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

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

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

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

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

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

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

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

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

\(=-98\)

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

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

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

\(=-2150\)

chúc bạn học tốt

(-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!

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

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

                                     =  600 000

b) (-98).(1-246)-246.98 = (-98).(-245)-246.98

                                  = 98.(245-246)

                                   = 98 . (-1)

                                     = -98

=a

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

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

=600000

b

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

=98.245-246.98

=98.(245-246)

=98.(-1)

=-98

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)*125*(-25)*(-6)*(-8)=[(-4)*(-25)]*(-8*125)*(-6)=100*(-1000)*(-6)=600000

b)(-98)(1-246)-246*98=(-98)+98*246-246*98=(-98)