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a , 7 , 25 × y + 5 , 6 = 58 y + 5 , 6 = 58 : 7 , 25 y = 8 − 5 , 6 y = 2 , 4 b , 470 , 04 : y = 24 y = 470 , 04 : 24 y = 19 , 585
![](https://rs.olm.vn/images/avt/0.png?1311)
a) 7 , 25 × y + 5 , 6 = 58
y + 5 , 6 = 58 : 7 , 25
y = 8 − 5 , 6
y = 2 , 4
b) 470 , 04 : y = 24
y = 470 , 04 : 24
y = 19 , 585
![](https://rs.olm.vn/images/avt/0.png?1311)
a)470,04/x*0,01=0,24
470,04/x=0,24/0,01
470,04/x=24
x=470,04/24
x=19,585
b)x*7,25+27,5=100
x*7,25=100-27,5
x*7,25=72,5
x=72,5/7,25
x=10
![](https://rs.olm.vn/images/avt/0.png?1311)
X*7.25=77.50
X=77.5:7.25
X=\(\frac{310}{29}\)
32.68*X=99.3472
X=99.3472:32.68
X=3.04
470.04:X=2.4
X=470.04:2.4
X=195.85
625.17:X=6.2517
X=625.17:6.2517
X=100
![](https://rs.olm.vn/images/avt/0.png?1311)
\(x\times7,25=72,50\)
\(x=72,50:7,25\)
\(x=10\)
470,04 : x = 24
x = 470,04 : 24
x = 19,585
\(x\)x 7,25 = 72,50 => \(x=\frac{72,50}{7,25}=10\)
470,04 : \(x\)= 24 => \(x=\frac{470,04}{24}=19,585\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a, x* 7,25 = 72,50
x = 72,50 : 7,25
x = 10
b, 470,04 : x = 24
x = 470,04 : 24
x = 19,585
c, 32,68 *x = 99,3472
x = 99,3472 : 32,68
x = 3,04
d, 625,17 : x = 6,2517
x = 625,17 : 6,2517
x = 100
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
A, y x 7,25 = 72,50
y = 100
B,470,04 : y = 24
y = 19,585
kb nhé!!!
a) x . 7,25 = 72,50
x = 72,50 : 7,25
x = 10
b) 470,04 : y = 24
y = 470 ,04 : 24
y = 19,585
Học tốt~~~