一、中考题山东2004年中考选择题第12题:如图A、B、C是固定在桌子上的三根立柱,其中A 柱上穿有三个大小不同的圆片,下面的直径总比上面的大.现想将这三个圆片移动到B 柱上,要求每次只能移动一片(叫移动一次) 被移动的圆片只能放入A、B、C三个柱之一, 且较大的圆片不能叠在小片的上面,那么完成这件事至少要移动圆片的次数是( ). (A)6 (B)7 (C)8 (D)9 First, the test questions Shandong 2004 mid-term multiple-choice questions Question 12: Figure A, B, C is fixed on the table of three columns, which A column wearing three different sizes of the disc, the following diameter is always higher than the above Big. Now I want to move these three wafers onto the B-pillar. I need to move one sheet at a time (called a move once). The moved wafer can only be placed in one of the three columns A, B, and C. A large wafer cannot be stacked on top of a small piece, then at least the number of times the wafer must be moved is done (). (A)6 (B)7 (C)8 (D)9