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PMC 2012-13 Q5

Author:
Arthur Lee
題目五
移動左上角的紅點可改變圖中幻方內的數。下圖以英字母代替幻方內的九個數。 A B C P Q R X Y Z (a) 如果 Y+R=236, Q+Z=? (b) 如果 Q+C=231, B+R=? (c) 如果 P=200, R=250, Q=? (d) 那兩數的和必定等如 X+R? (e) 那兩數的和必定等如 P+Q?

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