化简 √20+√5/√5-2 √12+√27/√3 (√3+√2)×(√3-√2) 2√12+3√48算错了(1)√20+√5/√5-2(2)√12+√27/√3(3)(√3+√2)×(√3-√2)(4)2√12+3√48(5)√1/7+√28-√700(6)√32-3√1/
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 20:04:28
![化简 √20+√5/√5-2 √12+√27/√3 (√3+√2)×(√3-√2) 2√12+3√48算错了(1)√20+√5/√5-2(2)√12+√27/√3(3)(√3+√2)×(√3-√2)(4)2√12+3√48(5)√1/7+√28-√700(6)√32-3√1/](/uploads/image/z/200690-26-0.jpg?t=%E5%8C%96%E7%AE%80+%E2%88%9A20%2B%E2%88%9A5%2F%E2%88%9A5%EF%BC%8D2+%E2%88%9A12%2B%E2%88%9A27%2F%E2%88%9A3+%28%E2%88%9A3%2B%E2%88%9A2%29%C3%97%28%E2%88%9A3%EF%BC%8D%E2%88%9A2%29+2%E2%88%9A12%EF%BC%8B3%E2%88%9A48%E7%AE%97%E9%94%99%E4%BA%86%EF%BC%881%EF%BC%89%E2%88%9A20%2B%E2%88%9A5%2F%E2%88%9A5%EF%BC%8D2%EF%BC%882%EF%BC%89%E2%88%9A12%2B%E2%88%9A27%2F%E2%88%9A3%EF%BC%883%EF%BC%89%28%E2%88%9A3%2B%E2%88%9A2%29%C3%97%28%E2%88%9A3%EF%BC%8D%E2%88%9A2%29%EF%BC%884%EF%BC%892%E2%88%9A12%EF%BC%8B3%E2%88%9A48%EF%BC%885%EF%BC%89%E2%88%9A1%2F7%EF%BC%8B%E2%88%9A28%EF%BC%8D%E2%88%9A700%EF%BC%886%EF%BC%89%E2%88%9A32%EF%BC%8D3%E2%88%9A1%2F)
化简 √20+√5/√5-2 √12+√27/√3 (√3+√2)×(√3-√2) 2√12+3√48算错了(1)√20+√5/√5-2(2)√12+√27/√3(3)(√3+√2)×(√3-√2)(4)2√12+3√48(5)√1/7+√28-√700(6)√32-3√1/
化简 √20+√5/√5-2 √12+√27/√3 (√3+√2)×(√3-√2) 2√12+3√48
算错了
(1)√20+√5/√5-2
(2)√12+√27/√3
(3)(√3+√2)×(√3-√2)
(4)2√12+3√48
(5)√1/7+√28-√700
(6)√32-3√1/2+√2
化简 √20+√5/√5-2 √12+√27/√3 (√3+√2)×(√3-√2) 2√12+3√48算错了(1)√20+√5/√5-2(2)√12+√27/√3(3)(√3+√2)×(√3-√2)(4)2√12+3√48(5)√1/7+√28-√700(6)√32-3√1/
1)√20+√5/√5-2 =2√5-1
2)√12+√27/√3= √12+3=2√3+3
3)(√3+√2)×(√3-√2)=1
4)2√12+3√48 =4√3+12√3=16√3
5)√1/7+√28-√700
=1/√7+2√7-10√7
=1/√7-8√7
= √7(1/7-8)=-55√7/7
6)√32-3√1/2+√2=4√2-3√2+√2=0
不知道你的题目是怎样的,要是这样,结果就是:
20+√5/√5-2 √12+√27/√3 (√3+√2)×(√3-√2) 2√12+3√48
=√20+1-2 √12+6√12+3√48
=√20-4√12+3√48+1
=√20-4√12+6√12+1
=√20+2√12+1
=2√5+4√3+1