− 4 m + 12 m n − 5 m = -4m\ +12mn\ -5m\ = − 4 m + 1 2 m n − 5 m =

12 m n − 9 m 12mn-9m 1 2 m n − 9 m

− m + 12 m n -m+12mn − m + 1 2 m n

− 12 n n + 9 m n -12nn\ +\ 9mn − 1 2 n n + 9 m n

24 x + 32 y − 24 x − 12 y = 24x\ +\ 32y\ -\ 24x\ -12y= 2 4 x + 3 2 y − 2 4 x − 1 2 y =

48 x − 20 y 48x-20y 4 8 x − 2 0 y

10 a + 6 b + 3 a − 2 b − a = 10a+6b+3a-2b-a= 1 0 a + 6 b + 3 a − 2 b − a =

− 12 a + 4 b -12a+4b − 1 2 a + 4 b

42 x y + 12 z − 9 x y − 10 z − x y = 42xy+12z-9xy-10z-xy= 4 2 x y + 1 2 z − 9 x y − 1 0 z − x y =

32 x y + 2 z 32xy+2z 3 2 x y + 2 z

− 2 z + 32 x y -2z+32xy − 2 z + 3 2 x y

− 12 a b − 11 x y + 12 a b − 3 x y + a b = -12ab-11xy+12ab-3xy+ab= − 1 2 a b − 1 1 x y + 1 2 a b − 3 x y + a b =

− 14 x y + a b -14xy+ab − 1 4 x y + a b

14 a b − x y 14ab-xy 1 4 a b − x y

13 x y + a b 13xy+ab 1 3 x y + a b

35 x + 21 y + 3 x + x − 4 y − 8 x = 35x+21y+3x+x-4y-8x= 3 5 x + 2 1 y + 3 x + x − 4 y − 8 x =

31 x + 17 y 31x+17y 3 1 x + 1 7 y

17 x + 13 y 17x\ +13y 1 7 x + 1 3 y

13 x − 15 y 13x-15y 1 3 x − 1 5 y

4 x + 3 p − 8 x + 4 y + 5 x = 4x+3p-8x+4y+5x= 4 x + 3 p − 8 x + 4 y + 5 x =

x + 3 p + 4 y x+3p+4y x + 3 p + 4 y

9 x + 3 p + 4 y 9x+3p+4y 9 x + 3 p + 4 y

4 x − 4 y + 3 p 4x-4y+3p 4 x − 4 y + 3 p

8 q + 12 z y − 11 q − 7 z + 4 z y = 8q+12zy-11q-7z+4zy= 8 q + 1 2 z y − 1 1 q − 7 z + 4 z y =

− 3 q + 16 y z − 7 z -3q+16yz-7z − 3 q + 1 6 y z − 7 z

3 q − 12 y z + 5 z 3q-12yz+5z 3 q − 1 2 y z + 5 z

7 z − 16 y z + 3 q 7z-16yz+3q 7 z − 1 6 y z + 3 q

Matemática

Authored by Paula Vera

Mathematics

7th Grade

Used 59+ times

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

¿Cuántas palabras verde hay ?

MULTIPLE CHOICE QUESTION

1 min • 1 pt

$-4m\ +12mn\ -5m\ =$

$12mn-9m$

$-m+12mn$

$-12nn\ +\ 9mn$

MULTIPLE CHOICE QUESTION

1 min • 1 pt

MULTIPLE CHOICE QUESTION

1 min • 1 pt

$24x\ +\ 32y\ -\ 24x\ -12y=$

$48x-20y$

$x\ +\ 20y$

$20y$

MULTIPLE CHOICE QUESTION

1 min • 1 pt

$10a+6b+3a-2b-a=$

$12a+4b$

$-12a+4b$

$14a+4b$

MULTIPLE CHOICE QUESTION

1 min • 1 pt

$42xy+12z-9xy-10z-xy=$

$-2z+32xy$

$32xy+2z$

Ninguna de las anteriores

FILL IN THE BLANKS QUESTION

1 min • 1 pt

(a)

10.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

$-12ab-11xy+12ab-3xy+ab=$

$-14xy+ab$

$14ab-xy$

$13xy+ab$

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Matemática

¿Cuántas palabras verde hay ?

−4m +12mn −5m =-4m\ +12mn\ -5m\ =−4m +12mn −5m =

24x + 32y − 24x −12y=24x\ +\ 32y\ -\ 24x\ -12y=24x + 32y − 24x −12y=

10a+6b+3a−2b−a=10a+6b+3a-2b-a=10a+6b+3a−2b−a=

42xy+12z−9xy−10z−xy=42xy+12z-9xy-10z-xy=42xy+12z−9xy−10z−xy=

(a)

(a)

−12ab−11xy+12ab−3xy+ab=-12ab-11xy+12ab-3xy+ab=−12ab−11xy+12ab−3xy+ab=

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$-4m\ +12mn\ -5m\ =$

$24x\ +\ 32y\ -\ 24x\ -12y=$

$10a+6b+3a-2b-a=$

$42xy+12z-9xy-10z-xy=$

$-12ab-11xy+12ab-3xy+ab=$