jen198053

who can't figure out??????it's just basic math, primary school kid should already know it [-X! N) i" F' L+ W; e  z
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1st: 6 vs 6, find out which side is heavier
" Z4 w- u) T: a. I5.39.217.77:88982nd: from the heavy side, 3 vs 3,  find out which side is heaviertvb now,tvbnow,bttvb0 k% V& N7 M& A- ~* q6 r8 u
3rd: choose 2 out of 3 from the heavier side, if they weight the same, the 1 left is the one, if not, u can see it right away the heavier ball is on the 天秤

jen198053

there got more simple way to do it, just read my way, the one i answered before