there are 60 birds in the tree.After a while,47 birds fly to the secong tree.then there are 20 birds in every tree.do you know how many birds are in every tree at first?the 1st tree:the2nd tree:the 3rd tree:

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/16 11:41:25
there are 60 birds in the tree.After a while,47 birds fly to the secong tree.then there are 20 birds in every tree.do you know how many birds are in every tree at first?the 1st tree:the2nd tree:the 3rd tree:

there are 60 birds in the tree.After a while,47 birds fly to the secong tree.then there are 20 birds in every tree.do you know how many birds are in every tree at first?the 1st tree:the2nd tree:the 3rd tree:
there are 60 birds in the tree.After a while,47 birds fly to the secong tree.then there are 20 birds in every tree.do you know how many birds are in every tree at first?the 1st tree:the2nd tree:the 3rd tree:

there are 60 birds in the tree.After a while,47 birds fly to the secong tree.then there are 20 birds in every tree.do you know how many birds are in every tree at first?the 1st tree:the2nd tree:the 3rd tree:
题目好像有问题.47只飞到第二棵树怎么可能每棵树20?

嗯 riddle