【小学数学专项复习】小学数学“简便运算”真题详解！9个方法，2秒钟速解
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免责声明：来源网络，本公众号只作公益性分享，版权归原作者和出版社，如有侵权请联系删除。
如果觉得本文有用，欢迎分享给同学，请点击右上角把‘教与学相长’标为星标。这样就能每天第一时间收到推送了！比心
