Value

Determine the value of the following exspressions:

a) (23-25)·(4-5)
b) (97-123):(18+8)

Correct answer:

a =  2
b =  -1

Step-by-step explanation:

a=(23−25)⋅ (4−5)=2
b=(97−123)/(18+8)=−1

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