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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
2016 x 72 + 2016 x 29 – 2016
=(2016-2016) x (72 + 29)
= 0 x 101=0
![](https://rs.olm.vn/images/avt/0.png?1311)
\(36\text{×}5+72\text{×}2-216+144\)
\(=36\text{×}5+36\text{×}2\text{×}2-36\text{×}6+36\text{×}4\)
\(=36\text{×}5+36\text{×}4-36\text{×}6+36\text{×}4\)
\(=36\text{×}\left(5+4-6+4\right)=36\text{×}7=252\)
![](https://rs.olm.vn/images/avt/0.png?1311)
198 x 27 + 198 x 72 + 198
= 198 x 27 + 198 x 72 + 198 x 1
= 198 x ( 27 + 72 + 1 )
= 198 x 100
= 19800
![](https://rs.olm.vn/images/avt/0.png?1311)
` 10000 – 47 xx 72 – 47 xx 28 `
`=10000-47xx(72+28)`
`=10000-47xx100`
`=100xx100-47xx100`
`=100xx(100-47)`
`=100xx53`
`=5300`
`10 000 - 47 xx 72 - 47xx28`
`=10 000 - 47 xx(72+28)`
`=10 000 - 47xx100`
`=10 000 - 4700`
`=5300`
![](https://rs.olm.vn/images/avt/0.png?1311)
378 x 46 + 189 x 72 - 4 x 78 x 25
= 17388 + 13608 - ( 4 x 25 ) x 78
= 17388 + 13608 - ( 100 x 78 )
= 17388 + 13608 - 7800
= ( 17388 - 7800 ) + 13608
= 9588 + 13608
= 23196