看看怎样给一年级学生讲清楚的 |
厉害~~~~~~~~~~~~~ |
厉害~~~~~~~~~~~~~ |
好·····························难 |
好·····························难 |
每个五张 |
不知道有没有人用方程组?哈啊哈 |
五五开 每样五张 |
5个一角,5个一分。 |
5张5分的 |
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