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小学数学典型应用题第二讲:归总问题
第一部分是已知条件(简称条件),第二部分是所求问题(简称问题)。 解题时,常常先找出“总数量”,然后再根据其它条件算出所求的问题,叫归总问题。所谓“总数量”是指货物的总价、几小时(几天)的总工作量、几公亩地上的总产量、几小时走的总 ...
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