九年级数学 帮帮忙,,谢谢
来源:百度知道 编辑:UC知道 时间:2024/05/26 13:47:01
(1) 3根号40 - 根号90 - 5根号2/5 =
(2) 根号6/2 - 2根号6 =
(3) 9根号a + 根号9a - 根号36a =
(4) 2根号3(1 - 根号2) + 2根号6 - 3 =
(5) 3/2根号8/3 - 5根号150 =
(6) 根号18 - (根号27 + 根号98 - 2根号75) =
(7) 根号2*根号3 + 根号6 =
(8) a(a - 1) =
(9) 根号3(根号3 - 1) =
(10) (5根号15 - 根号3/5) 除以 根号5 =
(2) 根号6/2 - 2根号6 =
(3) 9根号a + 根号9a - 根号36a =
(4) 2根号3(1 - 根号2) + 2根号6 - 3 =
(5) 3/2根号8/3 - 5根号150 =
(6) 根号18 - (根号27 + 根号98 - 2根号75) =
(7) 根号2*根号3 + 根号6 =
(8) a(a - 1) =
(9) 根号3(根号3 - 1) =
(10) (5根号15 - 根号3/5) 除以 根号5 =
(1) 3根号40 - 根号90 - 5根号2/5 =2根号10
(2) 根号6/2 - 2根号6 =2根号6+根号3
(3) 9根号a + 根号9a - 根号36a =6根号a
(4) 2根号3(1 - 根号2) + 2根号6 - 3 =2根号3-3
(5) 3/2根号8/3 - 5根号150 =-24根号6
(6) 根号18 - (根号27 + 根号98 - 2根号75) =7根号3-4根号2
(7) 根号2*根号3 + 根号6 =2根号6
(8) a(a - 1) =a平方-a
(9) 根号3(根号3 - 1) =3-根号3
(10) (5根号15 - 根号3/5) 除以 根号5 = 24根号3/5