求四年级数学日记20字左右
人气:377 ℃ 时间:2019-08-20 22:19:51
解答
1,我和妈妈去买橘子.橘子是1.8元一斤,妈妈买了4.5斤,本应该付8.1元,可营业员太粗心,不知道怎么算的算成了9元钱.我又用脑子重新算了一遍,是阿姨错了.我说:“阿姨,1.8乘4.5等于8.1元呀!怎么会是九元呢?”“嗯,对呀.”...
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