Jawabanmu

2014-09-07T21:23:54+07:00
A. 4√3 + 5√3 + 7√3 = 16√3

sorry cman bsa bantu A
B. 6√2 -12√2 - 2√5 + 9√5 = -6√2 + 7√5
2014-09-07T21:35:31+07:00
Nmr 2 ket → / : akar
/72-6/8-/20+3/45 → 6/2-12/2-2/5+9/5 → 7/5-6/2