100+200+300+400+500+300:2
=100+200+300+400+500+150
=(100+500)+(200+400)+(300+150)
=600+600+450
=600x2+450
=1200+450
=1650
ai tích mik mik hứa tích lại
\(100+200+300+400+500+300:2\)
\(=100+200+300+400+500+150\)
\(=300+300+400+500+150\)
\(=600+400+500+150\)
\(=1000+500+150\)
\(=1500+150\)
\(=1650\)
\(Ai\)\(k\)\(minh,minh\)\(k\)\(lai!!\)
100+200+300+400+500+300:2
=100+200+300+400+500+150
=300+300+400+500+150
=600+400+500+150
=1000+500+150
=1500+150
=1650