Các câu hỏi tương tự
tim X biet aaaa: X = a
tim X biet X x a = a0a0a0
Tim X, biet: X x 2 + X x 3 + X x 4 + X = 100
tim X biet: X x 2 + X x 3 + X x 4 + X x 5 + x = 2130
tim x biet 1- 1/x - 1/3
tim so tu nhien x biet :x<3
Tim x, biet : 5/4 nhan x = 5/8 + 3/12
tim x biet (x+11) /(26+2x)=2/3
tim so tu nhien x, y biet : 3/x+y/3=5/6
tim x biet
x+12=126:3