S 2.22017C120183.22016C20182 4.22015C20183 ... 2019C20182018. A...
Câu 36: Tính tổng:
S
2.2
2017
C
1
2018
3.2
2016
C
2018
2
4.2
2015
C
2018
3
... 2019
C
2018
2018
.
A.
S
2021.3
2017
2
2018
B.
S
2021.3
2017
C.
S
2021.3
2018
2
2017
D.
S
2021.3
2017
2
2018