) 96 + (–73) + (–27)
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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
1.
=(25x4)x(96x2)
=100x192=19200
2.
=155x(42+58)
=155x100=1500
3.
=35x(461+539)
=35x1000=35000
4
=196x(73+27)
=196x100=19600
- =(25x4)x(96x2) =100x192 = 19200
- =155x(42+58) = 155x100 = 15500
- =35x(461+539) = 35x100 = 35000
- =196x(73+27)=196x100=19600
![](https://rs.olm.vn/images/avt/0.png?1311)
1452+96+(-23)+72-73-96
=1452+[+96+(-96)]+[(-23)+72-73]
=1452+0+[(-23)+(-1)]
=1452+-24
=1428
k nhe
![](https://rs.olm.vn/images/avt/0.png?1311)
73 . 35 + 27 . 19 - 20 . 73 + 81 . 27 + 85 . 73
= 73 . ( 35 - 20 + 85 ) + 27. ( 19 + 81 )
= 73 . 100 + 27. 100
= ( 73 + 27 ) . 100
= 100 . 100
= 10 000
![](https://rs.olm.vn/images/avt/0.png?1311)
27 x 332 + 68 x 27 + 73 x 332 + 68 x 73
= 27 x 332 + 27 x 68 + 73 x 332 + 73 x 68
= 27 x ( 332 + 68 ) + 73 x ( 332 + 68 )
= 27 x 400 + 73 x 400
= ( 27 + 73 ) x 400
= 100 x 400
= 40000
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(27.332+68.27+73.332+68.73\)
\(=27.\left(332+68\right)+73.\left(332+68\right)\)
\(=27.400+73.400\)
\(=\left(27+73\right).400\)
\(=400.100\)
\(=40000\)
=-4
=96-100=-4