smallgunner

haha....easy la..
5 G( y, I1 p8 a, }$ R4 ` 1st ...measure 两边6个, then sure one side will more heavy, then seperate the six balls and measure 3balls each side for second times.then sure one side will more heavy. for the last measure is choose two balls to measure, if the weight is same mean then ball which is not choosen is the more heavy ball. understand