20 + 20 + 60 + 100 + 600 + 200 = 1000
k mk nhaTomori Nao
20 + 20 + 60 + 100 + 600 + 200
= 1000
ai k mk
mk k lại, thề ko nói xạo
20+20+60+100+600+200
=40+60+100+600+200
=100+100+600+200
=200+600+200
=800+200
=1000
nhae
20 + 20 + 60 + 100 + 600 + 200
= 40 + 60 + 100 + 600 + 200
= 100 + 100 + 600 + 200
= 200 + 600 + 200
= 800 + 200
= 1000
20 + 20 + 60 + 100 + 600 + 200
= ( 20 x 2 + 60 ) + 100 + 600 + 200
= 100 + 100 + 600 + 200
= 1000
nhé !
dễ
20+20+100+600+200
=(20+20)+60+100+600+200
=40+60+100+600+200
=100+100+800
=1000