新版剑桥少儿英语二级上册有一道数学题怎么算Jack is twice as old as Bill,who is eight years younger than Ben,who is four years younger than Ted,who is half as old again as Jack.How old is Bill?

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新版剑桥少儿英语二级上册有一道数学题怎么算JackistwiceasoldasBill,whoiseightyearsyoungerthanBen,whoisfouryearsyoungerthanT

新版剑桥少儿英语二级上册有一道数学题怎么算Jack is twice as old as Bill,who is eight years younger than Ben,who is four years younger than Ted,who is half as old again as Jack.How old is Bill?
新版剑桥少儿英语二级上册有一道数学题怎么算
Jack is twice as old as Bill,who is eight years younger than Ben,who is four years younger than Ted,who is half as old again as Jack.How old is Bill?

新版剑桥少儿英语二级上册有一道数学题怎么算Jack is twice as old as Bill,who is eight years younger than Ben,who is four years younger than Ted,who is half as old again as Jack.How old is Bill?
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杰克年龄是比尔年龄的2倍,比尔比本小八岁,本又较泰德年轻四岁.泰德比杰克年长一半.比尔多大?
比尔x,杰克:2x,本:x+8,泰德:x+12=1.5*2x.x=6
比尔6岁

新版剑桥少儿英语二级上册有一道数学题怎么算Jack is twice as old as Bill,who is eight years younger than Ben,who is four years younger than Ted,who is half as old again as Jack.How old is Bill? 谁有新版剑桥少儿英语二级上册Unit1的教案?新版剑桥少儿英语二级上册Unit1 I've got many new friends第一次课!请写明新词和重难点! 谁有剑桥少儿英语二级上册单词表(西安交通大学出版社)? 剑桥少儿英语二级一课一练在哪里有卖要是07年新版的. 07年版剑桥少儿英语二级与10年新版有什么不同剑桥少儿英语二级上册第6单元第9题怎么做只要英语句子剑桥少儿英语新版教案预备级和一级上册的, 剑桥少儿英语二级上册64页第五题造句剑桥少儿英语二级上册63页3题剑桥少儿英语二级上64页4怎么翻译剑桥少儿英语二级上第七单元第九部分怎么写帮帮忙吧, 剑桥少儿英语新版二级A配套翻译剑桥少儿英语新版二级A当中有许多诗歌等,请问有没有配套翻译?就是每个单元每个模块的汉语翻译.急用,谢谢,从第82也开始就可以.参考书的网求新版剑桥少儿英语三级教案! 剑桥少儿英语二级上册第12课第10题答案剑桥少儿英语二级上册磁带要有声音的和书本内容一致的剑桥少儿英语二级（下）的试题剑桥少儿英语天天练二级下册答案剑桥少儿英语天天练二级答案