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Title: Aimee has just begun to use operations such as mental addition. How old is Aimee? Post by: Ayeaye on Jun 27, 2015 Aimee has just begun to use operations such as mental addition. How old is Aimee?
a. 18 months b. 3 years c. 6 years d. 10 years e. 14 years Title: Re: Aimee has just begun to use operations such as mental addition. How old is Aimee? Post by: Tinkler on Jul 6, 2015 Content hidden
Title: Re: Aimee has just begun to use operations such as mental addition. How old is Aimee? Post by: Ayeaye on Aug 7, 2015 Fantastic.
Thanks so much Title: Re: Aimee has just begun to use operations such as mental addition. How old is Aimee? Post by: Tinkler on Aug 7, 2015 You're welcome ;)
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