Matematika

Pertanyaan

-100-99-98-...-2-1-0+1+2+3...+48+49+50
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1 Jawaban

  • -100 - 99 - ... - 50 - 49 ... - 0 + 1 + ... + 49 + 50
    = -100 - 99 - 98 - ... - 51 + 0
    = -(100 + 99 + 98 + ... + 51) ---> n = 50
    = -((100 + 51) + (99 + 52) + ... + (76 + 75))
    = -(151 × 50/2)
    = -(151 × 25)
    = -3775

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