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3年数学 近似値を求める

Authored by Hajime BB

Mathematics

3rd Grade

Used 4+ times

3年数学 近似値を求める
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 200\sqrt{200} を簡単にすると?

 10210\sqrt{2}  

 1002100\sqrt{2}  

 102010\sqrt{20}  

 210\frac{\sqrt{2}}{10}  

 2010\frac{\sqrt{20}}{10}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2=1.414 20=4.472\sqrt{2}=1.414\ \ \ \ \sqrt{20}=4.472 のとき
200\sqrt{200} の近似値を求める。

14.1414.14

141.4141.4

44.7244.72

447.2447.2

0.14140.1414

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 5000\sqrt{5000} を簡単にすると?

 105010\sqrt{50}  

 1005100\sqrt{5}  

 10510\sqrt{5}  

 10050100\sqrt{50}  

 5010\frac{\sqrt{50}}{10}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 5=2.236    50=7.071\sqrt{5}=2.236\ \ \ \ \sqrt{50}=7.071  のとき
 5000\sqrt{5000} の近似値を求める。

 70.7170.71 

 22.3622.36 

 223.6223.6 

 707.1707.1 

 0.70710.7071 

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 0.03\sqrt{0.03} を簡単にすると?

 310\frac{\sqrt{3}}{10}  

 3010\frac{\sqrt{30}}{10}  

 3100\frac{\sqrt{3}}{100}  

 3100\frac{\sqrt{3}}{100}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 3=1.732    30=5.477\sqrt{3}=1.732\ \ \ \ \sqrt{30}=5.477  のとき
 0.03\sqrt{0.03} の近似値を求める。

 0.17320.1732 

 0.54770.5477 

 0.017320.01732 

 0.054770.05477 

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 0.2\sqrt{0.2} を簡単にすると?

 2010\frac{\sqrt{20}}{10}  

 210\frac{\sqrt{2}}{10}  

 2100\frac{\sqrt{2}}{100}  

 20100\frac{\sqrt{20}}{100}  

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