Free Printable ÁLGEBRA U5-S3

1.

$ab^2\ +\ 6a^3b\ -\ 5a^3b\ +4ab^2\ +\ 15a^3b\$ nos da:

a)

$5ab^2\ -\ 15a^3b$

b)

$6ab^2\ +\ 16a^{3b}$

c)

$5ab^2\ +\ 16a^3b$

d)

$5ab^2\ +\ a^3b$

2.

x + x +x + 2y - x nos da :

a)

3x + 2y

b)

2x - 2y

c)

3x

d)

2x + 2y

3.

$6xy^4\ +\ 4\ x^3y\ -\ 5xy^4$ nos da :

a)

$xy^{4\ }\ +\ 4x^3y$

b)

$11xy^4\ +\ 4x^3y$

c)

$xy^4\ -\ 4x^3y$

d)

$5xy^4$

4.

$7mn^5\ +\ 2mn^5\ +\ 8n^5m\ +\ 4n^5m$

a)

$9mn^5\ +\ 12n^5m$

b)

$7mn^5\ +\ 14n^5m$

c)

$21n^5m$

d)

$13mn^5$

5.

$2xyz^2\ +\ 12xy^5\ \ -\ xyz^2\ +\ xyz^3$ nos da :

a)

$14xyz^2$

b)

$xyz^2\ +\ 12xy^5\ +\ xyz^3$

c)

$2xyz^2\ +\ 12xy^5$

d)

$16xyz^2$

6.

5b + 3xy + b - xy nos da :

a)

4b + 2xy

b)

8xy

c)

6b + 4xy

d)

2xy + 6b

7.

6x + 3x - 2xy - 5x + 7xy

a)

4x + 5xy

b)

4x - 5xy

c)

14x + 5xy

d)

14x - 5xy

ÁLGEBRA U5-S3

Total questions: 7

Worksheet time: 5mins

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