Jawabanmu

2014-02-11T15:44:58+07:00
A. 27+9+3+1+1/3+1/9+1/27 =
    40+9/27+3/27+1/27 = 40 13/27
b. 
4+2+1+1/2+1/4+1/8+1/16 =
    7+8/16+4/16+2/16+1/16 = 7 15/16
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2014-02-11T17:50:38+07:00