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Ordinea efectuarii operatiilor. Metode aritmetice

Authored by STEFAN ADRIANA

Mathematics

5th Grade

CCSS covered

Used 32+ times

Ordinea efectuarii operatiilor. Metode aritmetice
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9 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Spuneți valoarea de adevăr a propoziției :numărul  3082308^2  este pătrat perfect.

adevărat

fals

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dacă 2x = 8, atunci x = ... .

4
2
3
1

Tags

CCSS.6.EE.B.7

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Efectuând calculul  170+25132 17^0+25^1-3^2\   obținem:

16

20

17

19

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

rezultatul calculului 7·78·79:(72)8 este:

7

49

1

0

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Dacă a·b + a·c =231, iar b+c =11, atunci a este:

21

220

22

102

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Sa se calculeze:

30+ [68:2+ 4x( 20+12 - 18)] =

100

110

120

130

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

10 muncitori culeg merele dintr-o livadă în 20 zile. În câte zile vor culege merele din livadă 40 muncitori?

5

6

10

21

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