1 1 1 1TỔNG 20180 12018 20182 20183 201820182 3 4 ... 2019C − C + C...

Câu 34 : 1 1 1 1Tổng

2018

0

1

2018

2018

2

2018

3

2018

2018

2 3 4 ... 2019CC + CC + + C bằng? A. 12018 B. 1−2019 C. 12019 D. 1−2018