9-3便宜包邮券+学生惠寻5-3+金融3支付券
领9-3
https://u.jd.com/pzuEbmQ
https://u.jd.com/pQuc5Mr
商品详情页或京东校园领惠寻5-3
https://item.m.jd.com/product/100063174505.html?utm_user=plusmember&gx=RnAomTM2EkiZo9py8eEuF5FQhshNwQ&gxd=RnAokDJePjfeyZ8cqYwhWEx5w3_LujA&ad_od=share&utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=CopyURL
金融3支付券
https://member.jr.jd.com/member/integral-mall-detail/detail/?romaFileName=page_integraldetail&goodsId=784926804&ad_od=4&cu=true&utm_source=Android_url_1698858133412&utm_medium=jrappshare&utm_campaign=t_1000603438_&utm_term=wxfriends&jrcontainer=h5&jrlogin=false
需在京东金融app搜索购物车结算
价格5.9的见图3，需换促销成9.1才能叠9-3，购物车页面价格显示3.1就对了，金融支付券需在付款时显示
