200 + 400 + 600 + 1000
= 600 + 600 + 1000
= 1200 + 1000
= 2200
200 + 400 + 600+ 1000 = 600 + 600 + 1000 = 1200 + 1000 = 2200
200 + 400 + 600 + 1 000
= 600 + 600 + 1 000
= 1 200 + 1 000
= 2200
tk mình nha
200+400+600+1000
=600+600+1000
=1200+1000
=2200
200 + 400 + 600 + 1000
= 600 + 600 + 1000
= 1200 + 1000
= 2200