a, (-4).(+125).(-25).(-6).(-8) =(-4).125.(-25).(-6).(-8)=(-500).(-25).(-6).(-8)=12500.(-6).(-8)=(-75000).(-8)=600000

b,(-98).(1-246)-246.98=(-98).(-245)-24108=24010-24108=-98

k mk nha!!!!

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

=[(-4).(-25)].[125.(-8)].-6

=[100.(-1000)].(-6)

=-100000.(-6)

=60000

b ) ( -98 ) . ( 1 - 246 ) - 246 . 98

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

= [125.(-8)].[(-25).(-4].(-6)

= (-1000).100.(-6)

= (-1000).(-600)

= 600000

b) (-98).(1-246)-264.98

= (-98).(-245)-246.98

= 98.245-246.98

= 98.(245-246)

= 98.(-1)
= (-98)

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

\(\text{(-4).(+125).(-25).(-6).(-8)}\)

\(=\left[\left(-4\right).\left(-25\right)\right].\left[125.\left(-8\right)\right].\left(-6\right)\)

\(=100.\left(-1000\right).\left(-6\right)\)

\(=-100000.\left(-6\right)=600000\)

\(\text{(-98).(1-246)-246.98}\)

\(=98.\left(245-246\right)\)

\(=98.\left(-1\right)\)

\(=-98\)

\(\text{63.(-25)+25.(-23)}\)

\(=25.\left[\left(-63\right)+\left(-23\right)\right]\)

\(=25.\left(-86\right)\)

\(=-2150\)

chúc bạn học tốt

a,(-4).(+125).(-25).(-6).(-8)

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

=100.(-1000).(-6)

=600,000

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

=(-98+1).246-246.98

=(-97).246-246.98

=246.[(-97)-98]

=246.1=246

a) \(\left(-4\right).125.\left(-25\right).\left(-6\right).\left(-8\right)\)

\(=\left(-4\right)\left(-25\right)\left(-8\right).125.\left(-6\right)\)

\(=100.\left(-1000\right).\left(-6\right)\)

\(=600000\)

b) \(\left(-98\right)\left(1-246\right)-246.98\)

\(=\left(-98\right)\left(-245\right)-246.98\)

\(=98.245-246.98\)

\(=98.\left(245-246\right)=98.\left(-1\right)=-98\)

a, (-4 ) * [(+125)

a)   ((-4)x(-25))x((-125)x(-8))x(-6)

       =100x1000x(-6)

        =100000x(-6)

        =-600000

b) =(-98)x(-245)-246x98

= 98 x 245 - 246x98

= 98x(245-246)

=98x(-1)

=-98

 (-4).125(-25)(-6)(-8)

 = [ ( -4 ) . ( -25 ) ] . [ 125  . ( -8 ) ] . ( -6 )

=  100 . ( -1000 )  . ( -6 )

 = -100000 . ( -6 )

= 600000