Puteri si ecuatii

Puteri si ecuatii

5th Grade

10 Qs

quiz-placeholder

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Puteri si ecuatii

Puteri si ecuatii

Assessment

Quiz

Mathematics

5th Grade

Practice Problem

Hard

Created by

Victoria Bejan

Used 6+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Descompunerea în baza zece a numărului 432 este:

400+30+2400+30+2

4102+3101+21004\cdot10^2+3\cdot10^1+2\cdot10^0

4010+30+240\cdot10+30+2

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

O expresie matematică care are baza 5 și exponentul 3, se scrie:

353\cdot5

353^5

535^3

535\cdot3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Aflați valoarea necunoscutei din ecuația:

 3x+3=213x+3=21  

x=9

x=7

x=8

x=6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Valoarea expresiei

 3223=3^2-2^3=  

0

1

2

nu există

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Un stilou costa de două ori mai mult decât un caiet. Cât costa un 3 stilouri dacă un caiet costă 4 lei?

11 lei

6 lei

24 lei

15 lei

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Valoarea expresiei

 12002+30=1^{20}-0^2+3^0=  

1

2

3

4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

M-am gândit la un număr, îl dublez apoi îl micșorez cu unu și obțin numărul 5. La ce număr m-am gândit?

3

10

6

2

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