通分:3a的平方c的平方分之b,2ab分之c,5cb的平方分之a.b/3a²c²、 c/2ab 、a/5b²c它们的最简公分母是30a²b²c²
https://www.ouer.net/zati/kz2f.html - 2022-06-30 06:16:12 - 中学考试杂题通分 1.a/(a^2-9),a-1/a^2+6a+9 2.x/2(x+1),1/x^2-x 3.1/x^2-4,x/4-2x.通分 1、a/(a^2-9)和(a-1)/a^2+6a+9,a/(a^2-
https://www.ouer.net/chuzhongshuxue/wu63.html - 2022-11-05 07:15:46 - 中学数学试题1+1/2+3/4+7/8+15/16+31/32+63/64 简便计算,不通分..=7×1-(1/2+1/4+1/8+1/16+1/32+1/64)=7-63/64=6又1/64
https://www.ouer.net/chuzhongshuxue/k40v.html - 2022-07-23 05:49:09 - 中学数学试题人教版八年级上册数学第十五章第1节分式同步练习张萌将分式进行通分,则这两个分式的最简公分母为A.B.C.D.
https://www.ouer.net/chuzhongshuxue/315z.html - 2022-12-13 15:50:21 - 中学数学试题通分三又八分之一,三又九分之八,三又十分之九.8分之25,9分之35,10分之39
https://www.ouer.net/zati/z9fc.html - 2022-05-12 06:28:16 - 中学考试杂题1/2x+3,2/3-2x.2x+5/4x^2-9通分.1/2x+3=2x-3 / 4x²-92/3-2x=-4x-6 / 4x²-9 2x+5/4x^2-9
https://www.ouer.net/chuzhongshuxue/f4x0.html - 2022-09-23 12:02:33 - 中学数学试题问两个问题.通分:(x+4)/(x^2-8x+15)、(x+5)/(x^2+x-12)和(x-3)/(x^2-x-20).先说他们的最小公分母是...问两个问题.通分:(x+4)/(x^2-8x+15)
https://www.ouer.net/chuzhongshuxue/w56s.html - 2022-11-07 18:47:29 - 中学数学试题通分4x²-y² 分之y与3y-6x分之x.4x²-y² 分之y= (2x+y)(2x-y)分之y=3 (2x+y)(2x-y)分之3y 3y-6x分之x= -3
https://www.ouer.net/chuzhongshuxue/sek1.html - 2022-10-17 03:35:08 - 中学数学试题许多简单约分、通分、分数比大小、异分母分数加减法是求一些习题. 题呢?
https://www.ouer.net/shuxue/7xvs.html - 2020-12-03 10:10:49 - 数学作业答案判断题:把三分之一和六分之一通分,可以选6作公分母( ).把三分之一和六分之一通分,可以选6作公分母( √)
https://www.ouer.net/chuzhongshuxue/bra8.html - 2022-09-13 07:40:42 - 中学数学试题五年级数学分数加减法脱式计算要通分,不是简便运算.求20道. 1. 3/7 × 49/9 - 4/3 2. 8/9 × 15/36 + 1/27 3. 12× 5/6
https://www.ouer.net/shuxue/ve19.html - 2021-05-04 08:44:19 - 数学作业答案2xy/(x+y)(x+y)与x/(x+y)(x-y)怎么通分.第一个式子上下同乘x-y得2x平方y-2xy平方/(x+y)(x平方-y平方)第二个式子上下同乘x+y得x平方y/(x+y)(x平方-y平方
https://www.ouer.net/chuzhongshuxue/vkc3.html - 2022-10-26 09:24:58 - 中学数学试题如果A÷B=C(A、B、C都是整数),请把A分之1和B分之1通分.最好具体些.好的可以悬赏高些..
https://www.ouer.net/shuxue/kh1zz.html - 2022-07-28 09:08:20 - 数学作业答案分式通分 1/(x的平方-5x),2/(x的平方-25),3/(x的平方+5x).x²-5x=x(x-5)x²-25=(x+5)(x-5)x²+5x=x(x+5)∴最简公分母是
https://www.ouer.net/chuzhongshuxue/vdsu.html - 2022-10-26 16:22:59 - 中学数学试题当通分的时候分子分母都出现一个x,这个x可否约掉?如果不通分的话用罗比达法则做的答案是1/2,和用通分法得到的答案是一样的,请问是不
https://www.ouer.net/zati/mdf.html - 2022-02-23 18:16:14 - 中学考试杂题1又6分之5和1又8分之7通分 写过程 谢谢 求速度!.1又6分之5=11/61又8分之7=15/86,8的最小公倍数2411/6=44/2415/8=45/24
https://www.ouer.net/chuzhongshuxue/z2xa.html - 2022-05-02 20:46:09 - 中学数学试题通分是一个怎样的过程?
https://www.ouer.net/chuzhongshuxue/ur8f.html - 2022-10-20 08:56:39 - 中学数学试题通分x+1/x(x-1),x/x^2-1,2/x^2-2x+1.最简公分母x(x+1))(x-1)^2x+1/x(x-1)=x(x-1)(x+1)^2/x(x+1))(x-1)^2x/x^2-1=x^2
https://www.ouer.net/chuzhongshuxue/uxmx.html - 2022-10-21 19:16:20 - 中学数学试题(2x+2y)/(x-y)与2y²/3x通分要过程.最简公分母是3x(x-y)所以(2x+2y)/(x-y)=3x(2x+2y)/[3x(x-y)]2y²/3x=2y(x-y)/[3x
https://www.ouer.net/chuzhongshuxue/5f0.html - 2022-02-15 19:13:05 - 中学数学试题通分1/2m^2+3m与(2m+5)/4m^2-9.公分母:m(2m+3)(2m-3)1/(2m²+3m)=(2m+3)/[m(2m+3)(2m-3)](2m+5)/(4m²-9)=
https://www.ouer.net/chuzhongshuxue/dr5h.html - 2022-08-15 02:23:16 - 中学数学试题将分式 1/(x-2) 1/(3x+6) 3/(x^3-4x) 通分后,他们分别变为______________________.3x+6=3(x+2)x^3-4x=x(x+2)(x-2)所以最简公分母是
https://www.ouer.net/chuzhongshuxue/h52c.html - 2022-06-13 09:37:03 - 中学数学试题通分分式1/(a-b)(b-c),1/(a-b)(c-a),1/(b-c)(c-a)要过程哦.是三式相加么?
https://www.ouer.net/chuzhongshuxue/u84h.html - 2022-10-24 04:04:05 - 中学数学试题先通分再比大小:十二分之十一,16分之15,二十四分之十九.12.16.24的最小公倍数为4811/12=44/4815/16=45/4819/24=38/48因为38/48<44/48<45/48所以
https://www.ouer.net/chuzhongshuxue/r8ew.html - 2022-10-09 10:32:42 - 中学数学试题对 a的平方分之1,a的平方+3a-10分之a,a的平方+7a+10分之1 通分.1/a²a/(a²+3a-10)=a/(a+5)(a-2)1/(a²+7a+10)=1/(
https://www.ouer.net/zati/kz26.html - 2022-06-30 06:56:24 - 中学考试杂题1/2+1/6+1/12+1/20+1/30等于多少,不能用通分.1/2=1-1/21/6=1/2-1/31/12=1/3-1/41/20=1/4-1/51/30=1/5-1/6把所有等式相加即得1/2
https://www.ouer.net/chuzhongshuxue/r898.html - 2022-10-09 10:23:05 - 中学数学试题通分:x的平方+x分之3与x+2x+1分之x+3要过程.x的平方+x分之3=3/x(x+1)=3(x+1)/x(x+1)²x²+2x+1分之x+3=(x+3)/(x+1)²
https://www.ouer.net/chuzhongshuxue/d82c.html - 2022-09-02 10:52:20 - 中学数学试题2mn/4m^2-9与2m-3/2m+3怎么通分.2mn/4m^2-9=2mn/[(2m+3)(2m-3)]2m-3/2m+3=(2m-3)(2m-3)/[(2m+3)(2m-3)]=(2m-3)²
https://www.ouer.net/chuzhongshuxue/f6vr.html - 2022-09-24 00:32:20 - 中学数学试题通分1/x(x-1),x/x²-1,2/x²-2x+1.1/x(x-1)=(x+1)(x-1)/x(x+1)(X-1)平方x/x²-1=x/(x+1)(x-1)=x平方(x
https://www.ouer.net/chuzhongshuxue/wu61.html - 2022-11-05 07:15:00 - 中学数学试题通分:m-n分之a,3(n-m)分之b,m的平方-2mn+n的平方分之c.最简公分母是3(m-n)²a/(m-n)=3a(m-n)/3(m-n)²b/3(n-m)=-b/3(m-n)
https://www.ouer.net/chuzhongshuxue/x197.html - 2022-11-14 02:25:07 - 中学数学试题通分:x+1/x的平方-x,x/x的平方-1,1/x的平方+2x+1.
https://www.ouer.net/chuzhongshuxue/d82s.html - 2022-09-02 10:57:21 - 中学数学试题通分:1/x²+x,-1/x²+2x+1,它们的最简公分母是.x²+x=x(x+1)x²+2x+1=(x+1)² 所以:最简公分母=x(x+1
https://www.ouer.net/chuzhongshuxue/uxmw.html - 2022-10-21 19:15:43 - 中学数学试题八分之三,五分之二,三分之一怎么通分好评.8,5,3的最小公倍数是120所以5/8=75/1202/5=48/1201/3=40/120亲,我的回答满意吗,满意的话麻烦点个采纳哦
https://www.ouer.net/chuzhongshuxue/bb76.html - 2022-09-12 17:26:19 - 中学数学试题要通分!.小丽每分钟打字:150/4=750/20个小华每分钟打字:186/5=744/20因为750/20>744/20所以小丽打字快.有不明白的地方欢迎追问.
https://www.ouer.net/chuzhongshuxue/cs5m.html - 2022-09-28 10:58:21 - 中学数学试题2xy/(x+y)的平方与x/x的平方-y的平方.通分.怎么弄出平方符号?.
https://www.ouer.net/chuzhongshuxue/sek3.html - 2022-10-17 03:35:53 - 中学数学试题通分:分式8-4x分之3与(x+2)(x+1)分之x的最简公分母是什么、.如果能说明就更好啦,求.8-4x=-4(X-2),∴公分母是-4(X-2)(X+2)(X+1),通分如下:3/(8-4X)=-3
https://www.ouer.net/chuzhongshuxue/0eku.html - 2022-11-23 22:41:52 - 中学数学试题人教版小学数学五年级下册约分和通分知识点就这样被.快,今晚要用.约分:一个分数的分子和分母只有公因数1,像这样的分数叫做最简分数.把一个分数化成和它相等,但分子和分母都比较小的分数,叫做约分.同分:如果一个数是另外两个数公有的倍数
https://www.ouer.net/chuzhongshuxue/febf.html - 2022-09-25 01:13:14 - 中学数学试题2mn/4m²-9与 2m-3/2m+3通分.1.2mn/4m²-9 2.2m-3/2m+3= (2m-3)²/(2m+3)(2m-3)=(2m-3)²/4m²
https://www.ouer.net/chuzhongshuxue/r67a.html - 2022-10-08 20:40:41 - 中学数学试题通分:x+y分之x-y,x²+xy分之x,x²-y²分之y.
https://www.ouer.net/chuzhongshuxue/dam1.html - 2022-08-03 12:27:12 - 中学数学试题通分:(1)a-2/a-3 ,a+1/-(a-2)(3-a) (2)x/a(x-y),y/b(y-x)希望能够详细点..
https://www.ouer.net/chuzhongshuxue/0ek0.html - 2022-11-23 22:44:52 - 中学数学试题x+2/2x+2,x/x的平方-x-2,3/8-4x分式通分.公分母是:4(x+1)(x-2)x+2/2x+2=2(x^2-4)/4(x+1)(x-2)x/x的平方-x-2=4x/4(x+1)(x-2)
https://www.ouer.net/chuzhongshuxue/r80h.html - 2022-10-09 08:02:42 - 中学数学试题通分 x+2分子1 ,x的平方-4分子4x ,2-x分子2.1/(x+2),4x/(x²-4),2/(2-x)公分母是x²-4=(x+2)(x-2)1/(x+2)=(x-2)/(x&
https://www.ouer.net/zati/bw3.html - 2022-01-28 14:43:20 - 中学考试杂题通分这三个分式. x/x^2-4 ,1/4-2x, 2/x^2-4x+4.x/(x²-4)=2x(x-2)/2(x-2)²(x+2);1/(4-2x)=-(x-2)(x+2)/2(x
https://www.ouer.net/chuzhongshuxue/r13e.html - 2022-10-07 11:23:39 - 中学数学试题2mn/4m²-9与2m-3/2m+3通分要过程.4m²-9=(2m+3)(2m-3)所以2mn/4m²-9=2mn/(4m²-9)2m-3/2m+3=(2m-3
https://www.ouer.net/chuzhongshuxue/r67n.html - 2022-10-08 20:41:18 - 中学数学试题初中有理数的计算题1:计算:1:-2*3*(-4); 2:-6*(-5)*(-7);3:(-8/25)*1.25*(-8) -6*(-0.25)*11/14 包括通分.).1:-2*3*(-4)=2*3
https://www.ouer.net/chuzhongshuxue/zar.html - 2022-01-22 21:56:40 - 中学数学试题五分之一、六分之一、九分之二通分是多少?.5,6,9的最小公倍数是:90五分之一=18/90六分之一=15/90九分之二=20/90
https://www.ouer.net/chuzhongshuxue/c51x.html - 2022-10-01 03:02:41 - 中学数学试题X的平方-Y的平方分之1 A+B分之1,A的平方-B的平方分之1和B-A分之B 通分.
https://www.ouer.net/zati/kz27.html - 2022-06-30 07:00:26 - 中学考试杂题通分,(1)3x的平方分之1,12xy分之5 (2)x的平方+x分之1,x的平方-x分之1军训期间,小华打靶的成绩是M发9环和n发7环,请问,小华的平均成绩是没发多少环通分,(1)ab分之c,bc分之a
https://www.ouer.net/zati/cmr.html - 2022-01-31 21:04:22 - 中学考试杂题约分:x的平方-y的平方除以(x-y)的平方通分:x除以a(x+2)与y除以b(x+2).解(x²-y²)/(x-y)²=(x-y)(x+y)/(x-y)²=(x
https://www.ouer.net/chuzhongshuxue/x26a.html - 2022-11-14 08:01:53 - 中学数学试题先约分在再通分后比大小,从大到小15/35,30/63,12/20,30/45,35/75. 15/35约去5 =3/730/63约去3 =10/2112/20约去4
https://www.ouer.net/shuxue/7xvx.html - 2021-06-04 13:09:22 - 数学作业答案2(x-1)分之x,x的平方-1分之5,3(x-2)的平方分之4 通分.x/2(x-1)=3(x+1)(x-2)^2/[6(x+1)(x-1)(x-2)^2]5/(x^2-1)=5/(x+1)(x-1)
https://www.ouer.net/chuzhongshuxue/x4wa.html - 2022-11-14 20:04:09 - 中学数学试题