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-10*((4.2*(-1/3))/(1/6)) = 0
-10*((-1/3*4.2)/(1/6)) = 0
-10*(-1.399999986/(1/6)) = 0
-10*(-1.399999986/1/6) = 0
-10*(-8.39999975) = 0
8.39999975*10 = 0
83.9999975 = 0
L <> R
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