Các câu hỏi tương tự
ki hieu [x] la so nguyen lon nhat ko vuot qua x. tim [A] biet
A=1/22+1/32+...+1/20142
giup dum
tim x biet 1/1.2.3+1/2.3.4+...+1/8.9.10.x=22/45
giup dum minh like cho
tim x biet 1/1.2.3+1/2.3.4+...+1/8.9.10.x=22/45
giup dum minh like cho
tim x ,y la so nguyen to biet : x^2 - 6y^2 -1 =0
tim cac so nguyen x,y biet x^2-(y-3)x-2y-1=0
Tim so nguyen x,y biet:
(x+1)^2+(y-1)^2=0
Tim x biet x-1/2015 + x-2/2014= x-3/2013 + x-4/2012
Tim x,y nguyen biet \(\left(x+1\right)\left(x-1\right)=2y^2\)
tim x;y nguyen duong biet 7(x-1)2=23-y2