Question

a) – ( + 27 – 14 ) + ( -27 + 14 ) =
b) – 33 + [ ( -12 - 5 ) + 7 ] =
c) 40 – ( -25) : (-5) =
d) ( - 3 ) . ( - 4 ) – ( -24) : (+ 6) =
e) 7 + 32
- 2 . √81 =
f) -3 + 42
: ( -8 ) + 16 : ( +2 )2 =

Answer 1

Resposta:

a) -(+27-14)+(-27+14)

-(13)+(-13)

-13-13

-26

b) -33+[(-12-5)+7]

-33+[ (-17)+7]

-33+[-17+7]

-33+[-10]

-33-10

-43

c) 40-(-25):(-5)

40+25:-5

65:-5

13:-1

d) (-3).(-4)-(-24):(+6)

12+24:6

36:6

6:1