first, compare 6 and another 6. they must have difference. $ A, C. C- }- ]7 s3 G
second, divide those 6 heavier one into two, each has 3. u will find difference again.5 Y0 E& ?9 [9 B K6 m
third time, if u put 2 and they are equal, u will know the different one.5.39.217.764 e( w9 ?4 ]9 |6 \2 g
so easy.... |