a13a22a31a44
主è¦çåæ
3214çéåºæ°
éåºæ°=0+1+2+0=3=å¥æ°
åé¢æ¯è´å·ï¼å³
-a13a22a31a44ï¼
a13a22a34a41
åæ æå为ï¼
3241
éåºæ°ä¸ºï¼0+1+0+3=4=å¶æ°
æ以
åé¢æ¯æ£å·ï¼å³
+a13a22a34a41ã
追é®å¯ä¹¦ä¸ççæ¡æ£è´æ¯åçï¼æ¯
a13a22a31a44å-a13a22a34a41
书ä¸ççæ¡æ¯éçåï¼