suma y resta de términos semejantes. Pon tu nombre completo empezando por apellidos

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1 point

3a + 5a

15a

-2a

1 point

7a-9a

-63a

-2a

16a

1 point

8ab + 10ab

80ab

18ab

-2ab

2ab

1 point

3ab+5ab-7ba

7ba-8ab

-ab

1ab

8ab-1ba

1 point

3a+8b -3c + 2a -5b +5c

5a + 3b + 2c

5a - 3b - 2c

5a - 3b + 2c

5a + 3b - 2c

1 point

(3a+2b)+(7a-15b)

10a-13b

10a +13b

-10a-13b

-10a+13b

1 point

25x + 12x - 31x - 8x +5x

12x

-3x

1 point

43mx³ + 7mx³ - 17mx³ - 13mx³

20mx³

24mx³

-20mx³

10mx³

1 point

25x + 12y - 31x - 8y +5x

-4y+ x

-4y- x

4y- x

4y+ x

10.

1 point

43mx³ + 7mx - 17mx³ - 13mx

-26mx³ - 6mx

26mx³ + 6mx

-26mx³ + 6mx

26mx³ - 6mx

11.

1 point

26mx - 6mx

32mx

-32mx

-20mx

20mx

12.

1 point

2x - 5x + 9x

no se puede porque no son semejantes

13.

1 point

2x + 7x + x – 8x

-2x

-1x

14.

1 point

5xy – 3x + 4xy

9xy + 3x

-9xy – 3x

9xy – 3x

-9xy + 3x

15.

1 point

6x – 8y – 4y

-6x – 12y

6x + 12y

-6x + 12y

6x – 12y

16.

1 point

3y + 5y – 7y + x

-y - x

-y + x

y + x

y - x

17.

1 point

8z + 3xy – 12z

– 4z + 3xy

4z - 3xy

– 4z - 3xy

4z + 3xy

18.

1 point

5m – 9n + 2n

-5m – 7n

5m + 7n

5m – 7n

-5m + 7n

19.

1 point

10x + 4y – y

10x +3y

-10x - 3y

10x - 3y

-10x +3y

20.

1 point

6z – 4z + 2z

-4z

12z

21.

1 point

3x – 7y + 5x + 4y

-8x + 3y

8x + 3y

-8x – 3y

8x – 3y

22.

1 point

6b – 3b + 8a – 18b + a

-9a + 15b

9a – 15b

9a + 15b

-9a – 15b

23.

1 point

9z + 8zy² – 5z + zy² – 15xy²

4z + 9zy² + 15xy²

4z - 9zy² – 15xy²

4z + 9zy² – 15xy²

4z - 9zy² + 15xy²

24.

1 point

24m²n – 2mn – 12m²n – m³

– m³ + 12m²n – 2mn

– m³ + 12m²n + 2mn

– m³ - 12m²n – 2mn

m³ + 12m²n – 2mn

25.

1 point

8n – 4mn + 4n – 3mn + 5m

-5m + 12n – 7mn

5m + 12n – 7mn

5m + 12n + 7mn

5m - 12n – 7mn

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