2 câu trả lời
100+22+33+11+100+33+22
=(100+100)+(22+33)×2+11
=200+55×2+11
=200+110+11
=310+11
=321
100 + 22 + 33 + 11 + 100 + 33 + 22
= (100 + 100) + (22 + 33) + (33 + 22) + 11
= 200 + 55 + 55 + 11
= 200 + 110 + 11
= 310 + 11
= 321
100+22+33+11+100+33+22
=(100+100)+(22+33)×2+11
=200+55×2+11
=200+110+11
=310+11
=321
100 + 22 + 33 + 11 + 100 + 33 + 22
= (100 + 100) + (22 + 33) + (33 + 22) + 11
= 200 + 55 + 55 + 11
= 200 + 110 + 11
= 310 + 11
= 321
