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yeah, this is math.
0 y, Q' |" _" @" c9 v: o1 S9 Ptvb now,tvbnow,bttvb0.1x+3y+6z=100 and x+y+z=100.
5 j" W2 n6 p, ~. Q7 h1 {1 r3 variables 2 equations, hmmm, very hard to solve.
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