几道二次根式的算术题1.√ ̄24+√ ̄0.5-(√ ̄八分之一-√ ̄6)2.√ ̄2(√ ̄3+√ ̄5)3.2+√ ̄24.√ ̄2+√ ̄35.2分之√ ̄18-√ ̄86.√ ̄75-√ ̄54+√ ̄96-√ ̄1087.(√ ̄48+¼√ ̄6)÷√ ̄27
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 08:08:03
![几道二次根式的算术题1.√ ̄24+√ ̄0.5-(√ ̄八分之一-√ ̄6)2.√ ̄2(√ ̄3+√ ̄5)3.2+√ ̄24.√ ̄2+√ ̄35.2分之√ ̄18-√ ̄86.√ ̄75-√ ̄54+√ ̄96-√ ̄1087.(√ ̄48+¼√ ̄6)÷√ ̄27](/uploads/image/z/6900235-43-5.jpg?t=%E5%87%A0%E9%81%93%E4%BA%8C%E6%AC%A1%E6%A0%B9%E5%BC%8F%E7%9A%84%E7%AE%97%E6%9C%AF%E9%A2%981.%E2%88%9A%EF%BF%A324%2B%E2%88%9A%EF%BF%A30.5-%EF%BC%88%E2%88%9A%EF%BF%A3%E5%85%AB%E5%88%86%E4%B9%8B%E4%B8%80-%E2%88%9A%EF%BF%A36%EF%BC%892.%E2%88%9A%EF%BF%A32%EF%BC%88%E2%88%9A%EF%BF%A33%2B%E2%88%9A%EF%BF%A35%EF%BC%893.2%2B%E2%88%9A%EF%BF%A324.%E2%88%9A%EF%BF%A32%2B%E2%88%9A%EF%BF%A335.2%E5%88%86%E4%B9%8B%E2%88%9A%EF%BF%A318-%E2%88%9A%EF%BF%A386.%E2%88%9A%EF%BF%A375-%E2%88%9A%EF%BF%A354%2B%E2%88%9A%EF%BF%A396-%E2%88%9A%EF%BF%A31087.%EF%BC%88%E2%88%9A%EF%BF%A348%2B%26%23188%3B%E2%88%9A%EF%BF%A36%EF%BC%89%C3%B7%E2%88%9A%EF%BF%A327)
几道二次根式的算术题1.√ ̄24+√ ̄0.5-(√ ̄八分之一-√ ̄6)2.√ ̄2(√ ̄3+√ ̄5)3.2+√ ̄24.√ ̄2+√ ̄35.2分之√ ̄18-√ ̄86.√ ̄75-√ ̄54+√ ̄96-√ ̄1087.(√ ̄48+¼√ ̄6)÷√ ̄27
几道二次根式的算术题
1.√ ̄24+√ ̄0.5-(√ ̄八分之一-√ ̄6)
2.√ ̄2(√ ̄3+√ ̄5)
3.2+√ ̄2
4.√ ̄2+√ ̄3
5.2分之√ ̄18-√ ̄8
6.√ ̄75-√ ̄54+√ ̄96-√ ̄108
7.(√ ̄48+¼√ ̄6)÷√ ̄27
几道二次根式的算术题1.√ ̄24+√ ̄0.5-(√ ̄八分之一-√ ̄6)2.√ ̄2(√ ̄3+√ ̄5)3.2+√ ̄24.√ ̄2+√ ̄35.2分之√ ̄18-√ ̄86.√ ̄75-√ ̄54+√ ̄96-√ ̄1087.(√ ̄48+¼√ ̄6)÷√ ̄27
√是根号的意思,/是分号,*是乘号
(1)√ ̄24+√ ̄0.5-(√ ̄八分之一-√ ̄6)
=2√6+√2/2-(√2/4-√6)
=2√6+√2/2-√2/4+√6
=3√6+√2/4
(2)
√ ̄2(√ ̄3+√ ̄5)
=√(2*3)+√(2*5)
=√6+√10
(3)2+√ ̄2
已是最简,无法再化简了
(4)
√ ̄2+√ ̄3
已是最简,无法再化简了
(5)
2分之√ ̄18-√ ̄8
=√18/2-√8
=3√2/2-2√2
=(3/2-2)√2
=(-1/2)√2
=-√2/2.负2分之√2
(6)
√ ̄75-√ ̄54+√ ̄96-√ ̄108
=5√3-3√6+4√6-6√3
=(5-6)√3+(4-3)√6
=√6-√3
(7)
(√ ̄48+¼√ ̄6)÷√ ̄27
=(4√3+√6/4)÷3√3
=4√3÷3√3+√6/4÷3√3
=4/3+√2/12.3分之4加12分之√2
没看懂,再详细一点