
jxdos123
@jxdos123 (122)
Hong Kong • Age 34
Joined myLot 17 years ago
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jxdos123
@jxdos123 (122)
• Hong Kong
11 Jul 08

let a, b be integers
a, b 0
let a = b
ab = b^2
ab - a^2 = b^2 - a^2
a(b - a) = (b + a)(b - a)
a = b + a
a = a + a
a = 2a
1 = 2
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