Căn bậc hai - Căn bậc ba
Danh sách câu hỏi
-
[(5√2 – 3)(5√2 + 3) - Tự Học 365] (5√2 – 3)(5√2 + 3)
-
[2√3 và 3√2 - Tự Học 365] 2√3 và 3√2
-
[3√8 - 4√18 + 2√50 - Tự Học 365] 3√8 - 4√18 + 2√50
![B=\sqrt[3]{9+4\sqrt{5}}+\sqrt[3]{9-4\sqrt{5}}](http://images.tuyensinh247.com/picture/learning/exam/2014/0620/61067_371544_1.gif)
![\sqrt[3]{15}-\sqrt[3]{21}](http://images.tuyensinh247.com/picture/learning/exam/2014/0620/61069_30206_1.gif)
; ![3-\sqrt[3]{3}](http://images.tuyensinh247.com/picture/learning/exam/2014/0620/61069_35034_2.gif)
; ![\sqrt[3]{a^{2}x}+\sqrt[3]{b^{2}x}](http://images.tuyensinh247.com/picture/learning/exam/2014/0620/61069_517305_3.gif)
![\sqrt[3]{a^{3}+b^{3}}-\sqrt[3]{a^{2}-ab+b^{2}}](http://images.tuyensinh247.com/picture/learning/exam/2014/0620/61071_655319_1.gif)
![\sqrt[3]{2-3x}=-2](http://images.tuyensinh247.com/picture/learning/exam/2014/0620/61074_528461_1.gif)
![(2\sqrt[3]{x}+5)(2\sqrt[3]{x}-5)=-21](http://images.tuyensinh247.com/picture/learning/exam/2014/0620/61077_194765_1.gif)
√2 và 
√7