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Q7 3

Authored by anca maria

Mathematics

7th Grade

Used 12+ times

Q7 3
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 25(12+232)=\frac{\sqrt{2}}{5}\cdot\left(\frac{1}{\sqrt{2}}+\frac{2}{3\sqrt{2}}\right)=  

 526\frac{5\sqrt{2}}{6}  

 13\frac{1}{3}  

 16\frac{1}{6}  

 546\frac{5\sqrt{4}}{6}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dintre numerele

 8, 3, 23 , 27-8,\ 3,\ 2\sqrt{3\ },\ \frac{2}{7}  irational este....

-8

 27\frac{2}{7}  

 33  

 232\sqrt{3}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fie dreptunghiul ABCD . Diagonala AC este egala cu 10 cm. Atunci lungimea diagonalei BD este egala cu.....cm.

10

10210\sqrt{2}

10310\sqrt{3}

20

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Un turist parcurge un traseu in doua zile. In prima zi parcurge

 37\frac{3}{7}  din drum, iar a doua zi restul de 36 km. Afla lungimea drumului.

54 km

63 km

90 km

120 km

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Rombul ABCD are masura unghiului BAD egala cu 80

 °\degree . Atunci masura unghiului  BAC  este egala cu......grade.

30

80

40

100

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 2(12+2)+2=\sqrt{2}\cdot\left(\frac{1}{\sqrt{2}}+\sqrt{2}\right)+2=  

 525\sqrt{2}  

 727\sqrt{2}  

7

5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 2332=\left|2\sqrt{3}-3\sqrt{2}\right|=  

 23+322\sqrt{3}+3\sqrt{2}  

 23322\sqrt{3}-3\sqrt{2}  

 32233\sqrt{2}-2\sqrt{3}  

 32+233\sqrt{2}+2\sqrt{3}  

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