28、化简(√6+4√3+3√2)/[(√6+√3)(√3+√2)]=
来源:学生作业帮 编辑:大师作文网作业帮 分类:数学作业 时间:2024/10/02 03:16:51
28、化简(√6+4√3+3√2)/[(√6+√3)(√3+√2)]=
化简如下 (√6+4√3+3√2)/[(√6+√3)(√3+√2)]
=[(√6+√3)+3(√3+√2)]/[(√6+√3)(√3+√2)]
=(√6+√3)/[(√6+√3)(√3+√2)] + 3(√3+√2)]/[(√6+√3)(√3+√2)]
=1/(√3+√2) + 3/(√6+√3)
=(√3-√2)/[(√3+√2)(√3-√2)] + 3(√6-√3)/[(√6+√3)(√6-√3)]
=(√3-√2)+(√6-√3)
= √6-√2
=[(√6+√3)+3(√3+√2)]/[(√6+√3)(√3+√2)]
=(√6+√3)/[(√6+√3)(√3+√2)] + 3(√3+√2)]/[(√6+√3)(√3+√2)]
=1/(√3+√2) + 3/(√6+√3)
=(√3-√2)/[(√3+√2)(√3-√2)] + 3(√6-√3)/[(√6+√3)(√6-√3)]
=(√3-√2)+(√6-√3)
= √6-√2
化简:(√6+4√3+3√2)/[(√6+√3)(√3+√2)]
28、化简(√6+4√3+3√2)/[(√6+√3)(√3+√2)]=
化简:(1)12/√3 (2)8√6/√2 (3)√3(√12-√21) (4)√45-√125/√5
1、(√3-√2+√6)*(√3+√2-√6)
化简 √6/(√3-√2)
|√6|-√2+√(√2-1)² -√(√6-3)²
化简(√6-1/3√3/2-1/2√24)*(-2√6)
计算:√4-√3/√12+√3-√2/√6+√2-√1/√2=?
(√3+√2)*(√3-√2)= √1/7+√28-√700=
1.(10√3-6√2)-(4√2-3√3)
化简:(√2+√3)/(√10+√14+√15+√21)
|√3-√6|+|2√3-3√5|-(-3√3+√6) 麻烦计算一下 √3(√12+2√48)