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Pregatire EN 1

Authored by anca maria

Mathematics

8th Grade

Used 23+ times

Pregatire EN 1
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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 9−5⋅(4+30⋅2)=9-5\cdot\left(4+3^0\cdot2\right)=  

56

-41

8

-21

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 Fie rapoartele 1620si x+15Fie\ rapoartele\ \frac{16}{20}si\ \frac{x+1}{5}  
Valoarea lui x pentru care aceste rapoarte formeaza o proportie este.....

4

3

16

8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  ∣45−53∣=53−45\ \left|4\sqrt{5}-5\sqrt{3}\right|=5\sqrt{3}-4\sqrt{5}  
Egalitatea de mai sus este.....

adevarata

falsa

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Dintre urmatoarele seturi de numere, cel scris in ordine descrescatoare este......

53, 62,9 , 455\sqrt{3},\ 6\sqrt{2},9\ ,\ 4\sqrt{5}

9 , 45, 62, 539\ ,\ 4\sqrt{5},\ 6\sqrt{2},\ 5\sqrt{3}

9 , 45, 53, 629\ ,\ 4\sqrt{5},\ 5\sqrt{3},\ 6\sqrt{2}

62, 53, 42, 96\sqrt{2},\ 5\sqrt{3},\ 4\sqrt{2},\ 9

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 12, 13 si −16\frac{1}{2},\ \frac{1}{3}\ si\ -\frac{1}{6}  Patru elevi calculeaza media aritmetica a  acestor numere si obtin:


Theea:  29\frac{2}{9}     
Razvan   23\frac{2}{3}  
Cleopatra   13\frac{1}{3}  
Gabriel   −29-\frac{2}{9}  
Cel care a raspuns corect este....

Razvan

Theea

Gabriel

Cleopatra

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Fie triunghiul dreptunghic ABC, cu masura unghiului A de 90, AO-mediana, AO= 4 cm si masura unghiului BOA= 60. Aria triunghiului ABC este......

838\sqrt{3}

434\sqrt{3}

16

16316\sqrt{3}

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Din cei 38 de elevi ai unei clase , 24 de elevi prefera lectiile online si 20 prefera lectiile traditionale. Stiind ca fiecare elev prefera cel putin un tip de lectie, numarul celor care prefera ambele tipuri este de....elevi.

22

30

4

6

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