Question

1 - Reduza os termos semelhantes:

A) 2x+3x+2xy-4 =

B) 5z²+2y-2x²+4 =

C) 3ab-2ab+5x-2y+3-2x =

D) 12x²y+3y-4x²y-4y-1 =

E) 10abc+4a-4+22abc-3a+7 =

F) xy+20-4xy-4a+2 =

G) 22xy-4x+12xy+5x =

2 - Efetue:

A) 2x.( 4x-y+2 ) =

B) 4x . 3y =

C) 2x . 2x =

D) -5xy . ( -5a5 ) =

E) 10a . ( - 3y )

F) 2y . ( - 3y ) =

G) 1/2ab . ( - 3/4 a²b ) =

H) ( +0,5 x ) . ( - 2, 3 x² ) =

I) 7xy . ( -4x²y4 ) =

Answer 1

1 - Reduza os termos semelhantes:

A) 2x+3x+2xy-4 = 5x+2xy-4

B) 5z²+2y-2x²+4 = 5z²+2y-2x²+4

C) 3ab-2ab+5x-2y+3-2x = ab+3x-2y+3

D) 12x²y+3y-4x²y-4y-1 = 8x²y-y-1

E) 10abc+4a-4+22abc-3a+7 = 32abc+a+3

F) xy+20-4xy-4a+2 = -3xy-4a+22

G) 22xy-4x+12xy+5x = 34xy+x

2 - Efetue:

A) 2x.( 4x-y+2 ) = 8x²-2xy+4x

B) 4x . 3y = 12xy

C) 2x . 2x = 4x²

D) -5xy . ( -5a⁵ ) = +25a⁵xy

E) 10a . ( - 3y ) = -30ay

F) 2y . ( - 3y ) = -6y²

G) 1/2ab . ( - 3/4 a²b ) = -3/8a³b²

H) ( +0,5 x ) . ( - 2, 3 x² ) = -1,15x³

I) 7xy . ( -4x²y⁴ ) = -28x³y⁵

❤️❤️ Bom Feriado!!

06/09