first, compare 6 and another 6. they must have difference. tvb now,tvbnow,bttvb/ [$ o! |! {; b& m6 Y5 {
second, divide those 6 heavier one into two, each has 3. u will find difference again.
- i& Q" ]9 }, ]* Z; g9 gthird time, if u put 2 and they are equal, u will know the different one.tvb now,tvbnow,bttvb3 j$ W: j* F* b; p0 e, V* n
so easy.... |