Jawabanmu

2014-06-03T20:43:01+07:00
(x . Ar N / Mr )x 100% = x%
(X.14 / 146) x 100% = 19,2%
x.14 / 146 = 19,2 / 100
x = 0,192 . 146 / 14
x = 2,00xxx
x = 2
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