薛燕珠 2019-09-23 16:57
<p class="txt" style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; line-height: 26px; font-family: 微软雅黑; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); word-wrap: break-word;"><br/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; line-height: 26px;">学生亲身体验，利用身边的事物摆一摆，初步了解加法的意义，学习看图列式</p><p><br/></p><p><br/></p>