X : 0,25 + X x 11 = 24
X x 25 : 100 + X x 11 = 24
X x 1/4 + X x 11 = 24
X x 4 + X x 11 = 24
X x ( 4 + 11 ) = 24
X x 15 = 24
X = 24 : 15
X = 1,6
x.4+x.11=24
x.(4+11)=24
x.15=24
x=24/15
x=1,6
Ta có:
\(x\div0,25+x\times11=24\)
\(x\times4+x\times11=24\) (\(x\div0,25=x\times4\) nhé em)
\(x\times\left(4+11\right)=24\) (tính chất phân phối)
\(x\times15=24\)
\(x=24\div15=1,6\)
\(x:0,25+x\times11=24\)
\(x:\frac{25}{100}+x\times11=24\)
\(x:\frac{1}{4}+x\times11=24\)
\(x\times4+x\times11=24\)
\(x\times\left(4+11\right)=24\)
\(x\times15=24\)
\(x=\frac{24}{15}=\frac{8}{5}\)
x:0,25+x.11=24
x:1/4+x.11=24
x.4+x.11=24
x.(4+11)=24
x.15=24
tự tính tiếp