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2年级的数学应用题,讲了很多次就是不理解,求解答,郁闷

2020-4-20 17:36| 发布者: 危险 | 查看: 5665| 原文链接

小孩纯数字的加减法都没问题,就是不理解此类应用题,反复讲解也不明白应该是加还是减,请教方法,谢谢

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