Question

Me ajudem pvf!
a)
1) (+15) ÷ (-5) + (-4) ÷ (+1)=

2) (+20) . (-1) + (-30) . (0) + (-4) . (-1) =

b)
Aplica a propriedade distributiva

1) (-4) . (3+2) =

2) (-10) . (5-2) =

c)
1) (+9)² =
3) (+4)³ =
2) (-9)² =
4) 4 (-4)³ =

d)
1) (-2)² . (-2)¹ =

2) [ (2)³ . 1] ² =

Answer 1

Resposta:

A) 1) -7

A) 2) -16

B) 1) -20

B) 2) -30

C) 1) 81

C) 2) 64

C) 3) 81

C) 4) -256

D) 1) -8

D) 2) 64

Explicação passo a passo:

A) 1) 15÷-5= -3 + -4 = -7

A) 2) -20+0+4=-16

B) 1) -12-8=-20

B) 2) -50+20=-30

D) 1) 4 . -2 = -8

D) 2) (8 . 1)2 = 64