Matematika

Pertanyaan

-100-99-98-...-2-1-0+1+2+...+48+49+50
isi cara donk!!!!

1 Jawaban

  • a=-100, b=1, Un=50

    n=(Un-a+b)/b=(50-(-100)+1)/1=151

    Sn=n/2(a+Un)
    S151=151/2(-100+50)
    S151=75,5 (-50)
    S151=-3775

    Jadi
    -100-99-98-...-2-1-0+1+2+...+48+49+50=-3775

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