950300950 ×100%\frac{950-300}{950\ }\times100\%  

 950300×100%\frac{950}{300}\times100\%  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

圖中的魚露原有500毫升,現使用了8%,即用了多少毫升?

500×18%500\times(1-8\%)

500+8%500+8\%

8500×100%\frac{8}{500}\times100\%

500×8%500\times8\%

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