( -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

a, ( -4 ) . ( +3 ) . ( -125 ) . ( +25 ) . ( -8 )

=>300000

b, ( -67 ) . ( 1 - 301 ) - 301 . 67

=>-67

`a)-67.(1-301)-301.67`

`=67.(-1).(-300)-301.67`

`=67.300-301.67`

`=67.(300-301)`

`=67.(-1)`

`=-67`

__

`b)(-3879-3879-3879-3879).(-25)`

`=3879.(-4).(-25)`

`=3879.100`

`=387900`

$a)-67.(1-301)-301.67$

$=67.[-(1-301)-301]$

$=67.(-1+301-301)$

$=67.(-1)$

$=-67$

$b)(-3879-3879-3879-3879).(-25)$

$=3879.(-4).(-25)$

$=3879.100$

$=387900$

(-4).125.(-25).(-6).(-8)

=4.25.8.125.(-6)

=100.1000.(-6)

=-600000

(-4).3.(-125).(-8)

=4.3.125.(-8)

=12.(-1000)

=-12000

(-98).(1-246)-246.98

=98.(246-1)-246.98

=98.(246-1-246)

=98.(-1)

=-98

(-67).(1-301)-301.67

=67.(301-1)-301.67

=67.(301-1-301)

=67.(-1)

=-67

Chúc bn làm tốt hen!

 (-4).(+3).(-125).(-8)=-12000

b) (-67).(1-301)-301.67= -67

 (-4).(+3).(-125).(-8)=-12000

b) (-67).(1-301)-301.67= -67

a)\(29.\left(-13\right)-27.\left(-29\right)-14.\left(-29\right)\)

\(=13\left(-29\right)-27.\left(-29\right)-14.\left(-29\right)\)

\(=-29.\left(13-27-14\right)\)

\(=\left(-28\right).\left(-29\right)\)

\(=812\)

(-67).(1 – 301 ) – 301. 67 = (-67).1 + 67.301 – 67. 301 = -67