Các câu hỏi tương tự
1va1/4+2va2/5ta=...kg( va la hon so may mk ko viet hon so duoc)
5 va1/3 = 2va2/5x1 va 1/9
2/3 * X : 1/5 = 1va1/3 :1/4
1va1\3nhan 1va1\3nhan 1va14 nhan1va1\5 1va1\5 nhan1va1\6nhan1va1\7nhan1va1\8
1va1/3 + 1va 1/5 x y- 4/5=2va4/5
Tim so tu nhien x biet1va1/5 nhan 1va1/6 nhan 1va1/7....nhan 1va1/2014
2/9+2va4/9x1/2-3/4:1va1/2
4 và 2/5+2 va 3/7-2va2/5+5 va 4/7
x - 5/6 : 1va1/6 = 0,125
1va1/6 la hon so