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【贝贝出题】一桶油,连桶重180千克,用去一半油后,连桶还有100千克。问:油和桶各重多少千克?【伙伴出手】咔吱兔说:“原来油和桶共重180千克,用去一半油,连桶还有100千克,少掉的180-100=80(千克)其实是用掉的半桶油的重量,这样一桶油重80×2=160(千克),所以油桶的重量就是180-160=20(千克)。”朵朵猪说:“我还有一种方法。用去一半油后,连通还有100千克,这100千克中,包含了半桶油和
【Beibei out of the question】 a barrel of oil, even the bucket weighs 180 kg, with half the oil, even the bucket there are 100 kg. Q: How many kilograms of oil and barrel weight? [Partner shot] Squeak Rabbit said: ”The original total weight of 180 kg of oil and barrel, with half the oil, and even a barrel of 100 kg, less off 180-100 = 80 (Kg) is actually the weight of half a barrel of oil used, so a barrel of oil weight 80 × 2 = 160 (kg), so the weight of the barrel is 180-160 = 20 (kg). “Blossoming pig said: ”I still have a way to use half the oil, the connection there is 100 kilograms, which 100 kilograms, contains half a barrel of oil and