Question

八上数学根号计算题

• 你的回答被采纳后将获得：
• 系统奖励15（财富值+成长值）+难题奖励30（财富值+成长值）+提问者悬赏10（财富值+成长值）

Answer 1

5√(1/2)-√8+1/√18+3/2√(1/2)
=5/2√2-2√2+1/6√2+3/4√2
=(5/2-2+1/6+3/4)√2
=(17√2)12

(3-2√3)(2√2-2)
=6√2-4√6-6+4√3

(3√2-1)²
=18-6√2+1
=19-6√2

3/2√72+2√75-(√162+√147)
=9√2+10√3-9√2-7√3
=3√3

5√96+2√24-5√12+3√27+4√(4/3)
=20√6+4√6+9√3+8/3√3
=24√6+(35√3)/3

Answer 2

5√(1/2)-√8+1/√18+3/2√(1/2)
=5/2√2-2√2+1/6√2+3/4√2
=(5/2-2+1/6+3/4)√2
=(17√2)12
(3-2√3)(2√2-2)
=6√2-4√6-6+4√3
(3√2-1)²
=18-6√2+1
=19-6√2
3/2√72+2√75-(√162+√147)
=9√2+10√3-9√2-7√3
=3√3
5√96+2√24-5√12+3√27+4√(4/3)
=20√6+4√6+9√3+8/3√3
=24√6+(35√3)/3