Jawabanmu

2014-08-31T16:05:07+07:00
1) 1-5akar3 / 5
2) 2-3 akar 5 /3
3) 16 + 3akar2 /4
2014-08-31T16:14:54+07:00
1. 1/5-akar3* 5+akr3/5+akar3
= 5+akr3/5-3= 5+akar3/2

3. 4-akar2/4+akar 2 *4-akar2/4-akar2
= 16-8akar 2+2/4-2
= 18 -8 akar 2/2
=9-4akar 2.
no 2 kurng tw.
maaf ya..