第十五章电流和电路第5节串、并联电路中的电流规律人民教育出版社九年级|全一册naj8.cn/fengshang/sscl/20200526/354.htmlwww.smcnn.com/m/m/2020/0527/5927.htmlzhidao.baidu.com/question/207078484zhuanlan.zhihu.com/p/146738256www.gzmzb.com/Item/Article/n/79145www.qm120.com/jibing/liugan/20200605181742157535.htmwww.qm120.com/jibing/ganmao/20200608131930816125.htmwww.qm120.com/jibing/ganmao/202006081320256...