一桶油连桶重27千克用去一半油后连桶重14.5千克。油和桶各重多少千克？（列方程解应用题）2L;N'{0g4S8h(D0k)\
算式：提示+b+o1m/I7G4A7T2L;N'{0g4S8h(D0k)\
答油重7_+G7S/^(C千克，桶重(Y9q4d千克。2L;N'{0g4S8h(D0k)\