100 + 100 = 200
200 + 200 = 400
400 + 400 = 800
700 + 700 = 1400
100+100=200
200+200=40
400+400=800
700+700=1400
100 + 100 = 200
200 + 200 = 400
400 + 400 = 800
700 + 700 = 1400
chúc bn học giỏi gửi lời kb nha
100+100=200
200+200=400
400+400=800
700+700=140000
k mk nha!
100+100=200
200+200=400
400+400=800
700+700=1400
100+100=200
200+200=400
400+400=800
700+700=1400
100 + 100 = 200
200 + 200 = 400
400 + 400 = 800
700 + 700 = 1400
100 + 100 = 200
200 + 200 = 400
400 + 400 = 800
700 + 700 = 1400
hok tốt .
100+100 = 200
200+200 = 400
400+400 = 800
700+700 = 1400
100+100=200
200+200=400
400+400=800
700+700=1400