Question

tính nhanh (-2).(+125).(-7).5.(-8)

Answer 1

 (-2).(+125).(-7).5.(-8)

=(-2.5).[125.(-8)].(-7)

=-10.[-1000].(-7)

=10000.(-7)

=-70000

Answer 2

(-2).(+125).(-7).5.(-8)

= [(-2).5] . [125.(-8)] . (-7)

= -10 . ( -1000 ) . (-7)

= 10000 . (-7)

= -70000

HỌC TỐT !

Answer 3

 (-2).(+125).(-7).5.(-8)

=(-2).5.125.(-8).(-7)

=-10.(-1000).(-7)

=10000.(-7)

=-70000

Answer 4

(-2).125.(-7).5.(-8)

=(-250).280

=(-70000)