minh khong hieu ban giai thich cho minh di
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Tim so tu nhien x biet1va1/5 nhan 1va1/6 nhan 1va1/7....nhan 1va1/2014
x - 5/6 : 1va1/6 = 0,125
1va1/6 la hon so
tim so tu nhien x biet 1va1/5 x 1va1/6.......x1va1/2014
5va 1/3+2va2/5+1va1/9=
1va1/3 + 1va 1/5 x y- 4/5=2va4/5
2/3 * X : 1/5 = 1va1/3 :1/4
tinh gia tri bieu thuc
3/4 x 8,4 +2,8 x 1va1/2
1va1/2 la hon so nha
4+3/8<x>1va1/3+5va2/3
1va1/ gio .... phut