Each of the Smith brothers has as mang sisters as he has brothers.But each of the Smith sistershas twice as many brother
Each of the Smith brothers has as mang sisters as he has brothers.But each of the Smith sistershas twice as many brothers as she has sisters.How many sisters ang brothers are there in Smith family?
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An animal which produes wool（）
An animal which flies（）
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An animal which produes wool（）
An animal which flies（）
英語(yǔ)人氣：382 ℃時(shí)間：2020-05-08 08:05:11
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Each of the Smith brothers has as many sisters as he has brothers.But each of the Smith sisters has twice as many brothers as she has sisters.How many sisters and brothers are there in Smith family?4 ...
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