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Formule examen 4

Authored by IONELIA ZAPUCIOIU

Mathematics

3rd Grade

Used 1+ times

Formule examen 4
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (a+b)2=\left(a+b\right)^2=  

 a2+2ab+b2a^2+2ab+b^2  

 a22ab+b2a^2-2ab+b^2  

 a2b2a^2-b^2  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (ab)2\left(a-b\right)^2  =

 a22ab+b2a^2-2ab+b^2  

 a2+2ab+b2a^2+2ab+b^2  

 a2b2a^2-b^2  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(a-b)(a+b)=

a2b2a^2-b^2

a22ab+b2a^2-2ab+b^2

a2+2ab+b2a^2+2ab+b^2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 a22ab+b2a^2-2ab+b^2  =

 (ab)2\left(a-b\right)^2  

 (a+b)2\left(a+b\right)^2  

 a2b2a^2-b^2  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 a2+2ab+b2=a^2+2ab+b^2=  

 (a+b)2\left(a+b\right)^2  

 (ab)2\left(a-b\right)^2  

 a2b2a^2-b^2  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Unghiul alungit are masura de

180°180\degree

90°90\degree

0°0\degree

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La triunghiul dreptunghic, O este

La mijlocul ipotenuzei

In interiorul triunghiului

In exteriorul triunghiului

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