100 + 100 + 200 + 200 + 300 + 300
= 200 + 200 + 200 + 300 + 300
= 400 + 200 + 300 + 300
= 600 + 600
= 1200
Trả lời :
100 + 100 + 200 + 200 + 300 + 300
= ( 100 + 200 + 300 ) x 2
= 600 x 2
= 1200
100+100+200+200+300+300
=(100x2)+(200x2)+(300x2)
=200+400+600
=200+(400+600)
=200+1000
=1200
dethemakhonglamduoc
100+100+200+200+300+300=1200
100 + 100 + 200 + 200 + 300 + 300 = 1200 bạn nhé
100+100+200+200+300+300=1200