This workbook will train your child to break down arithmetic operations at first and then form them up again. It's going to be a little bit confusing at first but with the help of drills your child will soon reach mastery. Just don't forget to cheer your child on and to be very patient as he/she comes up with a comfortable learning pace. Good luck!
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Hinweis: Dieser Artikel kann nur an eine deutsche Lieferadresse ausgeliefert werden.