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`2345 x 25 x 2345 x 74 + 2345`
`= 2345 x ( 25 + 74 + 1 )`
`= 2345 x 100 `
`= 234 500`
![](https://rs.olm.vn/images/avt/0.png?1311)
2345 x 25 x 2345 x 74 + 2345
= 2345 x ( 25 + 74 + 1 )
= 2345 x 100 = 234 500
2345 x 25 x 2345 x74 +2345
=2345 x 25 x2345 x 74 +2345 x 1
= 2345 x ( 25+74 +1 )
=2345 x 100
=234500
![](https://rs.olm.vn/images/avt/0.png?1311)
2345 x 25 + 2345 x 74 + 2345 = 2345 x (25+74) = 232155
2345 x 25 + 2345 x 74 + 2345
= 2345 x 25 + 2345 x 74 + 2345 x 1
= 2345 x ( 25 + 74 + 1 )
= 2345 x 100
= 234500
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
Ta có :
250 * y + 750 * y = 1001 * 2345 - 2345
=> ( 250 + 750 ) * y = ( 1001 - 1 ) * 2345
=> 1000 * y = 1000 * 2345
=> y = 2345
Vậy y = 2345
\(yx\left(250+750\right)=2347345-2345\)
\(yx1000=2345000\)
\(y=2345000:1000\)
\(y=2345\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(=2345\left(7+13+80\right)+7655\left(24+25+51\right)=10000\cdot100=1000000\)