Free Printable Operatii cu numere intregi

1.

$-3+5$

(a)

2.

$-9-2$

(a)

3.

$+4-7$

(a)

4.

$-1+\left(-2\right)$

(a)

5.

$+14\div\left(-2\right)$

(a)

6.

$-6+6$

(a)

7.

$-9\div\left(-3\right)$

(a)

8.

$-25+5$

(a)

9.

$+140\div\left(+7\right)\div\left(-1\right)$

(a)

10.

$63\div\left(-9\right)$

(a)

11.

$100\div\left(-2\right)\div\left(-5\right)$

(a)

12.

$-1-2+3$

(a)

13.

$-2\cdot\left(-4\right)-8$

(a)

14.

$-2+8\div\left(-2\right)$

(a)

15.

$-10-\left(-30\right)\cdot\left(+1\right)$

(a)

16.

$+14+\left(-27\right)\div\left(-3\right)$

(a)

17.

$\left(-2\right)^2+\left(-1\right)$

(a)

18.

$\left(-1\right)^4+\left(-1\right)^5+\left(-1\right)^{10}$

(a)

19.

$5-\left(2\cdot3-7\right)-6$

(a)

20.

– 7 + 5 + 3 – 2 =

a)

-1

b)

1

c)

-2

d)

-3

21.

(4 – 3²) : (– 1)⁵ =

a)

4

b)

3

c)

5

d)

2

22.

+ 6 : (– 2) – 8 : (– 4) =

a)

1

b)

-2

c)

3

d)

-1

23.

+ 10 : (– 5) – 4 : (– 2) =

a)

0

b)

1

c)

-2

d)

2

24.

(– 2)⁵ ∙ (– 2)⁷ ∙ (– 2³)⁴ : (– 2²)¹¹ =

a)

-3

b)

-5

c)

-4

d)

-2

25.

{– 3 ∙ [– 5 – (+ 4 – 6 – 2) : (– 4)] – 10} : (– 8) =

a)

-1

b)

1

c)

2

d)

-2

26.

(– 5)⁸ ∙ (+ 5)⁷ ∙ (– 5²)³ : (– 5⁴)⁵ =

a)

4

b)

3

c)

6

d)

5

27.

Solutia ecuatiei -3x-5=22, este

a)

-9

b)

+9

c)

-17/3

d)

+17/3

28.

La o cantina s-au adus mere de calitatea 1, la pretul de 2,5lei/kg, si mere de calitatea a 2-a, la pretul de 1,5lei/kg. Stiind ca s-au adus 80kg de mere in total si ca s-a achitat suma de 150 lei, aflati cate kg de mere au fost de calitatea 1 si cate de calitatea a 2-a?

a)

(20,40)

b)

(25,45)

c)

(30,50)

d)

(35,45)

Operatii cu numere intregi

Total questions: 28

Worksheet time: 41mins

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