白菜黄瓜萝卜共1000千克,萝卜是黄瓜2倍,白菜的重量是黄瓜的5倍,白菜(625千克),黄瓜(125千克),萝卜(250千克)1000÷(1+2+5)=125(千克)125x2=250(千克)125x5=625(千克)