Question

a) 5- [1+(-4 + 3) +6] =
b) (10 - (-1) + (-4)] +18 =
c) (5-[12+(-4) + (-3)]} + 9 =
d) 25 - [(-11)+(-8) +6] =
e) 5- {[1 + (-4)] + 6) =
f) -9 - [3 + (-2+ 3) +6] =​

Answer 1

Resposta:

A_ -1

B_ 25

C_ 9

D_ 38

E_ 2

F_ -19

Explicação passo-a-passo:

A_ 5- [ 1+ ( -4 +3 ) +6 ]

5- [ 1+ ( -1 ) +6 ]

5- [ 7-1]

5- 6

-1

B_ [ 10- ( -1 ) + ( -4 ) ] + 18

[ 10 + 1 - 4 ] + 18

[ 10 - 3 ] + 18

7 + 18

25

C_ { 5- [ 12 + ( -4 ) + ( -3 )]} + 9

{ 5- [ 12 - 4 - 3]} +9

{ 5-5} +9

0+9

9

D_ 25- [ (-11 ) + (-8 ) +6 ]

25- [ -11 -8 +6 ]

25+ 13

38

E_ 5- {[ 1+ (-4 ) ] +6}

5- { [ 1-4 ] +6

5- { 3 }

2

F_ -9- { 3+ ( -2+3 ) +6]

-9- { 3+1+6}

-9-10

-19