<p class="pl_nr" style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; line-height: 24px; font-size: 12px; color: rgb(51, 51, 51); font-family: 微软雅黑; white-space: normal; background-color: rgb(255, 255, 255); overflow-wrap: break-word;"><br/></p><p class="pl_nr" style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; line-height: 24px; font-size: 12px; color: rgb(51, 51, 51); font-family: 微软雅黑; white-space: normal; background-color: rgb(255, 255, 255); overflow-wrap: break-word;"><br/></p><p class="pl_nr" style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; line-height: 24px; font-size: 12px; color: rgb(51, 51, 51); font-family: 微软雅黑; white-space: normal; background-color: rgb(255, 255, 255); overflow-wrap: break-word;"><br/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; line-height: 26px;"><span style="color: rgb(51, 51, 51); font-family: 微软雅黑; font-size: 12px; background-color: rgb(255, 255, 255);">采用多种策略解决同一个问题,拓展了教师的教学思路。</span>引导学生根据题意,运用了假设的策略,画图的策略等,使学生不但掌握了假设的解题方法,还体会到了策略的多样化。</p><p><br/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; line-height: 26px;"><br/></p><p><br/></p><p><br/></p>
<p>经典引入,<span style="color: rgb(51, 51, 51); font-family: 微软雅黑; font-size: 12px; background-color: rgb(255, 255, 255);">借助我国古代“鸡兔同笼”趣题,使学生展开讨论,应用列举法、假设法、解方程等方法,<span style="color: rgb(51, 51, 51); font-family: 微软雅黑; font-size: 12px; background-color: rgb(255, 255, 255);">《鸡兔同笼》 向学生展示了现实、有趣、富有挑战性的题型。</span></span></p>