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Longer bars for bigger numbers? children's usage and understanding of graphical representations of algebraic problems
release_zhfhnwlexrdyndbevsdwz4xjn4
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Kerry Lee, Kiat Hui Khng, Swee Fong Ng, Jeremy Lan Kong Ng
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Date 2013-08-23
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Date 2013-08-23
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2295-3159
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