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a) =(-4).(-25).125.(-8).(-11)
= 100.(-1000).(-11)
= (-100000).(-11)
= 1100000
b) =(-823)+823 . 812-812.823
=(-823)+(823.812-812.823)
= (-823) +0
=-823
k giùm mình nha!
Hok tốt!
![](https://rs.olm.vn/images/avt/0.png?1311)
a)(-4).(-3).(-125).25.(-8)
=[(-4).25].[(-125).(-8)].3
=(-100).1000.3
=-100000.3
=-300000
b)(-4).9.(-125).25.(-8)
=[(-4).25].[(-8).(-125)].9
=(-100).1000.9
=-100000.9
=-900000
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
a)(-4).(125).(-25).(-6).(-8) b) (-98).(1-246)-246.98
=((-4).(-25)).(125.-8).-6 =(-98).(-245)-246.98
=100.-1000.6 =24010-92708
=-600000 =-68698
![](https://rs.olm.vn/images/avt/0.png?1311)
a ) ( -4 ) . ( +125 ) . ( -25 ) . ( -6 ) . ( -8 )
=[(-4).(-25)].[125.(-8)].-6
=[100.(-1000)].(-6)
=-100000.(-6)
=60000
b ) ( -98 ) . ( 1 - 246 ) - 246 . 98
![](https://rs.olm.vn/images/avt/0.png?1311)
( -4 ) . 3 . ( -125 ) . 25 . ( -8 )
= [ -4 . 25 ] . [ -125 . ( -8 ) ] . 3
= -100 . 1000 . 3
= -100 000 . 3
= -300 000
( -67 ) . ( 1 - 301 ) - 301 . 67
= ( -67 ) . 1 - 301 - 301 . 67
= -67 . 1
= -67
a, ( -4 ) . ( +3 ) . ( -125 ) . ( +25 ) . ( -8 )
= ( - 4 ) . ( + 25 ) . ( - 125 ) . ( - 8 ) . ( + 3 )
= 100 . 1000 . 3
= 100000 . 3
= 300000
b, ( -67 ) . ( 1 - 301 ) - 301 . 67
= ( - 67 ) . 1 + 67 . 301 - 301 . 67
= -67 . 1
= - 67
![](https://rs.olm.vn/images/avt/0.png?1311)
= ((-4)x(-25))x(125x(-8))x(-6)
= 100 x -1000 x -6
= -100000 x -6
= -600000