Jawabanmu

2014-09-01T23:30:05+07:00
√27 = 5.2
√243 = 15.58

5.2 + 15.58 = 20.78

maaf kalau salah

2014-09-01T23:31:27+07:00
√27 + √243 =
√9 x 3 + √81 x 3 =
3√3 + 9√3 = 12√3