选择擅长的领域继续答题？
{@each tagList as item}
${item.tagName}
{@/each}
手机回答更方便，互动更有趣，下载APP
提交成功是否继续回答问题？
手机回答更方便，互动更有趣，下载APP
2/3:1/8等于x:3/4这个解方程的算试是什么？ 2/3:1/8=x:3/4解：1/8×X=2/3×3/41/8×X=1/2X=1/2÷1/8X=4 1/2x加3/2等于6解方程 1/2x+3/2=61/2x=6-1.51/2x=4.5x=9 【急】1/2-x+3/4=3/8解方程 2分之1减x加4分之3等于八分之三1/2-x+3/4=3/85/4-x=3/8x=5/4-3/8x=7/8 4X÷2/3=1/8 解方程 解：4X=1/8*2/34X=1/12X=1/48 x除以1/3等于2/5。解方程计算。 AXB=C 则X=A?1CB?1 下面使用初等变换来求X 3 -1 14 16 5 -2 9 10 第2行, 加上第1行×-5/3 3 -1 14 16 0 -1/3 -43/3 -50/3 第1行, 加上第2行×-3 3 0 57 66 0 -1/3 -43/3 -50/3 第1行,第2行, 提取公因子3,-1/3 1 0 19 22 0 1 43 50 得到矩阵 19 22 43 50 5 6 7 8 19 22 43 50 第2列, 加上第1列×-6/5 5 0 7 -2/5 19 -4/5 43 -8/5 第1列, 加上第2列×35/2 5 0 0 -2/5 5 -4/5 15 -8/5 第1列,第2列, 提取公因子5,-2/5 1 0 0 1 1 2 3 4 得到矩阵 1 2 3 4 解方程3/5x/1/6=2/3 3/5x/1/6=2/33/5x=1/6*2/33/5x=1/9x=1/9×5/3x=5/27 x比1/2等于3/2比四解方程 x：1/2=3/2：44x=1/2×3/24x=3/4x=3/16 解方程3/4x+1/8=1/2 过程3/4x+1/8=1/23/4x=1/2-1/83/4x=3/8x=3/8÷3/4x=1/2 x÷2/3-1/4=3/4解方程 x÷2/3-1/4=3/4x÷2/3=3/4+1/4x÷2/3=1x=3/2 线上等！解方程1/(X-5)+2/(X-4)+3/()X-3+4/(X-2)=4 1/(X-5)+2/(X-4)+3/(X-3)+4/(X-2)=1+1+1+1[1-1/(X-5)]+[1-2/(X-4)]+[1-3/(X-3)]+[1-4/(X-2)]=0(X-6)/(X-5)+(X-6)/(X-4)+(X-6)/(X-3)+(X-6)/(X-2)=0(X-6)[1/(X-5)+1/(X-4)+1/(X-3)+1/(X-2)]=0(X-6)[(2X-7)/(X-5)(X-2)+(2X-7)/(X-3)(X-4)]=0(X-6)(2X-7)[1/(X^2-7X+10)+1/(X^2-7X+12)]=0先求出两个解X=6,X=7/21/(X^2-7X+10)+1/(X^2-7X+12)=0令Y=X^2-7X1/(Y+10)+1/(Y+12)=0(2Y+22)/(Y+10)(Y+12)=0所以Y=-11X^2-7X=-11X=(7-√5)/2,X=(7+√5)/2所以一共有4个解X=6,X=7/2,X=(7-√5)/2,X=(7+√5)/2}

选择擅长的领域继续答题？
{@each tagList as item}
${item.tagName}
{@/each}
手机回答更方便，互动更有趣，下载APP
提交成功是否继续回答问题？
手机回答更方便，互动更有趣，下载APP
3x+1/2=4/5解方程：3x=4/5-1/23x=0.8-0.53x=0.3x=0.1由题意可知，原式等于3x+1/2=4/5两边减去1/2，得3x=4/5-1/2=3/10两边同除以3，得x=1/10。}

',getTip:function(t,e){return t.renderTip(e.getAttribute(t.triangularSign),e.getAttribute("jubao"))},getILeft:function(t,e){return t.left+e.offsetWidth/2-e.tip.offsetWidth/2},getSHtml:function(t,e,n){return t.tpl.replace(/\{\{#href\}\}/g,e).replace(/\{\{#jubao\}\}/g,n)}},baobiao:{triangularSign:"data-baobiao",tpl:'{{#baobiao_text}}',getTip:function(t,e){return t.renderTip(e.getAttribute(t.triangularSign))},getILeft:function(t,e){return t.left-21},getSHtml:function(t,e,n){return t.tpl.replace(/\{\{#baobiao_text\}\}/g,e)}}};function l(t){return this.type=t.type
"defaultTip",this.objTip=u[this.type],this.containerId="c-tips-container",this.advertContainerClass=t.adSelector,this.triangularSign=this.objTip.triangularSign,this.delaySeconds=200,this.adventContainer="",this.triangulars=[],this.motherContainer=a("div"),this.oTipContainer=i(this.containerId),this.tip="",this.tpl=this.objTip.tpl,this.init()}l.prototype={constructor:l,arrInit:function(){for(var t=0;t0}});else{var t=window.document;n.prototype.THROTTLE_TIMEOUT=100,n.prototype.POLL_INTERVAL=null,n.prototype.USE_MUTATION_OBSERVER=!0,n.prototype.observe=function(t){if(!this._observationTargets.some((function(e){return e.element==t}))){if(!t
1!=t.nodeType)throw new Error("target must be an Element");this._registerInstance(),this._observationTargets.push({element:t,entry:null}),this._monitorIntersections(),this._checkForIntersections()}},n.prototype.unobserve=function(t){this._observationTargets=this._observationTargets.filter((function(e){return e.element!=t})),this._observationTargets.length
(this._unmonitorIntersections(),this._unregisterInstance())},n.prototype.disconnect=function(){this._observationTargets=[],this._unmonitorIntersections(),this._unregisterInstance()},n.prototype.takeRecords=function(){var t=this._queuedEntries.slice();return this._queuedEntries=[],t},n.prototype._initThresholds=function(t){var e=t
[0];return Array.isArray(e)
(e=[e]),e.sort().filter((function(t,e,n){if("number"!=typeof t
isNaN(t)
t1)throw new Error("threshold must be a number between 0 and 1 inclusively");return t!==n[e-1]}))},n.prototype._parseRootMargin=function(t){var e=(t
"0px").split(/\s+/).map((function(t){var e=/^(-?\d*\.?\d+)(px|%)$/.exec(t);if(!e)throw new Error("rootMargin must be specified in pixels or percent");return{value:parseFloat(e[1]),unit:e[2]}}));return e[1]=e[1]
e[0],e[2]=e[2]
e[0],e[3]=e[3]
e[1],e},n.prototype._monitorIntersections=function(){this._monitoringIntersections
(this._monitoringIntersections=!0,this.POLL_INTERVAL?this._monitoringInterval=setInterval(this._checkForIntersections,this.POLL_INTERVAL):(r(window,"resize",this._checkForIntersections,!0),r(t,"scroll",this._checkForIntersections,!0),this.USE_MUTATION_OBSERVER&&"MutationObserver"in window&&(this._domObserver=new MutationObserver(this._checkForIntersections),this._domObserver.observe(t,{attributes:!0,childList:!0,characterData:!0,subtree:!0}))))},n.prototype._unmonitorIntersections=function(){this._monitoringIntersections&&(this._monitoringIntersections=!1,clearInterval(this._monitoringInterval),this._monitoringInterval=null,i(window,"resize",this._checkForIntersections,!0),i(t,"scroll",this._checkForIntersections,!0),this._domObserver&&(this._domObserver.disconnect(),this._domObserver=null))},n.prototype._checkForIntersections=function(){var t=this._rootIsInDom(),n=t?this._getRootRect():{top:0,bottom:0,left:0,right:0,width:0,height:0};this._observationTargets.forEach((function(r){var i=r.element,a=o(i),c=this._rootContainsTarget(i),s=r.entry,u=t&&c&&this._computeTargetAndRootIntersection(i,n),l=r.entry=new e({time:window.performance&&performance.now&&performance.now(),target:i,boundingClientRect:a,rootBounds:n,intersectionRect:u});s?t&&c?this._hasCrossedThreshold(s,l)&&this._queuedEntries.push(l):s&&s.isIntersecting&&this._queuedEntries.push(l):this._queuedEntries.push(l)}),this),this._queuedEntries.length&&this._callback(this.takeRecords(),this)},n.prototype._computeTargetAndRootIntersection=function(e,n){if("none"!=window.getComputedStyle(e).display){for(var r,i,a,s,u,l,f,h,p=o(e),d=c(e),v=!1;!v;){var g=null,m=1==d.nodeType?window.getComputedStyle(d):{};if("none"==m.display)return;if(d==this.root
d==t?(v=!0,g=n):d!=t.body&&d!=t.documentElement&&"visible"!=m.overflow&&(g=o(d)),g&&(r=g,i=p,a=void 0,s=void 0,u=void 0,l=void 0,f=void 0,h=void 0,a=Math.max(r.top,i.top),s=Math.min(r.bottom,i.bottom),u=Math.max(r.left,i.left),l=Math.min(r.right,i.right),h=s-a,!(p=(f=l-u)>=0&&h>=0&&{top:a,bottom:s,left:u,right:l,width:f,height:h})))break;d=c(d)}return p}},n.prototype._getRootRect=function(){var e;if(this.root)e=o(this.root);else{var n=t.documentElement,r=t.body;e={top:0,left:0,right:n.clientWidth
r.clientWidth,width:n.clientWidth
r.clientWidth,bottom:n.clientHeight
r.clientHeight,height:n.clientHeight
r.clientHeight}}return this._expandRectByRootMargin(e)},n.prototype._expandRectByRootMargin=function(t){var e=this._rootMarginValues.map((function(e,n){return"px"==e.unit?e.value:e.value*(n%2?t.width:t.height)/100})),n={top:t.top-e[0],right:t.right+e[1],bottom:t.bottom+e[2],left:t.left-e[3]};return n.width=n.right-n.left,n.height=n.bottom-n.top,n},n.prototype._hasCrossedThreshold=function(t,e){var n=t&&t.isIntersecting?t.intersectionRatio
0:-1,r=e.isIntersecting?e.intersectionRatio
0:-1;if(n!==r)for(var i=0;i0&&function(t,e,n,r){var i=document.getElementsByClassName(t);if(i.length>0)for(var o=0;o展开全部解：3x+6=5x-45x-3x=6+42x=10x=5展开全部3(x+2)=5x-43X+6=5X-42X=10X=5
展开全部3（x+2)=5x-43x+6=5x-46+4=5x-3x10=2xx=5展开全部3(x+2)=5x-43x+6=5x-45x-3x=6+42x=10x=5
收起
更多回答（3）
推荐律师服务：
若未解决您的问题，请您详细描述您的问题，通过百度律临进行免费专业咨询
为你推荐：
下载百度知道APP，抢鲜体验使用百度知道APP，立即抢鲜体验。你的手机镜头里或许有别人想知道的答案。扫描二维码下载
×个人、企业类侵权投诉
违法有害信息,请在下方选择后提交
类别色情低俗
涉嫌违法犯罪
时政信息不实
垃圾广告
低质灌水
我们会通过消息、邮箱等方式尽快将举报结果通知您。说明
做任务开宝箱累计完成0
个任务
10任务
50任务
100任务
200任务
任务列表加载中...
}