Question

b. [(-15)-(-6)]-(-23).
c. [(+45)-(-4)]-(+17)
d. [(+27)-(-18)]-(-72)​

Answer 1

B) [(-15)-(-6)]-(-23).

[ -15 + 6] + 23

-9 + 23

14

C) [(+45)-(-4)]-(+17)

[45 + 4] - 17

49 - 17

32

D) [(+27)-(-18)]-(-72)

[ 27 + 18 ] + 72

45 + 72

117