沪教版四年级数学下册小数加减法竖式计算题精选

472.3＋339.6＝7.273＋0.607626.6＋606.4＝99.25＋69.47＝3.97＋31.1＝77.75－39.1＝88.58－4.38＝929.9－47.9＝94.61－74.1