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\(16,24\times x+x\times23,76=2,8\)
\(x\times\left(16,24+23,76\right)=2,8\)
\(x\times40=2,8\)
\(\Rightarrow x=2,8:40=\frac{7}{100}\)
Vậy ...
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16.24 x X + X x 23.76 = 2.8
X x ( 16.24 + 23.76 ) = 2.8
X x 40 = 2.8
X = 2.8 : 40
X = 0.07
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
a, \(=16,24\left(12-3+1\right)\)
\(=16,24.10=162,4\)
b, \(=1,25\left(1+2+7\right)\)
\(=1,25.10=12,5\)
c, \(=2,46\left(2+8\right)\)
\(=2,46.10=24,6\)
\(a,=16,24\times12-16,24\times3+16,24\times1\\ =16,24\times\left(12-3+1\right)=16,24\times10=162,4\\ b,=1,25\times\left(1+2+7\right)=1,25\times10=12,5\)
![](https://rs.olm.vn/images/avt/0.png?1311)
Xx3,6=0,17x0,9
Xx3,6=0,153
X=0,153÷3,6
X=0,0425
2,3:2,8xX=57,5
2,8×X=2,3:57,5
2,8×X=0,04
X=0,04:2,8
X=0,01428571429
0,16:(x:3,5)=2,8
X:3,5=0,16:2,8
X:3,5=0,05714285714
X=0,05714285714×3,5
X=0.2
![](https://rs.olm.vn/images/avt/0.png?1311)
a) x:0,25+x.11=24
x.4+x.11 =24
x.(4+11) =24
x.15 =24
x=24:15
x=1,6
Trả lời :....................
x = 16.................................
Hk tốt,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
16,24 x X + X x 23,76 = 2,8
( 16,24 + 23,76 ) x X = 2,8
40 x X = 2,8
X = 2,8 :40
X = 0,07
Đáp số :0,07