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吃完晚饭后,乐乐熊和爸爸、妈妈一起到楼下散步,妈妈说:“我们到街上走走吧!”乐乐熊和爸爸都同意。他们边走边聊,当走在一座桥上时,乐乐熊突然萌发出一个念头,这座桥有多长呢?能走多少步呢?爸爸和妈妈就分别从桥的两头向中间走去,爸爸告诉乐乐熊:“他走47步,妈妈走26步时,两人大约相距5步。”乐乐熊一听就知道走这座桥要走47+26+5=78(步)。乐乐熊把这个答案告诉了爸爸,
After dinner, Lele Bear walked downstairs with his father and mother. Mom said: “Let’s go down the street!” Lele Bear and Dad agreed. When they walked on a bridge, the Lele Bears burst forth suddenly, how long was the bridge, and how many steps could they take? Dad and mom walked from the bridge to the middle, Dad told Lele Bear: “He walked 47 steps, the mother walk 26 steps, the two are about 5 steps apart. ” Lele a bear will know to go this bridge to go 47 +26 +5 = 78 ). Lele Bear told this answer to the father,