<prompt> Kokotoa 121_32122_3-1200_3-2111_3. Eleza jibu lako katika msingi wa 3.  <response>: Haijalishi mpangilio ambao tunaongeza na kupunguza thamani, lakini tutaanza na 2122_3-2111_3 kwa kuwa thamani ziko karibu. anzaarraycc;cccc 21 2 2_3 - 2 1 1 1_3 cline2-6 1 1_3 endarray Sasa tumebakiwa na 121_3-1200_311_3. Tunaongeza 121_311_3. anzaarraycc;cccc 1 2 1_3 1 1_3 cline2-6 2 0 2_3 endarray Kwa hivyo tuna 202_3-1200_3-1200_3-202_3. anzaarraycc;cccc 1 2 0 0_3 - 2 0 2_3 cline2-6 2 2 1_3 endarray Jibu letu ni -221_3. 