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teza7-2

Authored by lili botez

Mathematics

7th Grade

Used 20+ times

teza7-2
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17 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Rezultatul calculului 5x+10x este .........

5x

15x

50x

-15x

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Efectuând (x+2)2 obținem .......

x2+2x+2

x2+4x+4

x2-4x+4

2x2+4x+4

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

1. Soluția pozitivă a ecuației x2 =64 este ..........................

-64

8

-8

32

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Aria triunghiului echilateral cu latura de 6 cm este egală cu ..........

18

9√2

36√3

9√3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diagonala unui pătrat cu latura de 5 cm este egală cu .......... cm

5√2

√5

2√5

40

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

E= sin45⋅ cos 45+ctg 45⋅cos60 =……………

1

2

0

-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

BD este proiecția catetei AC pe ipotenuza BC

adevarat

fals

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