simi 天才 la!
haha
u haven tell me leh.
ur 27 balls question. how to see the difference in the 1
gram?
unless the other balls are all 1 g each?
how to see the diff in 1 gram ah....
as long it's heavier, the scale balance should reflect
bah...
you can assume the balls is 10 gram, odd ball is 11 grams?
