T
trongtien09


Đề :
[tex]A = \sqr[3]{1+\sqr{2}}-\sqr[3]{2+\sqr{3}}+\sqr[3]{3+\sqr{4}}-...+\sqr[3]{49+\sqr{50}}-\sqr[3]{50+\sqr{51}} [/tex]
[tex]A = \sqr[3]{1+\sqr{2}}-\sqr[3]{2+\sqr{3}}+\sqr[3]{3+\sqr{4}}-...+\sqr[3]{49+\sqr{50}}-\sqr[3]{50+\sqr{51}} [/tex]