把下面九个分数填在横线里,使得每组三个数的和相等:12,13,14,16,112,23,34,512,712______+______+______=______+______+______=______+______+______.-数学
题文
把下面九个分数填在横线里,使得每组三个数的和相等:
______+______+______=______+______+______=______+______+______. |
答案
题文
把下面九个分数填在横线里,使得每组三个数的和相等:
______+______+______=______+______+______=______+______+______. |
答案