一瓶油连瓶重5.8千克,用去一半后,连瓶还重3千克,原来有油______千克,瓶重______千克.
油重:(5.8-3)×2,
=2.8×2,
=5.6(千克);
瓶重:5.8-5.6=0.2(千克);
答:原来有油5.6千克,瓶重0.2千克.
故答案为:5.6,0.2.
一瓶油连瓶重5.8千克,用去一半后,连瓶还重3千克,原来有油______千克,瓶重______千克.
油重:(5.8-3)×2,
=2.8×2,
=5.6(千克);
瓶重:5.8-5.6=0.2(千克);
答:原来有油5.6千克,瓶重0.2千克.
故答案为:5.6,0.2.