How much : 100-99+98-97+....+4-3+2-1 = ?

2 answers:

8 0

Without accurate calculations i would say 50

RSB [31]3 years ago

3 0

100-99=1
1+98= 99
99-97= 2
2+4=6
6-3= 3
3+2=5
5-1=4

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