作品展示 首页 > 作品展示
两位数加一位数(进位)

参赛作者:陈艳

作品分类:小学组-数学

浏览次数:1万

所属学校:厦门实验中学

评论次数:6

作品简介:
两位数加一位数的进位加法是在学生基本掌握了100以内数的读法、写法和数的组成,以及整十数加一位数的基础上进行编排的。既是对已经学过的20以内加法计算的巩固和应用,又是学习多位数加的基础,具有承上启下的作用。本节课的学习是在原来的基础上加以扩充和引申,并对知识掌握...
更多>>
/discuss/index?courseid=3788
500
java.lang.AbstractMethodError
	at javax.servlet.ServletRequestWrapper.isAsyncStarted(ServletRequestWrapper.java:380)
	at javax.servlet.ServletRequestWrapper.isAsyncStarted(ServletRequestWrapper.java:380)
	at org.apache.catalina.core.ApplicationDispatcher.unwrapRequest(ApplicationDispatcher.java:738)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:711)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:428)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:360)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:297)
	at net.paoding.rose.web.portal.impl.WindowTask.run(WindowTask.java:81)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)