Question

25.(75-49)+75.(25-49) tính nhanh nhé

 

Answer 1

25 . (75 - 49) + 75 . (25 - 49)

= 25 . 75 - 25 . 49 + 75 . 25 - 75 . 49

= 1875 - 1225 + 1875 - 3675

= 650 + 1875 - 3675

= 2525 - 3675

= -1150

Answer 2

cam on nhieu

Answer 3

=25.75-25.49+75.25-75.49

=1875-1225+1875-3675

=650+1875-3675

=2525-3675

=-1150