Jawabanmu

2014-08-15T20:12:21+07:00
2014-08-15T20:19:32+07:00
√45 + √245 - √20 - √405 =
√9x5 + √49x5 - √4x5 - √81x5 =
3√5 + 7√5 - 2√5 - 9√5 =
10√5 - 11√5 = -√5