x:0,25 - x =15,6
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\(x:0,25-x=15,6\)
\(x:\dfrac{1}{4}-x=15,6\)
\(x\text{×}4-x\text{×}1=15,6\)
\(x\text{×}\left(4-1\right)=15,6\)
\(x\text{×}3=15,6\)
\(x=15,6:3\)
\(x=5,2\)
x :0,25 -x=15,6
X x4 -x =15,6
X -1 x4 =15,6
X -4 =15,6
X=15,6+4
X=19,6
\(\text{X : 0,25 - X = 15,6}\)
\(x:\left(0,25-1\right)=15,6\)
\(x.\left(\frac{-3}{4}\right)=\frac{78}{5}\)
\(x=\frac{78}{5}:\left(\frac{-3}{4}\right)\)
\(x=-20,8\)
chúc bạn học tốt
\(x\div0,25-x=15,6\)
\(\Leftrightarrow\)\(x\div\frac{1}{4}-x=15,6\)
\(\Leftrightarrow\)\(x\times4-x=15,6\)
\(\Leftrightarrow\)\(x\times\left(4-1\right)=15,6\)
\(\Leftrightarrow\)\(x\times3=15,6\)
\(\Leftrightarrow\)\(x=15,6\div3\)
\(\Leftrightarrow\)\(x=5,2\)
\(x\div0,25-x=15,6\)
\(\Rightarrow\)\(x\div\frac{1}{4}-x=15,6\)
\(\Rightarrow\)\(x\times4-x=15,6\)
\(\Rightarrow\)\(x\times\left(4-1\right)=15,6\)
\(\Rightarrow\)\(x\times3=15,6\)
\(\Rightarrow\)\(x=15,6\div3\)
\(\Rightarrow\)\(x=5,2\)
a) \(210:x=2,1:0,25=8,4\)
\(x=210:8,4=25\)
b) \(x.2+x.0,5=6,25\)
\(2,5x=6,25\)
\(x=6,25:2,5=2,5\)
c) \(x:0,25-x=15,6\)
\(3x=15,6\)
\(x=5,2\)
d) \(x:12,5=3,75.4=15\)
\(x=15.12,5=187,5\)
e) \(x.12,6-x.5,6=42\)
\(7x=42\)
\(x=6\)
g) \(x:0,1-x:4-x.0,75=2,25\)
\(10x-\dfrac{x}{4}-\dfrac{3x}{4}=2,25\)
\(9x=2,25\)
\(x=0,25\)
x:0,25-x=15,6
x.4-x=15,6
x.(4-1)=15,6
x.3=15,6
x=15,6:3
x=5,2
\(x:0,25-x=15,6\)
\(\Leftrightarrow4x-x=15,6\)
\(\Leftrightarrow x\left(4-1\right)=15,6\)
\(\Leftrightarrow3x=15,6\)
\(\Leftrightarrow x=5,2\)