(1) 3√2+2√2 = 5√2
(10) 4√7+ √10 −7√7+2√10 = 3√7 +3√10
(2) 5√2+3√2 = 8√2
(3) 6√5-45=2√5
EV
(11) √2+√8 =
(12) √3+ √12 =√3+2√3 = 3√√3
(4) 2√3-3√3 = -√3
(13) √32-√2 = 4√2-√2 = 4√2
=313+41=13
(5)-10√5 +2√5-8V5
(6) √2+8√2-5√2 = √2+3√√2
(7)4V6-2√6+7=2√6+7
(8) 2√2+5√2-3√5 7√2-3√√5
(9) 3√7-2√3-√3 = 3√√7-3√3
(14) -√27+√48=-3√3 +4√3 = √3
348
886
2X24
3416
(15) √50+9√25√2+9√2=14-√2
1005
25x2
(16) √45+5√5-√80 = 3√√5+5√5-4√5
5180
3×15
5x9
=
4√5
(17) √54-√2-√6=3N6-2N6-16
316 377 3×496×1
216 218431596154
14 34
16
416
√6
= 0
(18) 3√8-5√2-4√18 = √2-6√8
72-50-288