一,化简:
①√32-3√1/2+√2
②√12+√27/√3-√1/3×√12
③√50+√30/√8-4
④√24+√216/√6+5
⑤(√6-2√15)×√3-6√1/2
⑥√2/3-4√216+43√1/6
⑦√8+√30-√2
⑧√1/7+√63-√112
⑨√40-5√1/10+√10
⑩√2+√8/√2
(11)√2/9+√50+√32
(12)(1-√3)(√3+2)
(13)(√8+3√6)÷√2-√3×√0.7
(14)(-3+√6)(-3-√6)-(√3-1/√3)²
①√32-3√1/2+√2
=4√2-(3/2)√2+√2
=(7/2)√2
②√12+√27/√3-√1/3×√12
=2√2+3-2
=2√2+1
③√50+√30/√8-4
=5√2+√15/2-4
④√24+√216/√6+5
=2√6+6√6+5
=8√6+5
⑤(√6-2√15)×√3-6√1/2
=3√2-2√30-3√2
=-2√30
⑥√2/3-4√216+43√1/6
=√6/3-24√6+(43/6)√6
=(-31/2)√6
⑦√8+√30-√2
=2√2+√30-√2
=√2+√30
⑧√1/7+√63-√112
=(1/7)√7+3√7-4√7
=(-6/7)√7
⑨√40-5√1/10+√10
=2√10-(1/2)√10+√10
=(5/2)√10
⑩√2+√8/√2
=√2+2
(11)√2/9+√50+√32
=(1/3)√2+5√2+4√2
=(28/3)√2
(12)(1-√3)(√3+2)
=√3+2-3-2√3
=√3-1
(13)(√8+3√6)÷√2-√3×√0.7
=(4+6√3)/2-√2.1
=2+3√2-√2.1
(14)(-3+√6)(-3-√6)-(√3-1/√3)²
=(9-6)-(3+1/3-2)
=3-4/3
=5/3