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2nd
grade

51%

accuracy

52

plays

User image

angelica mistreanu

4 years

2nd

grade

Fisa portofoliu cl a VII a algebra

user

angelica mistreanu

52
plays

8 questions

8 questions

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1. Multiple Choice
30 seconds
1 pt
Completeaza spatiile incat sa obtineti propozitii adevarate:
1)Daca ab=-15 $\sqrt{ }$ 2 si ac=3 $\sqrt{ }$ 288,atunci a(b+c) este egala cu:
7 $\sqrt{ }$ 2
10 $\sqrt{ }$ 2
21 $\sqrt{ }$ 2
2. Multiple Choice
30 seconds
1 pt
Daca- $\sqrt{ }$ 128+ $\sqrt{ }$ 32- $\sqrt{ }$ 50+ $\sqrt{ }72$ =a $\sqrt{2}$ ,atunci a este egal cu:
3
7
-3
3. Multiple Choice
30 seconds
1 pt
Media geometrica a numerelor 5 si 7,2 este:
2
3
4
4. Multiple Choice
30 seconds
1 pt
Perimetrul triunghiului de laturi $\sqrt{2}$ +1, 3- $\sqrt{2}$ si 1 este:
7
$\sqrt{7}$
5
5. Multiple Choice
30 seconds
1 pt
Modulul numarului 4 $\sqrt{196}$ -3 este:
13
14
53
6. Multiple Choice
30 seconds
1 pt
Suma inverselor numerelor3 $\sqrt{8}$ si2 $\sqrt{72}$ este:
$\sqrt{2}$
$\sqrt{3}$ /8
$\sqrt{2}$ /8
7. Multiple Choice
30 seconds
1 pt
Rezultatul calculului |-2 $\sqrt{5}$ -4|+ $\sqrt{\left(4-2\sqrt{5}\right)^2=}$
10 $\sqrt{3}$
0
4 $\sqrt{5}$
8. Multiple Choice
30 seconds
1 pt
Daca x=5 $\sqrt{48}$ +3 $\sqrt{50}$ si y=3 $\sqrt{192}$ -2 $\sqrt{162}$
10 $\sqrt{3}$ +2 $\sqrt{2}$
22 $\sqrt{3}$ - $\sqrt{2}$
22 $\sqrt{3}$ -1,5 $\sqrt{2}$
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