<prompt> Tambua thamani ya2002 frac12 kushoto 2001 frac12 left 2000 dots frac12 kushoto 3 frac1 2 cdot 2 kulia kulia dotsb kulia.  <response>: HebuanzaalignS 2002 frac12 kushoto 2001 frac12 left 2000 dots frac12 left 3 frac 12 cdot 2 kulia kulia dotsb kulia 2002 frac20012 frac200022 dots frac321999 frac222000 .mwishoalignKisha2S 2 cdot 2002 2001 frac20002 dots frac321998 frac221999. Tukiondoa milinganyo hii, tunapataanzaalignS 4004 - 1 - frac12 - frac122 - dots - frac121999 - frac22 2000 4004 - 1 - frac12 - frac122 - dots - frac121999 - frac12 1999 4004 - frac121999 21999 21998 vitone 2 1 1 4004 - frac121999 cdot 22000 4004 - 2 4002.mwishopanga 