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?
2019-06-19
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
试试看
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