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Multimi numerice. Clasa 9

Authored by Carolina Caragia

Mathematics

9th Grade

Used 18+ times

Multimi numerice. Clasa 9
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15 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

a=10-15,   b= 154×86\frac{15}{4}\times\frac{8}{6}  . 

a+b=?

0

1

5

-5

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Alege semnul potrivit pentru expresia: 4,1(3) 🔲 4,(13)

<

>

=

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 (53)(85÷425)=\left(-5-3\right)\cdot\left(\frac{8}{5}\div\frac{4}{25}\right)=  

-80

-20

80

20

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 (20145107): 8=\left(20-\frac{14}{5}\cdot\frac{10}{7}\right):\ 8=  

2

-2

1

-1

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 (5133)3: 89=\left(5-\frac{13}{3}\right)^3:\ \frac{8}{9}=  

 13\frac{1}{3}  

 13-\frac{1}{3}  

3

-3

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 415  +64412149=\frac{4^{15\ \ }+64}{4^{12}}-\frac{1}{4^9}=  

64

-64

 164\frac{1}{64}  

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 204 153307=\frac{20^{-4\ }\cdot15^{-3}}{30^{-7}}=  

 812\frac{81}{2}  

 281\frac{2}{81}  

1

81

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