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Of the children in a classroom, $$6$$ have $$2$$ pens and $$1$$ pencil each and the rest have $$1$$ pen and $$3$$ pencils each. If the children in the classroom have a total of $$2$$ more pencils than pens, how many of the children have $$1$$ pen and $$3$$ pencils each?
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· 相关考点
3.3.1 解一元一次方程与相关应用题
3.3.1 解一元一次方程与相关应用题
以上解析由 考满分老师提供。
