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Operações com radicais

Authored by Renata Tarlá

Mathematics

9th Grade

Used 391+ times

Operações com radicais
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 20  + 320 = \sqrt{20\ }\ +\ 3\sqrt{20}\ =\   

 4204\sqrt{20}  

 4404\sqrt{40}  

 3203\sqrt{20}  

 5205\sqrt{20}  

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 30: 15\sqrt{30}:\ \sqrt{15}  

 45\sqrt{45}  

 2\sqrt{2}  

Impossível resolver

 10\sqrt{10}  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

 18318\sqrt{3}  

 181218\sqrt{12}  

 2424  

 24324\sqrt{3}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 a+ a + a=\sqrt{a}+\ \sqrt{a\ }+\ \sqrt{a}=  

 a\sqrt{a}  

impossível resolver

 a3\sqrt{a^3}  

 3a3\sqrt{a}  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 2 + 8 + 18\sqrt{2}\ +\ \sqrt{8}\ +\ \sqrt{18}  

 28\sqrt{28}  

 626\sqrt{2}  

 66  

impossivel resolver

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 173  548 =17\sqrt{3}\ -\ 5\sqrt{48\ }=  

 124512\sqrt{-45}  

 12312\sqrt{3}  

 33-3\sqrt{3}  

 12312\sqrt{3}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 3  +10\sqrt{3\ }\ +\sqrt{10}  

 3+10 \sqrt{3}+\sqrt{10}\   

 13\sqrt{13}  

0

13

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