\(1389\times x:9=1923\times3-5769\)
`1389xx x : 9 = 5769-5769=0`
\(x:9=0:1389\)
`x:9=`
`x=0xx9`
`x=0`
1389 x X : 9 = 1923 x 3 - 5769
1389 x X : 9 = 0
1389 x X = 0 x 9
1389 x X = 0
X = 0 : 1389
X = 0
1389 x X : 9 = 5769-5769
1389 x X : 9=0
X : 9=0:1389
X : 9=0
X = 0 x 9
X = 0
Đầy đủ nhất!