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a) X – 34562 = 2345
X= 2345 + 34562
X = 36907
b) X : 34 = 1023
X= 1023 x 34
X =34782
![](https://rs.olm.vn/images/avt/0.png?1311)
\(2345\times34:100+123,5-123,3\)
\(=79730:100+123,5-123,3\)
\(=797,3+123,5-123,3\)
\(=797,3-123,3+123,5\)
\(=674+123,5\)
\(=797,5\)
\(2345\times34:100+123,5-123,3\)
\(=79730:100+123,5-123,3\)
\(=797,3+123,5-123,3\)
\(=920,8-123,3\)
\(=797,5\)
_Chúc bạn học tốt_
![](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`
![](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)
\(=2345\left(7+13+80\right)+7655\left(24+25+51\right)=10000\cdot100=1000000\)
![](https://rs.olm.vn/images/avt/0.png?1311)
ôi dồi ôi!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
![](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)