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=9,78x11,5-9,78x3,5+9,78x2
=9,78x(11,5-3,5+2)
=9,78x10
=97,8
![](https://rs.olm.vn/images/avt/0.png?1311)
x : 0,5 + 0,125 = 9,78
x : 0,5 = 9,78 - 0,125
x : 0,5 = 9,655
x = 9,655 . 0,5
x = 4,8275
Vậy x = 4,8275
![](https://rs.olm.vn/images/avt/0.png?1311)
4,25 x (X+ 41,53) - 125= 53,5
4,25 x (X+ 41,53)= 53,5+ 125
4,25 x (X+ 41,53) = 178,5
X+ 41,53= 178,5: 4,25
X+ 41,53= 42
X= 42- 41,53
X= 0,47
Tk cho mk nhé ^^
4,25x(X+41,53)-125=53,5
4,25x(X+41,53)=53,5+125
4,25x(X+41,53)=178,5
X+41,53=42
X=0,47
#H
![](https://rs.olm.vn/images/avt/0.png?1311)
a) y x 8 + y : 0,5 = 9,78
y x 8 + y x 2 = 9,78
y x ( 8 + 2 ) = 9,78
y x 10 = 9,78
y = 9,78 : 10
y = 0,978
b) 92 . x + x : 0,125 = 746,2
92 . x + x . 8 = 746,2
x . ( 92 + 8 ) = 746,2
x . 100 = 746,2
x = 746,2 : 100
x = 7,462
![](https://rs.olm.vn/images/avt/0.png?1311)
heheheheheheboyyyy
a, x:0,5+x:0,125 đáp án đâu baaa
b,(3,5x10)x(53x11-5300x0,1-53)
(3,5x10)x(53x11-53x10-53x1)
(3,5x10)x[53x(11-10-1)]
(3,5x10)x(53x0)
35x0
=0
tick hộ anh vs
![](https://rs.olm.vn/images/avt/0.png?1311)
\(x:0,5+x:0,125=9,78\\ x.2+x.8=9,78\\ x.10=9,78\\ x=9,78:10\\ x=0,978\)
x: (90,5+0,125)=9,78
x: 90,625 =9,78
x =9,78*90,625
x =886,3125
mik ko chắc lém
![](https://rs.olm.vn/images/avt/0.png?1311)
x x ( 0,5 + 0,125) = 9,78
x x 0,625 = 9,78
x = 9,78 : 0,625
x = 15,648
x * 0,5 + x * 0,125 = 9,87
x : 2 + x : 8 = 9,87
x : ( 2 + 8 ) = 9,87
x : 10 = 9,87
x = 9,87 * 10
x = 98,7
tick cko mik nha bạn
x : 0,5 + x : 0,125 = 9,78
x : ( 0,5 + 0,125 ) = 9,78
x : 0,625 = 9,78
x = 9,78 x 0,625
x = 6,1125
\(x\div0,5+x\div0,125=9,78\)
\(\Rightarrow x\times2+x\times8=9,78\)
\(\Rightarrow x\left(8+2\right)=9,78\)
\(\Rightarrow10x=9,78\)
\(\Rightarrow x=9,78\div10\)
\(\Rightarrow x=0,978\)