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![](https://rs.olm.vn/images/avt/0.png?1311)
=2017.2016.10001-2016.2017.10001 =0(vì hai vế bằng nhau trừ cho nhau luôn bằng 0)
2017.20162016-2016.20172017
=2017.2016.10001-2016.2017.10001
=2017.10001.2016-2016.20172017
=20172017.2016-2016.20172017
=20172017.(2016-2016)
=20172017.0
=0
![](https://rs.olm.vn/images/avt/0.png?1311)
\(B=2015.20162016-2016.20152015\)
\(B=2015.2016.10001-2016.2015.10001\)
\(B=0\)
Ủng hộ mk nha ^_^
![](https://rs.olm.vn/images/avt/0.png?1311)
\(B=2016.20152015-2015.20162016\)
\(B=2016.2015.10001-2015.2016.10001\)
\(B=0\)
Ủng hộ mk nha ^_^
![](https://rs.olm.vn/images/avt/0.png?1311)
\(B=2016.20152015-2015.20162016\)
\(B=2016.10001.2015-2015.10001.2016\)
\(B=0\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a = 2015 x 20162016
A = 2015 x 10001 x 2016
B = 2016 x 20152015
B = 2016 x 10001 x 2015
=> A = B
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
20162016 - 20152015
= 2016 x 10001 - 2015 x 10001
= 10001 x (2016 - 2015)
= 10001 x 1
= 10001
![](https://rs.olm.vn/images/avt/0.png?1311)
a) (44 x 52 x 60) : (11 x 13 x 15)
= 44 x 52 x 60 : 11 : 13 : 15
= (44 : 11) x (52 : 13) x (60 : 15)
= 4 x 4 x 4
= 64
b) 2016 x 20152015 - 2015 x 20162016
= 2016 x (20150000 + 2015) - 2015 x (20160000 + 2016)
= 2016 x (2015 x 10000 + 2015) - 2015 x (2016 x 10000 + 2016)
= 2016 x [2015 x (10000 + 1)] - 2015 x [2016 x (10000 + 1)]
= 2016 x 2015 x 10001 - 2015 x 2016 x 10001
= 0
c) 46 x 37 + 46 x 63 + 54 x 267 - 54 x 167
= 46 x (37 + 63) + 54 x (267 - 167)
= 46 x 100 + 54 x 100
= 100 x (46 + 54)
= 100 x 100
= 10000
( 20152015/20162016 + 20172017/20162016 ) . x - 1 = 2016
2.x-1=2016
2x=2017
x=2017:2
x=1008,5
=>2.x-1=2016
=>2x =2017
=>x=1008,5