Teza sem II cls a VII a

Teza sem II cls a VII a

7th Grade

10 Qs

quiz-placeholder

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Teza sem II cls a VII a

Teza sem II cls a VII a

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Hard

Used 5+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Rezultztul calculului (4√3 - 6)(4√3 +6) este

-20√3

-60

12

8√3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rezultatul calculului ( - 18 x3):(- 6 x2) este

3x

-3x

-24x

-24 x5

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media geometrică a numerelor 12 și 27 este

18

19,5

-18

39

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Latura unui pătrat cu aria de 0,0144 m2 are lungimea exprimată în cm de:

0,12

1,44

1.2

12

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Aria unui romb cu latura de 14 cm și un unghi de 1500 este:

56 cm

98 cm2

98 cm

49 cm2

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

După efectuarea calculelor(2√5 -3)2 +(2√5 -3)(2√5 +3) + 3√125 se obține :

11 +9√5

11 -19√5

40 - 7√5

40 +3√5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Descompunerea în factori a expresiei 6x2 + 12ax +5xy2+10ay2 este:

(x+2a)(6x +5y2)

(x +y2)(6x +12a)

(x+5y2)(6x+2a)

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