TỔNG S C20170 320182 C20171 3201722 C20172 3201623 ... C2017...
Câu 3: Tổng S C
2017
0
3
2018
2 C
2017
1
3
2017
2
2
C
2017
2
3
2016
2
3
... C
2017
2017
3.2
2018
bằng
A. 5
2017
B. 6.5
2018
C. 6.5
2017
D. 5
2018
2017
0
2018
2017
1
2017
2
2017
2
2016
3
2017
2017
2018
2017
2018
2017
2018