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TEZA - CLASA 7 -S1

Authored by Cristina Rinjea

Mathematics

7th Grade

Used 4+ times

TEZA - CLASA 7 -S1
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12 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Rezultatul calculului  144+81\sqrt{144}+\sqrt{81}  este ...

20

21

19

22

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Rezultatul calculului  51432×275\sqrt{14}-3\sqrt{2}\times2\sqrt{7}  este...

 2142\sqrt{14}  

 14-\sqrt{14}  

 12\sqrt{12}  

 14\sqrt{14}  

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Aria unui dreptunghi cu dimensiunile de 15 cm si 8 cm este egala cu ...... cm

115

130

120

100

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Un trapez cu inaltimea de 8 cm si semisuma bazelor de 12 cm are aria egala cu .......cm

96

98

94

100

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 Dintre numerele  23 2\sqrt{3}\   si  32 3\sqrt{2}\   , mai mare este ....

numerele sunt egale

 323\sqrt{2}  

 232\sqrt{3}  

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Aria unui triunghi dreptunghic cu catetele de 6 cm, respectiv 8 cm, este de ......cm

48

20

24

12

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Fie numerele a=32 (4+2)2(724)a=3\sqrt{2}\ \left(4+\sqrt{2}\right)-2\left(\sqrt{72}-4\right)  si 
 b=(32+932498+252):(25278)b=\left(\frac{3}{\sqrt{2}}+\frac{9}{\sqrt{32}}-\frac{\sqrt{49}}{\sqrt{8}}+\frac{25}{\sqrt{2}}\right):\left(\sqrt{\frac{25}{2}}-\frac{7}{\sqrt{8}}\right)   Media aritmetica a numerelor a si b este .....

14

11

 19112\frac{191}{12}  

 1076\frac{107}{6}  

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