12345+5
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a: \(\dfrac{12345\cdot98765-86420}{12345+12344\cdot98765}\)
\(=\dfrac{12344\cdot98765+98765-86420}{12345+12344\cdot98765}\)
\(=\dfrac{12344\cdot98765+12345}{12345+12344\cdot98765}=1\)
![](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)
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![](https://rs.olm.vn/images/avt/0.png?1311)
12345+12345+12345+12345=12345x4
=49380nha bạn
k nha
![](https://rs.olm.vn/images/avt/0.png?1311)
12345 x 17 + 23 x 12345 + 12345 + 12345 x 35 + 12345 x 24
= 12345 x 17 + 23 x 12345 + 12345 x 1 + 12345 x 35 + 12345 x 24
= 12345 x (17 + 23 + 1 + 35 + 24)
= 12345 x 100
= 1234500
=> 12345 x (17 + 23 + 1 + 35 + 24 )
=> 12345 x 100
=> 1234500
![](https://rs.olm.vn/images/avt/0.png?1311)
12345 x 17 + 23 x 12345 + 12345 + 12345 x 35 + 12345 x 24
= 12345 x 17 + 23 x 12345 + 12345 x 1 + 12345 x 35 + 12345 x 24
= 12345 x (17 + 23 + 1 + 35 + 24)
= 12345 x 100
= 1234500
![](https://rs.olm.vn/images/avt/0.png?1311)
12345 x 17 + 23 x 12345 + 12345 + 12345 x 35 + 12345 x 24
= 12345 x 17 + 23 x 12345 + 12345 x 1 + 12345 x 35 + 12345 x 24
= 12345 x (17 + 23 + 1 + 35 + 24)
= 12345 x 100
= 1234500
![](https://rs.olm.vn/images/avt/0.png?1311)
12345 x 17 + 23 x 12345 + 12345 + 12345 x 35 + 12345 x 24
= 12345 x 17 + 23 x 12345 + 12345 x 1 + 12345 x 35 + 12345 x 24
= 12345 x (17 + 23 + 1 + 35 + 24)
= 12345 x 100
= 1234500
=12350
các bạn cho mk vài li-ke cho tròn 700 với
12350 nha , mk trước nè