1. Cevap:C 20+30+40+50+60+70+80 +90+100+110+120+130 +140+150+160+170+180 +190+200+210=2300

    Cevap:C
    20+30+40+50+60+70+80
    +90+100+110+120+130
    +140+150+160+170+180
    +190+200+210=2300

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