Question

a.72-(90)
b.23-(-12)
c.(-32)-(-40)​

Answer 1

Answer:

a. 72-(90)=-18

b. 23-(-12)=35

c. (-32)-(-40)=8

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Answer 2

(a) 72-(90)

72-90

=-18

(b)23-(-12)

23+12

=35

(c)(-32)-(-40)

-32+40

=8

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