Question

Tính:\(\left|-100-99-98-97-96-1+1+2+3+...+99\right|\)

Answer 1

= l ( 99 + -99 ) + ( -98 + 98 ) +... + (-1+ 1 ) + -100l

= l 0 + 0 + .. + 0 + -100 l 

= l -100l

= 100

Answer 2

ket qua cua con tinh la 100 nha

Answer 3

= 1 ( 99 + -99 ) + ( -98 + 98 ) + .......... + ( -1 + 1) + -1001

= 1 0 + 0 + ...... + -1001

= 1 - 1001

= 100