有一列数,1,3,4,7,11,18,.(从第3个开始,每个数是前面2数之和) (1)第999个数被6除余几?(2)把以上数按下述方法分组:(1),(7,11,18),.(第n组有n个数)第999组的各数之和被6除余数是几?
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![有一列数,1,3,4,7,11,18,.(从第3个开始,每个数是前面2数之和) (1)第999个数被6除余几?(2)把以上数按下述方法分组:(1),(7,11,18),.(第n组有n个数)第999组的各数之和被6除余数是几?](/uploads/image/z/14155511-23-1.jpg?t=%E6%9C%89%E4%B8%80%E5%88%97%E6%95%B0%2C1%2C3%2C4%2C7%2C11%2C18%2C.%EF%BC%88%E4%BB%8E%E7%AC%AC3%E4%B8%AA%E5%BC%80%E5%A7%8B%2C%E6%AF%8F%E4%B8%AA%E6%95%B0%E6%98%AF%E5%89%8D%E9%9D%A22%E6%95%B0%E4%B9%8B%E5%92%8C%EF%BC%89+%EF%BC%881%EF%BC%89%E7%AC%AC999%E4%B8%AA%E6%95%B0%E8%A2%AB6%E9%99%A4%E4%BD%99%E5%87%A0%3F%EF%BC%882%29%E6%8A%8A%E4%BB%A5%E4%B8%8A%E6%95%B0%E6%8C%89%E4%B8%8B%E8%BF%B0%E6%96%B9%E6%B3%95%E5%88%86%E7%BB%84%EF%BC%9A%EF%BC%881%EF%BC%89%2C%EF%BC%887%2C11%2C18%EF%BC%89%2C.%EF%BC%88%E7%AC%ACn%E7%BB%84%E6%9C%89n%E4%B8%AA%E6%95%B0%EF%BC%89%E7%AC%AC999%E7%BB%84%E7%9A%84%E5%90%84%E6%95%B0%E4%B9%8B%E5%92%8C%E8%A2%AB6%E9%99%A4%E4%BD%99%E6%95%B0%E6%98%AF%E5%87%A0%3F)
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