)对于,将表示为,当时,当时为0或1,定义如下:在的上述表示中,当,中等

)对于,表示为,,01,定义如下:的上述表示中,,中等于1的个数为奇数时,;否则

(1)_     _;(2)为数列中第个为0的项与第个为0的项之间的项数,的最大值是___.

答案

(1)3;(2)2.

【解析】(1)观察知;;

一次类推;;

;,,,

b2+b4+b6+b8=3;(2)(1)cm的最大值为2.

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