Less Than Zero 在线电子书 图书标签:
发表于2024-11-29
Less Than Zero 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024
Perry the Penguin needs 9 clams to buy an ice scooter -- but he's not very good at saving. As Perry earns, spends, finds, loses, and borrows clams, a simple line graph demonstrates the concept of negative numbers.
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Less Than Zero 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024