Question

a) (- 4 ) - (+ 3 ) – ( - 1 )
b) - [(+ 1 ) + (- 8 )] – ( - 3 )
c) (- 7 ) - (- 10) + ( 9 ) – ( 5 )
d) 6 – { -2 + [ 5 – 3 ] + 7 } – ( - 9 )
e) – 4 – { 7 + [ - 5 – 1 ] - 9 } + ( - 3 )

Answer 1

Respuesta:

$a( - 4) - ( + 3) - ( - 1) \\ - 4 - 3 + 1 \\ - 7 + 1 \\ - 6\\ b - (( + 1) + ( - 8)) - ( - 3) \\ - ( + 1 - 8) + 3 \\ - 1 + 8 + 3 \\ - 1 + 11 \\ + 10 \\ c( - 7) - ( - 10) + (9) - (5) \\ - 7 + 10 + 9 - 5 \\ - 12 + 19 \\ + 7\\ d6 - ( - 2 + (5 - 3) + 7) - ( - 9) \\ 6 - ( - 2 + 5 - 3 + 7) + 9 \\ 6 + 2 - 5 + 3 - 7 + 9 \\ + 20 - 12 \\ + 8\\ e - 4 - (7 + ( - 5 - 1) - 9 )+ ( - 3) \\ - 4 - (7 + - 5 - 1 - 9) - 3 \\ - 4 - 7 + 5 + 1 + 9 - 3 \\ - 14 + 15 \\ + 1$