関連ワード:  find the first negative term of the sequence 20 19 1 4    find the first negative term of the sequence 999 995    find the first negative term of the sequence    find the first negative term of the sequence 2000    for an arithmetic sequence u3=30 and u9=9 find the first negative term in the sequence    find the next term in the sequence  
結果 : find the first negative term in the sequence