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Numere raționale cl. VII

Authored by татьяна редук

Mathematics

7th - 12th Grade

Used 3+ times

Numere raționale cl. VII
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9 questions

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1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Dintre numerele -5; 0;  34\frac{-3}{4} ; 84\frac{8}{4}  ; 2,5 întregi sunt

-5; 0

0;  84\frac{8}{4}  ; 2,5

-5; 0;  84\frac{8}{4}  

-5;  84\frac{8}{4}  

2.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media geometrică a numerelor 0,09 și 1,44 este

0,765

3,6

1,08

0,36

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Rezultatul calculului  0,7+(0,25)2-0,7+\sqrt{\left(-0,25\right)^2}   este:

-0,45

-0,95

0,45

-0,2

4.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Determinați valoarea de adevar a expresiei -5,1(4)<-5,142

Adevărat

Fals

5.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

 Determinați valoarea de adevar a expresiei  (1 23)2=259\left(-1\ \frac{2}{3}\right)^2=\frac{25}{9}  

Adevărat

Fals

6.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Determinați valoarea de adevar a expresiei   56>78-\ \frac{5}{6}>\frac{7}{8}  

Adevărat

Fals

7.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

Calculați, respectând ordinea operațiilor  [ 12÷142,(3)×57]÷0,(6)\left[\ \frac{1}{2}\div\frac{1}{4}-2,\left(3\right)\times\frac{5}{7}\right]\div0,\left(6\right)  

 14\frac{1}{4}  

 12\frac{1}{2}  

 34\frac{3}{4}  

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