Question

a) -6 + (12:2) + 8=
b) -18 + [ 15:5+ (7 – 3) +10] =
c) -5 + (8 × 9) + -12=
d) -4 + [ (-3+3) + (-7 + 8) ]
e) 5+ [ (-3 + 5) - (8 + - 6) ] + - 2=​

Answer 1

Respuesta:

A)8

B)-1

C)55

D)-1

E)3

Explicación paso a paso:

A)

-6 + (12:2) + 8=

-6+....+6.......+8=

0+8=

8

B)

-18+ [ 15:5+ (7 – 3) +10] =

-18+ [ 15:5......+4..... +10]=

-18+ [ .+3........+4..... +10]=

-18+ [ .+3........+4..... +10]=

-18+ [+3+4+10]=

-18+17

-1

C)recuerda +-12->+(-12)->-12 (+ - = -)

-5 + (8 × 9) + -12=

-5.......+72....-...12=

-5+72-12=

55

D)

-4 + [ (-3+3) + (-7 + 8) ]=

-4 + [.....0.....+.......1......]=

-4+1=

-3

E)

5+ [ (-3 + 5) - (8 + - 6) ] + - 2=​

5+ [....+2...........-8+6....]..+ -2=

5+ [....+2..............-2......]..+ -2=

5+0+(-2)=

5-2=

3