星期天,我去姑姑家玩儿,姑姑买回2个西瓜和12个香瓜,我和表姐可开心了。姑姑指着新鲜的瓜问我们:“孩子们,2个西瓜的质量相等,12个香瓜也恰好一样重;1个西瓜与4个香瓜的质量相同。这些西瓜和香瓜一共重10千克,每个西瓜的质量是多少?每个香瓜的质量又是多少?你们知道吗?” Sunday, I went to aunt play, my aunt bought two watermelons and 12 cantaloupes, cousins ​​and I can be happy. My aunt pointed at the fresh melon and asked us: “Children, the quality of the two watermelons is equal, the quality of the twelve melons is exactly the same, the quality of one watermelon is the same as that of the four melons, which weigh a total of 10kg each What is the quality of a melon? What is the quality of each melon? Do you know? ”