英语的数学题~~加悬赏!!
Agirlhasbrothersandsisters.shehasasmanybrothersasshehassisters.herbrotherstwiceasmany...
A girl has brothers and sisters.
she has as many brothers as she has sisters.
her brothers twice as many sisters as he has brothers.
How many children? 展开
she has as many brothers as she has sisters.
her brothers twice as many sisters as he has brothers.
How many children? 展开
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