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3年2章平方根①

Authored by Hajime BB

Mathematics

3rd Grade

Used 7+ times

3年2章平方根①
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

面積が 1cm21cm^2 の正方形の一辺の長さは? 

 1cm1cm  

 ±1cm\pm1cm  

 0.5cm0.5cm  

 2cm2cm  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

面積が 16cm216cm^2 の正方形の一辺の長さは? 

 4cm4cm  

 ±8cm\pm8cm  

 ±4cm\pm4cm  

 8cm8cm  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

面積が 3cm23cm^2 の正方形の一辺の長さは? 

 3cm\sqrt{3}cm  

 1.5cm1.5cm  

 6cm6cm  

 9cm\sqrt{9}cm  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

面積が 10cm210cm^2 の正方形の一辺の長さは? 

 10cm\sqrt{10}cm  

 5cm5cm  

 3.3cm3.3cm  

 3.1cm3.1cm  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

記号        \sqrt{\ \ \ \ \ \ \ }  は何という?

根号

混合

金剛

平方根の記号

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 3\sqrt{3}  の読み方はどれ?

ルート3

3ルート

3の近似値

面積が3の正方形の一辺

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2\sqrt{2}  の近似値はどれ?

1.41421356

1.7320508

2.2340679

1

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