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a, 0,12*x=6
x= 6:0,12
x=50
b, x:2,5=4
x=4x2,5
x=10
c,5,6:x=4
x=5,6:4
x=1,4
d,x*0,1=2/5
x=2/5:0,1
x=4
a, 0,12 . x = 6
x = 6 :0,12
=>x=50
b, x : 2,5 =4
x = 4. 2,5
=> x= 10
c, 5,6 : x = 4
x = 5,6 : 4
=> x=1,4
d, x . 0,1 = 2/5
x . 0,1 = 0,4
x = 0,4 : 0,1
=> x = 4
k gíup mik nhé
`a)0,12 xx x=6`
`x=6:0,12`
`x=50`
`b)x:2,5=4`
`x=2,5xx4`
`x=10`
`c)5,6:x=4`
`x=5,6:4`
`x=1,4`
`d)x xx0,1=2/5`
`x = 2/5:0,1`
`x=2/5 :1/10`
`x=2/5xx10/1`
`x=4`
`x xx4/5 :2=6/7`
`x xx 4/5xx1/2=6/7`
`x xx2/5=6/7`
`x=6/7:2/5`
`x=6/7xx5/2`
`x=15/7`
b)
`6/5:x:5/4=10/15`
`6/5:x xx4/5=2/3`
`6/5:x=2/3:4/5`
`6/5:x=2/3xx5/4`
`6/5:x=5/6`
`x=6/5:5/6`
`x=6/5xx6/5`
`x=36/25`
a) x × 4/5 : 2 = 6/7
x × 4/5 = 6/7 × 2
x × 4/5 = 12/7
x = 12/7 : 4/5
x = 15/7
b) 6/5 : x : 5/4 = 10/15
6/5 : x : 5/4 = 2/3
6/5 : x = 2/3 × 5/4
6/5 : x = 5/6
x = 6/5 : 5/6
x = 36/25
A) 0,12 x X=6
X=6 : 0,12
X=50
B) X : 2,5 =4
X =4 x 2,5
X = 10
C) 5,6 : X = 4
X= 5,6 : 4
X = 1,4
D) X x 0,1 = 10
X = 10 : 0,1
X = 100
A ) 0,12 x X = 6
x=6:0,12
x=50
B ) X : 2,5 = 4
x=4x2,5
x=10
C ) 5,6 : X = 4
x=5,6:4
x=1,4
D ) X x 0,1 = 10
x=10:0,1
x=100
a) x= 6 : 0,12 b) x= 4 x 2,5
x= 50 x= 10
c) x= 5,6 : 4 d) x=\(\frac{2}{5}\):0,1
x= 1,4 x= 4
a) 0,12 x X = 6
X = 6 : 0,12
X = 50
b) X : 2,5 = 4
X = 4 x 2,5
X = 10
c) 5,6 : X = 4
X = 5,6 : 4
X = 1,4
d) X x 0,1 = 2/5
X = 2/5 : 0,1
X = 4
a; 2,5 \(\times\) \(x\) + 3,7 \(\times\) \(x\) - 4,8 \(\times\) \(x\) + 216,5 \(\times\) 8 = 2012
\(x\) \(\times\) (2,5 + 3,7 - 4,8) + 1732 = 2012
\(x\) \(\times\) 1,4 + 1732 = 2012
\(x\) \(\times\) 1,4 = 2012 - 1732
\(x\) \(\times\) 1,4 = 280
\(x\) = 280 : 1,4
\(x\) = 200
b; \(\dfrac{3}{4}\) - \(\dfrac{1}{4}\) : \(x\) = \(\dfrac{1}{6}\)
\(\dfrac{1}{4}\) : \(x\) = \(\dfrac{3}{4}\) - \(\dfrac{1}{6}\)
\(\dfrac{1}{4}\) : \(x\) = \(\dfrac{7}{12}\)
\(x\) = \(\dfrac{1}{4}\) : \(\dfrac{7}{12}\)
\(x\) = \(\dfrac{3}{7}\)
a) PT \(\Leftrightarrow x=\dfrac{6}{0,12}=50\)
Vậy \(x=50\)
b) PT \(\Leftrightarrow x=4\cdot2,5=10\)
Vậy \(x=10\)
c) PT \(\Leftrightarrow x=\dfrac{5,6}{4}=1,4\)
Vậy \(x=1,4\)
d) \(\Leftrightarrow x=\dfrac{\dfrac{2}{5}}{0,1}=4\)
Vậy \(x=4\)
a) \(0,12\times x=6\)
\(x=\dfrac{6}{0,12}\)
\(x=50\).