document.write('<p>答：资金来源＝２３００＋５００＋１０＋７００＋３００＋２００＋４２０＝４４３０（万元）</p><p>资金占用＝１２００＋９００＋１６＝２１１６（万元）</p><p>基建结余资金＝资金来源－资金占用＝２３１４（万元）</p>');