竖式计算解答如下:<br>第一种带余数的:<br><img src="https://iknow-pic.cdn.bcebos.com/d52a2834349b033b394d2dd31ace36d3d439bdf6?x-bce-process=image/resize,m_lfit,w_600,h_800,limit_1" max-height="200"><br>结果是3余5。商是3,余数是5。<br>第二种带小数的:<br><img src="https://iknow-pic.cdn.bcebos.com/42166d224f4a20a40041ecce9f529822720ed058?x-bce-process=image/resize,m_lfit,w_600,h_800,limit_1" max-height="200"><br>结果是:80÷25=3.2。