This activity is also part of one or more other Books. Modifications will be visible in all these Books. Do you want to modify the original activity or create your own copy for this Book instead?
This activity was created by '{$1}'. Do you want to modify the original activity or create your own copy instead?
This activity was created by '{$1}' and you lack the permission to edit it. Do you want to create your own copy instead and add it to the book?
PMC 2012-13 Q5
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?