Question

tinh tong sau :

1,2+2,3+3,4+4,5+...........+97,98+98,99+99,100

 

Answer 1

5003,8 chắc chắn 100% luôn nha

Answer 2

5003.8 chac chan lun ai muon cach lam thi ket ban nheeeeeeeee.........`````