Question

1 Calcule :

(a) - 8 - (2 + 3) =

(b) - 20 - (5 - 1) =

(c) - 16 - 9 - (4 + 3) - (- 12 + 7) =

(d) - (12 - 15 + 16) + (17 - 20 + 3) =

(e) - (-8 + 1) - (-9 - 3) =

(f) (-1 -2 -3) - (+7-6 +8) =

(g) (-5 +3 -10) - (16 + 8 - 9) =

Answer 1

a) -13
b) -26
c) -37
d) -13
e) -19
f) +3
g) -27