teza semestrul I, matematica, clasa a VII-a

teza semestrul I, matematica, clasa a VII-a

7th Grade

15 Qs

quiz-placeholder

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teza semestrul I, matematica, clasa a VII-a

teza semestrul I, matematica, clasa a VII-a

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

Ban Sorin

Used 65+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 122+92=\sqrt{12^2+9^2}=  

 122+92\sqrt{12^2}+\sqrt{9^2}  

12 + 9

15

12 - 9

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Folosind algoritmul de extragere a rădăcinii pătrate dintr-un număr, determinați  8464\sqrt{8464}  .

92

93

94

98

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Fie mulțimea A=  {9; 1,2 ; 2,(3) ; 34 ; 42 ; 5 ; π ; 0,123...}\left\{\sqrt{9};\ 1,2\ ;\ 2,\left(3\right)\ ;\ -\frac{3}{4}\ ;\ -\frac{4}{2}\ ;\ \sqrt{5}\ ;\ \pi\ ;\ 0,123...\right\}  . Câte numere iraționale sunt în mulțimea A ?

5

6

3

4

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media geometrică a numerelor 36 și 49 este:

40

42

46

39

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media aritmetică a numerelor 0,03 și 0,27 este egală cu:

0,15

0,16

0,17

0,18

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Rezultatul calculului  59 +5+9 \left|\sqrt{5}-\sqrt{9\ }\left|+\right|\sqrt{5}+\sqrt{9\ }\right|  

 252\sqrt{5}  

 292\sqrt{9}  

6

9

7.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Soluțiile  ecuațiaei  x2 + 32 =52x^2\ +\ 3^2\ =5^2  sunt :

{-3 ; 3 }

{ 3 ; 5 }

{ -4 ; 4 }

{ - 16\sqrt{16}  ;  16\sqrt{16}  }

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