TEZA CLASA A VIII-A SEM I 2019-2020

TEZA CLASA A VIII-A SEM I 2019-2020

8th Grade

11 Qs

quiz-placeholder

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TEZA CLASA A VIII-A SEM I 2019-2020

TEZA CLASA A VIII-A SEM I 2019-2020

Assessment

Quiz

Mathematics

8th Grade

Medium

Created by

MOLDOVAN GHITA

Used 18+ times

FREE Resource

11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Rezultatul calculului 28+18:3 este egal cu :

32

35

34

23

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Rezultatul calcului     15219215\sqrt{2}-19\sqrt{2}     este egal cu :

 32-3\sqrt{2}  

 42-4\sqrt{2}  

 52-5\sqrt{2}  

3

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 Fie  numerele:  x=87   ;  y=8+7.Fie\ \ numerele:\ \ x=8-\sqrt{7}\ \ \ ;\ \ y=8+\sqrt{7}.  Media aritmetica a numerelor este egală cu :

20

8

16

10

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Rezultatul calculului  (x2y)2 este:Rezultatul\ calculului\ \ \left(x-2y\right)^2\ este:  

 x24xy+4y2x^2-4xy+4y^2  

 x22xy+4y2x^2-2xy+4y^2  

5

 x24xy+2y2x^2-4xy+2y^2  

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Un cub are muchia de lungime 8 cm, 
atunci lungimea diagonalei sale este :

2\sqrt{2}

424\sqrt{2}

838\sqrt{3}

232\sqrt{3}

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

O piramidă triunghiulară regulată are suma tuturor muchiilor de 18 cm. Dacă feţele laterale sunt triunghiuri echilaterale , atunci perimetrul bazei este de :

20

9

12

6

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Fie paralelipipedul dreptunghic ALGEBRIC.

El va avea numărul de vârfuri egal cu :

4

6

8

5

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