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Godišnji test sedmi razred

Authored by Снежана Маринковић

Mathematics

7th Grade

Used 15+ times

Godišnji test sedmi razred
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20 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Jedna stranica pravougaonika je 15cm i dijagonala 17cm. Površina pravougaonika je:

60 cm2

120cm2

225 cm2

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Osnovica jednakokrakog trougla je 30cm, a njoj odgovarajuća visina 20cm. Izračunaj dužinu kraka tog trougla. Obim trougla je:

80cm

65cm

50cm

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Obim jednakostraničnog trougla je 18cm. Površina tog trougla je:

33cm23\sqrt{3}cm^2

36cm236cm^2

93cm29\sqrt{3}cm^2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Vrednost izraza  23+(2)4+(2)5 2^3+\left(-2\right)^4+\left(-2\right)^5\   

-40

-8

56

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Uprosti izraz  (a2)5:(a2a6)\left(a^2\right)^5:\left(a^2\cdot a^6\right)  i izračunaj njegovu vrednost za a= 3\sqrt{3}  . Rešenje je broj:

3

 3\sqrt{3}  

 13\frac{1}{\sqrt{3}}  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 Vrednost izraza x2y22x+2yVrednost\ izraza\ \frac{x^2-y^2}{2x+2y} za x=3 i y=-5 je broj:

-1

-8,5

4

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 Uprosti izraz 7x25x2+6x24x2 Uprosti\ izraz\ 7x^2-5x^2+6x^2-4x^2\   i izračunaj njegovu vrednost za x= 12-\frac{1}{2}  .Dobijeni rezultat je:

-1

1

-2

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