求女大神求放过解答!

初一数学题,求大神解答!!!_百度知道
提问者采纳
一:1)∠AOE=90°+∠COE=90°+(∠EOD-∠COD)=90°+(60°-20°)=130°2)①∠AOD<90°时∠AOD-∠COE=(90°-∠DOC)-(60°-∠DOC)=30°②∠AOD>90°时∠AOD-∠COE=(∠AOD+∠DOC)-(∠DOC+∠EOD)=30°综上,不变化,始终等于30°3)设∠AOD=x①∠AOD<90°时X+60=7(90-X)X=71.25°∠AOE=131.25°②∠AOD>90°时X+60=7(X-90)X=115°∠AOE=175°∴∠AOE=131.25°或∠AOE=175°二:当0<x≤4时,P在AC上,S△APB=x*3*0.5,x*3*0.5≤5,解得:0<x≤10/3;当4<x<7时,P在CB上,S△APB=(7-x)*4*0.5≤5,解得:9/2≤x&7,所以:0<x≤10/3或9/2≤x&7辛勤劳动,望caina!
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其他3条回答
亲。你这里面没图啊
第一问20°第二题0≤X≤2或5≤X≤7
图呢?没图解不了
可以了,第一题第一个,数学大神加qq
你加我QQ,我给你解答呢
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新手上路!!JavaBean的&userBean&问题,跪求大神解答!收藏
下面是一个简化的网站注册小程序注册界面register.html&html&&head&&title&用户注册&/title&&/head&&body&&form method="POST" action="register.jsp"& &p align="center"&
&font size=5&用户注册&/font&
&table width="465" border="0" cellspacing="0" cellpadding="0" align="center"&
&td&&&/td&
&td align="right"&用户名:&/td&
&td&&input name="UserName" type="text" class="input" id="UserName" size="25"&&/td&
&td colspan="2"&&&/td&
&td height="9" colspan="5"&&/td&
&td&&&/td&
&td height="22" align="right"&性别:&/td&
&td&&input type="radio" name="sex" value="男"&男
&input type="radio" name="sex" value="女"&女
&input type="radio" name="sex" value="" checked&保密
&td colspan="2"&&&/td&
&td height="4"&&&/td&
&td height="4" align="right"&工作单位:&/td&
&td height="4" colspan="3"&
&input name="company" type="text" class="input" id="company" size="25" value=""&
&td height="9" colspan="5"&&/td&
&td height="9"&&&/td&
&td height="9" align="right"&通讯地址:&/td&
&td height="9" colspan="3"&
&input name="Address" type="text" class="input" id="Address" size="25" value=""&
&td height="9" colspan="5"&&/td&
&/table& &/p& &p align="center"&
&input type="submit" value="提交" name="submit"&
&input type="reset" value="重填" name="reset"& &/p&&/form&&/body&&/html&显示界面register.jsp&html&&%
contentType="text/charset=GBK"%& //&jsp:useBean id="ui" class="userInfo"&&/jsp:useBean&&% userInfo userinfo=new userInfo();%&&head&&title&用户注册&/title&&/head&&body& &jsp:setProperty name="ui"property="*"&&/jsp:setProperty& 用户名: &jsp:setProperty name="ui"property="userName"&&/jsp:setProperty&&br& 性别: &jsp:setProperty name="ui"property="sex"&&/jsp:setProperty&&br& 工作单位: &jsp:setProperty name="ui"property="company"&&/jsp:setProperty&&br& 通讯地址: &jsp:setProperty name="ui"property="Address"&&/jsp:setProperty&&Br&
&/body&&/html&JavaBean定义userInfo.javapublic class userInfo {private String userNprivate String Sprivate String Cprivate String Apublic void setUserName(String username){this.userName=}public String getUserName(){return userN}public void setSex(String sex){this.Sex=}public String getSex(){return S}public void setCompany(String company){<pany=}public String getCompany(){return C}public void setAddress(String address){this.Address=}public String getAddress(){return A}}
出现如下问题:要怎么解决啊????
木有人,木有人。为什么木有人
木有人,木有人。为什么木有人
你想问什么?
你好激动呀。。不过真心谢谢你了。。
但是,,还是同样的问题呢。。
里面应该是有个类不对
你可以去直接百度
我也是新手
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求大神解答这段代码每句的意思收藏
//picturewindow.onload = function(){
var tp = tp || {};
tp.showImg = function(id){
if(!document.getElementById(id)){}
var doc = document,
oImg = null,
oId = doc.getElementById(id),
oUl = oId.getElementsByTagName('ul')[0],
aLi = oUl.getElementsByTagName('li'),
oTips = document.getElementById('otips'),
oActive = document.getElementById('active'),
timer = null,
oBigImg = document.getElementById('bigImg');
oId.onmousemove = function(ev){
var ev = ev ||
var posX = ev.clientX - oId.offsetL
if(posX&50){
if((posX-51)/256&=1){
tpStartMove(oUl, {left: -(aLi.length-7)*51}, tp_MOVE_TYPE.BUFFER);
tpStartMove(oActive, {left: -(aLi.length-7)*51+iNum}, tp_MOVE_TYPE.BUFFER);
tpStartMove(oUl, {left: -(posX-51)/256*(aLi.length-7)*51}, tp_MOVE_TYPE.BUFFER);
tpStartMove(oActive, {left: -(posX-51)/256*(aLi.length-7)*51+iNum}, tp_MOVE_TYPE.BUFFER);
tpStartMove(oUl, {left: 0}, tp_MOVE_TYPE.BUFFER);
tpStartMove(oActive, {left: 0+iNum}, tp_MOVE_TYPE.BUFFER);
for(var i=0;i&aLi.i++){
aLi[i].bBtn =
aLi[i].index =
aLi[i].onmouseover = function(ev){
tpStartMove(this, {opacity:100}, tp_MOVE_TYPE.BUFFER);
_addTips(this,ev);
aLi[i].onmouseout = function(ev){
if(this.bBtn){
tpStartMove(this, {opacity:50}, tp_MOVE_TYPE.BUFFER);
_removeTips(this,ev);
aLi[i].onmousemove = function(ev){
_followTips(this,ev);
aLi[i].onclick = function(){
stopMove(first(oBigImg));
for(var i=0;i&aLi.i++){
aLi[i].style.filter = 'alpha(opacity=50)';
aLi[i].style.opacity = 0.5;
if(this.bBtn!=aLi[i].bBtn){
aLi[i].bBtn =
this.style.filter = 'alpha(opacity=100)';
this.style.opacity = 1;
if(this.bBtn==true){
iNum = this.offsetL
tpStartMove(oActive, {left: this.offsetLeft+oUl.offsetLeft}, tp_MOVE_TYPE.BUFFER);
var aaa = new Image();
aaa.onload = function(){
tpStartMove(oBigImg, {width:aaa.width,height:aaa.height,marginTop:-aaa.height/2,marginLeft:-aaa.width/2}, tp_MOVE_TYPE.BUFFER,function(){
first(oBigImg).src = aaa.
first(oBigImg).width = aaa.
first(oBigImg).height = aaa.
tpStartMove(first(oBigImg),{opacity:100},tp_MOVE_TYPE.BUFFER);
aaa.src = 'img/'+(this.index)+'.jpg';
first(oBigImg).style.filter = 'alpha(opacity=0)';
first(oBigImg).style.opacity = 0;
this.bBtn =
function createImg(){
oImg = document.createElement('img');
oImg.style.filter = 'alpha(opacity=0)';
oImg.style.opacity = 0;
var aaa = new Image();
aaa.onload = function(){
oImg.src = this.
tpStartMove(oBigImg, {width:aaa.width,height:aaa.height,marginTop:-aaa.height/2,marginLeft:-aaa.width/2}, tp_MOVE_TYPE.BUFFER,function(){
tpStartMove(oImg,{opacity:100},tp_MOVE_TYPE.BUFFER);
aaa.src = 'img/1.jpg';
oBigImg.appendChild(oImg);
createImg();
function _addTips(el,ev){
var t = el.getElementsByTagName('img')[0].
var ev = fixEvent(ev);
el.getElementsByTagName('img')[0].title = '';
oTips.style.display = 'block';
oTips.innerHTML = '&div class="tg"&&/div&' +
oTips.style.top = ev.pageY - 50 + 'px';
oTips.style.left = ev.pageX - 20 + 'px';
function _removeTips(el,ev){
this.onmouseover =
this.onmouseout =
this.onmousemove =
oTips.style.display = 'none';
el.getElementsByTagName('img')[0].title = oTips.innerHTML;
function _followTips(el,ev){
var ev = fixEvent(ev);
oTips.style.top = ev.pageY - 50 + 'px';
oTips.style.left = ev.pageX - 20 + 'px';
function toHide(){
timer = setTimeout(function(){
tpStartMove(oId,{height:0},tp_MOVE_TYPE.BUFFER);
function toShow(){
document.onmousemove = function(ev){
var ev = ev || window.
if(ev.clientY&document.documentElement.clientHeight - 60){
clearTimeout(timer);
tpStartMove(oId,{height:50},tp_MOVE_TYPE.BUFFER);
clearTimeout(timer);
timer = setTimeout(function(){
tpStartMove(oId,{height:0},tp_MOVE_TYPE.BUFFER);
}('list');};function fixEvent(event){
event = event || window.
if(!event.target) event.target = event.srcElement ||
if( event.target.nodeType == 3){
event.target = event.target.parentN
catch(e){}
if(event.pageX == null && event.clientX != null){
var doc = document.documentElement, body = document.
event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc.clientLeft || 0);
event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc.clientTop || 0);
if(event.layerX == null && event.offsetX != null){
event.layerX = event && event.offsetX;
event.layerY = event && event.offsetY;
event.stop = function(){
if(event.stopPropagation){
event.stopPropagation();
event.cancelBubble =
if(event.preventDefault){
event.preventDefault();
event.returnValue =
}}function next(obj){
return obj.nextSibling.nodeType == 1 ? obj.nextSibling : next(obj.nextSibling);}function pre(obj){
return obj.previousSibling.nodeType == 1 ? obj.previousSibling : pre(obj.previousSibling);}function first(obj){
return obj.firstChild.nodeType == 1 ? obj.firstChild : next(obj.firstChild);}function last(obj){
return obj.lastChild.nodeType == 1 ? obj.lastChild : pre(obj.lastChild);}function css(obj, attr, value){
if(arguments.length==2)
var sCur=obj.currentStyle?obj.currentStyle[attr]:document.defaultView.getComputedStyle(obj, false)[attr];
if(attr=='opacity')
return parseInt(parseFloat(sCur)*100);
return parseInt(sCur);
else if(arguments.length==3)
switch(attr)
case 'width':
case 'height':
case 'paddingLeft':
case 'paddingTop':
case 'paddingRight':
case 'paddingBottom':
value=Math.max(value,0);
case 'left':
case 'top':
case 'marginLeft':
case 'marginTop':
case 'marginRight':
case 'marginBottom':
obj.style[attr]=value+'px';
case 'opacity':
obj.style.filter="alpha(opacity:"+value+")";
obj.style.opacity=value/100;
obj.style[attr]=
return function (attr_in, value_in){css(obj, attr_in, value_in)};}var tp_MOVE_TYPE={
BUFFER: 1,
NORMAL: 5};function tpStartMove(obj, oTarget, iType, fnCallBack, fnDuring){
var fnMove=
if(obj.timer)
clearInterval(obj.timer);
switch(iType)
case tp_MOVE_TYPE.BUFFER:
fnMove=tpDoMoveB
case tp_MOVE_TYPE.FLEX:
fnMove=tpDoMoveF
obj.timer=setInterval(function (){
fnMove(obj, oTarget, fnCallBack, fnDuring);
var now=(new Date()).getTime();
obj.lastMove=
if(!obj.lastMove)
obj.lastMove=0;
var now=(new Date()).getTime();
if(now-obj.lastMove&30)
fnMove(obj, oTarget, fnCallBack, fnDuring);
var now=(new Date()).getTime();
obj.lastMove=
}}function tpDoMoveBuffer(obj, oTarget, fnCallBack, fnDuring){
var bStop=
var attr='';
var speed=0;
var cur=0;
for(attr in oTarget)
oTarget[attr]=parseInt(oTarget[attr]);
cur=css(obj, attr);
if(oTarget[attr]!=cur)
speed=(oTarget[attr]-cur)/5;
speed=speed&0?Math.ceil(speed):Math.floor(speed);
css(obj, attr, cur+speed);
if(fnDuring)fnDuring.call(obj);
clearInterval(obj.timer);
obj.timer=
if(fnCallBack)fnCallBack.call(obj);
}}function tpDoMoveFlex(obj, oTarget, fnCallBack, fnDuring){
var bStop=
var attr='';
var speed=0;
var cur=0;
for(attr in oTarget)
if(!obj.oSpeed)obj.oSpeed={};
if(!obj.oSpeed[attr])obj.oSpeed[attr]=0;
cur=css(obj, attr);
if(Math.abs(oTarget[attr]-cur)&=1 || Math.abs(obj.oSpeed[attr])&=1)
obj.oSpeed[attr]+=(oTarget[attr]-cur)/5;
obj.oSpeed[attr]*=0.7;
css(obj, attr, cur+obj.oSpeed[attr]);
if(fnDuring)fnDuring.call(obj);
clearInterval(obj.timer);
obj.timer=
if(fnCallBack)fnCallBack.call(obj);
}}function stopMove(obj){
clearInterval(obj.timer);}
唔... 有点太长了。我们应该没可能抽出时间每句说明的。换个角度,这函数量和长数恐怕也不是初心者能轻易掌握的规模... 请问是出於甚麼原因需要了解它?
确实有点长了。。大神,我想知道这段代码怎么才能不再底部也可以鼠标放上展开
问题不明了,坐等耐心人解说
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