\(X:0,25+X:0,5-X.4=50.25\)
\(X.4+X.2-X.4=50,25\)
\(X.\left(4+2-4\right)=50,25\)
\(X.2=50,25\)
\(X=50,25:2\)
\(X=25,125\)
x:0,25=x*4
x:0,25=x*4
bằng x *4 + x * 4 + x*4 = 50,25
x * (4+4+4) = 50,25
x * 12 = 50,25
X = 50,25 : 12
X= 4,1875
theo Nguyễn Thanh Bình GIẢI
=x*4+x*2-x*4=50.25
(x*4-x*4)+x*2=50.25
x*2=50.25
x=25.125