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分数加减混合运算是分数运算中的重点和难点之一,如果同学们对这部分知识掌握得不好,解题时就会出现这样或那样的错误,常见的错误有以下几种。
Fractional additions and subtractions are one of the most important and difficult points in fractional computing. If students do not master this part of the knowledge well, one or more of the following mistakes occur when solving problems. Common errors include the following.