英语翻译a group of 7-year-olds are going to a park with a group
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英语翻译
a group of 7-year-olds are going to a park with a group of 11-year-olds.if the average age of the two groups together is 9.4 years.how many of each age group are there?
a group of 7-year-olds are going to a park with a group of 11-year-olds.if the average age of the two groups together is 9.4 years.how many of each age group are there?
一群7岁的孩子跟一群11岁的孩子同去公园.如果两群小孩合在一起的年龄平均数是9.4岁,那么每群小孩的个数是多少?
分别是4个和6个嘛~
其实人数比应该是2:3,因为是一群,所以排除掉2个人,因此我的答案是4个和6个
分别是4个和6个嘛~
其实人数比应该是2:3,因为是一群,所以排除掉2个人,因此我的答案是4个和6个
英语翻译a group of 7-year-olds are going to a park with a group
英语翻译原文:A group of fifteen-year-olds at Sunshine School are h
I am going on a picnic with a group of ( )
We are going on a ___(pcniic)with a group of freds 怎么写?
把with,going on a picnic,friends,you,are,a group of组成句子
A group of professional people asked a group of 4 to 8 year-
A group of young men are going ______the forest.
英语翻译A group of people askedthis question to a group of 4-to-
用with a group of frends 造句
a group of用法
a group of
A group of girls is(are)