二次根式计算:①(3/2根号72+2根号75)-(根号162+根号147) ②(16根号3/2-5根号1/2)+(1/4
来源:学生作业帮 编辑:搜搜考试网作业帮 分类:数学作业 时间:2024/08/17 20:54:09
二次根式计算:
①(3/2根号72+2根号75)-(根号162+根号147) ②(16根号3/2-5根号1/2)+(1/4根号8-3根号2/3)③3根号63-(根号16/5+根号36/7+1/5根号405)
①(3/2根号72+2根号75)-(根号162+根号147) ②(16根号3/2-5根号1/2)+(1/4根号8-3根号2/3)③3根号63-(根号16/5+根号36/7+1/5根号405)
![二次根式计算:①(3/2根号72+2根号75)-(根号162+根号147) ②(16根号3/2-5根号1/2)+(1/4](/uploads/image/z/8580290-50-0.jpg?t=%E4%BA%8C%E6%AC%A1%E6%A0%B9%E5%BC%8F%E8%AE%A1%E7%AE%97%EF%BC%9A%E2%91%A0%EF%BC%883%2F2%E6%A0%B9%E5%8F%B772%2B2%E6%A0%B9%E5%8F%B775%EF%BC%89-%EF%BC%88%E6%A0%B9%E5%8F%B7162%2B%E6%A0%B9%E5%8F%B7147%EF%BC%89+%E2%91%A1%EF%BC%8816%E6%A0%B9%E5%8F%B73%2F2-5%E6%A0%B9%E5%8F%B71%2F2%EF%BC%89%2B%EF%BC%881%2F4)
①(3/2根号72+2根号75)-(根号162+根号147)
=(9根号2+10根号3)-(9根号2+7根号3)
=3根号3
②(16根号3/2-5根号1/2)+(1/4根号8-3根号2/3)
=(8根号6-5/2根号2)+(1/2根号2-根号6)
=7根号6-2根号2
③3根号63-(根号16/5+根号36/7+1/5根号405)
=9根号7-(4/5根号5+6/7根号7+9/5根号5)
=57/7根号7-13/5根号5
=(9根号2+10根号3)-(9根号2+7根号3)
=3根号3
②(16根号3/2-5根号1/2)+(1/4根号8-3根号2/3)
=(8根号6-5/2根号2)+(1/2根号2-根号6)
=7根号6-2根号2
③3根号63-(根号16/5+根号36/7+1/5根号405)
=9根号7-(4/5根号5+6/7根号7+9/5根号5)
=57/7根号7-13/5根号5
二次根式计算:①(3/2根号72+2根号75)-(根号162+根号147) ②(16根号3/2-5根号1/2)+(1/4
计算二次根式的加减法:(1)根号2(根号2-根号3)+根号16 (2)(根号8/27-5根号3)*根号6
初三二次根式计算:(根号2+根号3+根号5)(根号2-根号3+根号5)(根号2+根号3-根号5)(-根号2+根号3+根
计算:①(3/2根号72+2根号75)-(根号162+根号147) ②(16根号3/2-5根号1/2)+(1/4根号8-
(根号3+根号2)(根号3-根号2),二次根式.
二次根式计算题:根号3+根号2+根号3-根号2/2(根号3-根号2)
计算二次根式(根号下5-根号下3+根号下2)(根号下5-根号下3-根号下2)
下面有六个二次根式 根号(2/3),根号8,根号12,根号18,根号24,根号27
(根号1+根号2+根号3+根号4+根号5+根号6+根号7+根号8+根号9+根号10)÷2
计算:/1-根号2/+/根号3-根号2/+/根号3-根号4/./根号2009-根号2010/
2次根式计算.(根号2+根号3-根号6)(根号2-根号3-根号6)
(1)根号(-6)²-(根号3)²+根号16 (2)根号(2-根号5)²+根号(根号5+2