URGENT : What is the value of the expression (1 - 2) - (3 - 4) - (5 - 6) - etc.ect. - (99 - 100)? A.-50 B.49 C.-48 D.48 E.50 Pls explain how you got the answer!

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asked Nov 8, 2018 21.8k views

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URGENT : What is the value of the expression (1 - 2) - (3 - 4) - (5 - 6) - etc.ect. - (99 - 100)?

A.-50 B.49 C.-48 D.48 E.50
Pls explain how you got the answer!

Mathematics
middle-school

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-50 to -51; 49 to 50; -48 to -49; 48 to 49; 50 to 51

I just add one

Ahmed Taher answered Nov 15, 2018

by Ahmed Taher

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