Jawabanmu

2014-09-01T20:19:01+07:00
4/7 - 2 1/2 = 4/7 - 5/2 = 8/14 - 35/14 = -27/14
Jawaban paling cerdas!
2014-09-01T20:25:19+07:00
  \frac{4}{7} - 2  \frac{1}{2} =  \frac{4}{7} -   \frac{5}{2} =   \frac{8}{14} -  \frac{35}{14} = -  \frac{27}{14} = -1 \frac{13}{14}

Semoga membantu ;) kalo misalnya salah maaf ya :)
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