Các câu hỏi tương tự
tim x x- [1/4+1/8] bang 5/8
Tim X
a/ X:36-5=12
b/ 3/5-x+1/3=1/4
tim x:
4/x=1/5
tim x;
4/x=1/5
4/x=1/5. tim x?
A=(1-1/3)x(1-1/4)x(1-1/5)x......x(1-1/99). Tim A
tim x biet 3/5 - 1/4 : x = 25/100
tim x
(3/5-x)+13/20=5/6
(x-1/2)x5/3=7/4-1/2
tim x
A ; x:5\4 =9\5 +1\2
B;[x+3\4]*5\7=10\9