230+870+1000
=1100+1000
=2100
230 + 870 + 1000 = ( 230 +870 ) +1000
= 1100+1000
= 2100
k mk nha
230 + 870 + 100 = 230 + 870
= 1100 + 1000
= 2100
k cho mình nha
230 + 870 + 1000 = 2100
k mik nha
happy new year
230+870+1000
=(230+870)+1000
=1100+1000
=2100
230 + 870 +1000
=1100 + 1000
=2100
ai tk mk mk k lại
230+870+1000=(230+870)+1000 =2100