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Q februarie

Authored by anca maria

Mathematics

8th Grade

Used 16+ times

Q februarie
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Se considera numerele naturale a=5 si b=11.Raportul dintre numerele a si b are aceeasi valoare ca si raportul...

1011\frac{10}{11}

12\frac{1}{2}

1022\frac{10}{22}

522\frac{5}{22}

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cel mai mare divizor prim al numarului 154 este numarul...

2

7

11

77

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 La inmultirea nr.n=28+18 cu 2 se obtine....La\ inmultirea\ nr.n=\sqrt{2}-\sqrt{8}+\sqrt{18}\ cu\ \sqrt{2}\ se\ obtine....  

-4

 222\sqrt{2}  

0

4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x27x+10=x^2-7x+10=  

 (x2)(x5)\left(x-2\right)\left(x-5\right)  

 (x+2)(x5)\left(x+2\right)\left(x-5\right)  

 (x+5)(x2)\left(x+5\right)\left(x-2\right)  

 (x+2)(x+5)\left(x+2\right)\left(x+5\right)  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Fie triunghiul ABC dreptunghic în A . Notăm cu E proiecția punctului A pe dreapta BC . Lungimea laturii AC este de 6cm , iar lungimea segmentului EC este de 4cm . BC=....

6

8

828\sqrt{2}

9

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 A={0,2,4,6,8}, B={0,3,6},AB={0,n}A=\left\{0,2,4,6,8\right\},\ B=\left\{0,3,6\right\},A\cap B=\left\{0,n\right\}  
n=.....

2

6

3

4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Fie cubul ABCDA'B'C'D'.Masura unghiului dintre dreptele AD' si BC este egal cu.....

30°30\degree

45°45\degree

60°60\degree

90°90\degree

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