Recapitulare clasa a VII - a

Recapitulare clasa a VII - a

7th Grade

10 Qs

quiz-placeholder

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Recapitulare clasa a VII - a

Recapitulare clasa a VII - a

Assessment

Quiz

Other

7th Grade

Hard

Created by

Nicolae Popa

Used 12+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculati media geometrica a numerelor x = 3+22 si y =322x\ =\ 3+2\sqrt{2}\ si\ y\ =3-2\sqrt{2}   

3

2

1

 2\sqrt{2}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 sin 30°+ cos60°=\sin\ 30^{\degree}+\ \cos60^{\degree}=  

2

1

 32\frac{3}{2}  

 12\frac{1}{2}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care este desfășurarea formulei a2 - b2

a2 - 2ab + b2

a2 + b2

(a+b)(a-b)

(a +b)(b + a)

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Cel mai mare numar natural de trei cifre, divizibil in același timp cu 3 si cu 5 este:

999

995

990

900

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dacă un patrat are aria de 256 m 2 atunci perimetrul patratului este egal cu

128 cm2

64 cm2

1024 cm2

124 cm2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculand  (a+2b)2 +(a2b)2 \left(a+2b\right)^2\ +\left(a-2b\right)^2\   obtinem :

 a2+b2a^2+b^2  

 2a2+8b22a^2+8b^2  

 2a28b22a^2-8b^2  

 a2b2a^2-b^2  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dacă un triunghi dreptunghic ABC , cu  A=90°\angle A=90\degree  , are AB =  434\sqrt{3}  cm și BC= 8 cm, atunci lungimea înălțimii duse din vârful unghiului drept este egală cu: 

 232\sqrt{3}  cm

4 cm

8 cm

16 cm

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