kajajsbwbakak kajajsbwbakak

20-09-2016
Mathematics

contestada

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

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Kimberlee234 Kimberlee234

20-09-2016

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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