平方根まとめ vol.1

平方根まとめ vol.1

9th Grade

7 Qs

quiz-placeholder

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平方根まとめ vol.1

平方根まとめ vol.1

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Medium

Created by

yuta nakai

Used 5+ times

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

次の数の平方根を全て書いているものを選びましょう。

 4949 

−7

7

23

7と−7

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

次の数の平方根を全て書いているものを選びましょう。

 66 

−6

 232\sqrt{3}  

 ±6\pm\sqrt{6}  

 6\sqrt{6}  

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

次の計算をしましょう。ただし√の中の数は最も簡単な数で答えること。

 10×40\sqrt{10}\times\sqrt{40} 

20

 585\sqrt{8}  

 ±4000\pm\sqrt{4000}  

400

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

√の中の数を最も簡単な数にしましょう。

 27\sqrt{27} 

9

 333\sqrt{3}  

 323\sqrt{2}  

 939\sqrt{3}  

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

次の数の分母を有理化しましょう。

 16\frac{1}{\sqrt{6}} 

 32\frac{\sqrt{3}}{2}  

 66\frac{\sqrt{6}}{6}  

 6\sqrt{6}  

 63\frac{\sqrt{6}}{3}  

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

次の計算をしましょう。

 263862\sqrt{6}-\sqrt{3}-8\sqrt{6} 

 3+26-\sqrt{3}+2\sqrt{6}  

 76-7\sqrt{6}  

 143-14\sqrt{3}  

 663-6\sqrt{6}-\sqrt{3}  

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

√の中の数を最も簡単な数に直して答えましょう。
 200\sqrt{200} 

20

 2102\sqrt{10}  

 5405\sqrt{40}  

 10210\sqrt{2}  

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