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１９９８趣题徐孝舜数学通讯祝贺读者九八新年快乐！这是图１的七个矩形顶点处的文字．请换以数字１—１４，使各矩形顶点处４数之和为３０．图１图２的顶点处：山穷水复疑无路，柳暗花明又一村，请换以１４个连续的自然数，使各矩形顶点处的４个数之和为１９９８．图199...
1998 Xu Xiaoxuan’s mathematics newsletter congratulates readers on the 98th Happy New Year! This is the text at the vertices of the seven rectangles in Figure 1. Please change the number 1-14 so that the sum of the 4 numbers at the vertices of each rectangle is 30. In the vertices of Fig. 1 and Fig. 2, where there are no doubts about the mountains and rivers, you must change to 14 consecutive natural numbers so that the sum of the 4 numbers at the vertices of each rectangle is 1998. Figure 199...