Mathway | 热门问题

热门问题

等级	主题	问题	格式化的问题
136001	四舍五入到最接近的千分位数	0.75	$0.75$
136002	四舍五入到最接近的千分位数	0.1763668	$0.1763668$
136003	四舍五入到最接近的千分位数	0.86070797	$0.86070797$
136004	四舍五入到最接近的千分位数	0.8958	$0.8958$
136005	四舍五入到最接近的千分位数	1.09861228	$1.09861228$
136006	四舍五入到最接近的千分位数	1.10517091	$1.10517091$
136007	四舍五入到最接近的千分位数	1.11328275	$1.11328275$
136008	求交点	y=x^2+7x-6y=5(x-2)^2-8	$y = x^{2} + 7 x - 6 y = 5 {(x - 2)}^{2} - 8$
136009	求交点	y=x^2x+y=2	$y = x^{2} x + y = 2$
136010	求出反函数	y=2x+2	$y = 2 x + 2$
136011	求出反函数	F=9/5C+32	$F = \frac{9}{5} C + 32$
136012	求出反函数	y = log base 3 of x	$y = \log_{3} (x)$
136013	求交点	3x+5y<=15 , x+y<=4	$3 x + 5 y \leq 15$ , $x + y \leq 4$
136014	四舍五入到最接近的千分位数	9.00559	$9.00559$
136015	四舍五入到最接近的千分位数	326.38553617	$326.38553617$
136016	求交点	x^2-y=3 x-y=-3	$x^{2} - y = 3$ $x - y = - 3$
136017	求交点	x^2+y^2=36 , y^2-5x=36	$x^{2} + y^{2} = 36$ , $y^{2} - 5 x = 36$
136018	求交点	x^2+y^2=12 , y^2-2x^2=6	$x^{2} + y^{2} = 12$ , $y^{2} - 2 x^{2} = 6$
136019	求交点	y = square root of 196-x^2 , y=16-x	$y = \sqrt{196 - x^{2}}$ , $y = 16 - x$
136020	求交点	y+12=x^2+xx+y=3	$y + 12 = x^{2} + x x + y = 3$
136021	求交点	y<=-4x+1y>=2/3x	$y \leq - 4 x + 1 y \geq \frac{2}{3} x$
136022	求交点	y=2x^2-4y=-2x	$y = 2 x^{2} - 4 y = - 2 x$
136023	求出平均值	1 , 2 , 2 , 1 , 3 , 3	$1$ , $2$ , $2$ , $1$ , $3$ , $3$
136024	求出平均值	8 , 4 , 14 , 16 , 8	$8$ , $4$ , $14$ , $16$ , $8$
136025	求出局部极大值与局部极小值	y=-x^4+24x^3-214x^2+840x-1225	$y = - x^{4} + 24 x^{3} - 214 x^{2} + 840 x - 1225$
136026	求出给定点处的正弦	(-9/41,40/41)	$p (- \frac{9}{41}, \frac{40}{41})$
136027	求出给定点处的正弦	(5/13,y)	$(\frac{5}{13}, y)$
136028	पहिले 5 पदों का योग ज्ञात कीजिये	3 , 6 , 12 , 24	$3$ , $6$ , $12$ , $24$
136029	Second अवकलज ज्ञात करें	3e^(-x^4)	$3 e^{- x^{4}}$
136030	通过一个点和斜率求出方程	m=5 , (2,2)	$m = 5$ , $(2, 2)$
136031	Find the Parabola with Focus (4,0) and Directrix x=-3	(4,0) x=-3	$(4, 0)$ $x = - 3$
136032	Find the Parabola with Focus (4,0) and Directrix x=-4	(4,0) x=-4	$(4, 0)$ $x = - 4$
136033	Find the Parabola with Focus (1,0) and Directrix x=-1	(1,0) , x=-1	$(1, 0)$ , $x = - 1$
136034	Find the Parabola with Focus (0,3) and Directrix y=-3	(0,3) , y=-3	$(0, 3)$ , $y = - 3$
136035	判断是否为奇、偶或非奇非偶	x^4-16x^2	$x^{4} - 16 x^{2}$
136036	判断是否为奇、偶或非奇非偶	3x^4-2x^2	$3 x^{4} - 2 x^{2}$
136037	判断是否为奇、偶或非奇非偶	x^11+x^9	$x^{11} + x^{9}$
136038	求出长、宽或高	[[1,-1,-9],[0,-3,4],[9,6,-5],[5,7,2],[3,0,14]]	$[\begin{array}{c} 1 & - 1 & - 9 \\ 0 & - 3 & 4 \\ 9 & 6 & - 5 \\ 5 & 7 & 2 \\ 3 & 0 & 14 \end{array}]$
136039	使用棣莫弗定理展开	(5(cos(20)+isin(20)))^3	${(5 (\cos (20) + i \sin (20)))}^{3}$
136040	判断是否为奇、偶或非奇非偶	6x+1 的立方根	$\sqrt[3]{6 x + 1}$
136041	判断是否为奇、偶或非奇非偶	2x^3-4x	$2 x^{3} - 4 x$
136042	判断是否为奇、偶或非奇非偶	2x^5-4x^3+x	$2 x^{5} - 4 x^{3} + x$
136043	判断是否平行	y=4x-424x-4y=96	$y = 4 x - 424 x - 4 y = 96$
136044	判断是否平行	x+5y=266x-4y=20	$x + 5 y = 266 x - 4 y = 20$
136045	判断是否平行	x-4y=-8y=4x-4	$x - 4 y = - 8 y = 4 x - 4$
136046	判断是否平行	x-2y=-6y=2x-2	$x - 2 y = - 6 y = 2 x - 2$
136047	判断是否平行	x-3y=-6y=3x-9	$x - 3 y = - 6 y = 3 x - 9$
136048	找出函数规则	table[[x,y],[-7.5,12],[-3.5,0],[-1,-7.5]]	$\begin{array}{c} x & y \\ - 7.5 & 12 \\ - 3.5 & 0 \\ - 1 & - 7.5 \end{array}$
136049	求解矩阵方程	[[-1,-9],[0,-1]]C=[[11],[2]]	$[\begin{array}{c} - 1 & - 9 \\ 0 & - 1 \end{array}] C = [\begin{array}{c} 11 \\ 2 \end{array}]$
136050	求解矩阵方程	[[-1,-2],[2,9]]b=[[-3,-5,13],[21,0,-36]]	$[\begin{array}{c} - 1 & - 2 \\ 2 & 9 \end{array}] b = [\begin{array}{c} - 3 & - 5 & 13 \\ 21 & 0 & - 36 \end{array}]$
136051	求解矩阵方程	[[20,-3],[15,-3]]=[[-6,-5],[-5,-4]]X	$[\begin{array}{c} 20 & - 3 \\ 15 & - 3 \end{array}] = [\begin{array}{c} - 6 & - 5 \\ - 5 & - 4 \end{array}] X$
136052	求解矩阵方程	[[-2,-6],[-1,2]]X=[[6,-14],[-2,-2]]	$[\begin{array}{c} - 2 & - 6 \\ - 1 & 2 \end{array}] X = [\begin{array}{c} 6 & - 14 \\ - 2 & - 2 \end{array}]$
136053	求解矩阵方程	[[2,2,-7],[8,5,1],[3,12,-15]]-X=[[0,6,15],[-9,-18,19],[12,-7,3]]	$[\begin{array}{c} 2 & 2 & - 7 \\ 8 & 5 & 1 \\ 3 & 12 & - 15 \end{array}] - X = [\begin{array}{c} 0 & 6 & 15 \\ - 9 & - 18 & 19 \\ 12 & - 7 & 3 \end{array}]$
136054	找出函数规则	table[[x,y],[2,6],[-1,-3],[0,0]]	$\begin{array}{c} x & y \\ 2 & 6 \\ - 1 & - 3 \\ 0 & 0 \end{array}$
136055	找出函数规则	table[[x,y],[2,0],[3,1],[4,2]]	$\begin{array}{c} x & y \\ 2 & 0 \\ 3 & 1 \\ 4 & 2 \end{array}$
136056	找出函数规则	table[[x,y],[1,9],[2,11],[3,13]]	$\begin{array}{c} x & y \\ 1 & 9 \\ 2 & 11 \\ 3 & 13 \end{array}$
136057	找出函数规则	table[[x,y],[0,-7],[1,-4],[2,-1],[3,2],[4,5]]	$\begin{array}{c} x & y \\ 0 & - 7 \\ 1 & - 4 \\ 2 & - 1 \\ 3 & 2 \\ 4 & 5 \end{array}$
136058	找出函数规则	table[[x,y],[0,3],[1,12],[2,48]]	$\begin{array}{c} x & y \\ 0 & 3 \\ 1 & 12 \\ 2 & 48 \end{array}$
136059	求解矩阵方程	[[2x-1,0],[1,-3]]=[[5,0],[1,-3]]	$[\begin{array}{c} 2 x - 1 & 0 \\ 1 & - 3 \end{array}] = [\begin{array}{c} 5 & 0 \\ 1 & - 3 \end{array}]$
136060	求解矩阵方程	[[3,-8],[10,5]]-x=[[2,8],[-1,12]]	$[\begin{array}{c} 3 & - 8 \\ 10 & 5 \end{array}] - x = [\begin{array}{c} 2 & 8 \\ - 1 & 12 \end{array}]$
136061	求解矩阵方程	[[x-7,3,-8y],[4,-8x,-7],[-9,y-3,-3]]=[[7x-19,3,24],[4,-16,-7],[-9,-6,-3]]	$[\begin{array}{c} x - 7 & 3 & - 8 y \\ 4 & - 8 x & - 7 \\ - 9 & y - 3 & - 3 \end{array}] = [\begin{array}{c} 7 x - 19 & 3 & 24 \\ 4 & - 16 & - 7 \\ - 9 & - 6 & - 3 \end{array}]$
136062	求解矩阵方程	x+[[4,2],[3,5]]=[[3,-4],[4,-5]]	$x + [\begin{array}{c} 4 & 2 \\ 3 & 5 \end{array}] = [\begin{array}{c} 3 & - 4 \\ 4 & - 5 \end{array}]$
136063	求解最简化梯阵形式	[[1,2,-1,7],[3,7,-5,14],[-2,-1,-3,8]]	$[\begin{array}{c} 1 & 2 & - 1 & 7 \\ 3 & 7 & - 5 & 14 \\ - 2 & - 1 & - 3 & 8 \end{array}]$
136064	求解最简化梯阵形式	[[2,3,1,-1],[3,3,1,1],[2,4,1,-2]]	$[\begin{array}{c} 2 & 3 & 1 & - 1 \\ 3 & 3 & 1 & 1 \\ 2 & 4 & 1 & - 2 \end{array}]$
136065	求解最简化梯阵形式	[[23,2,1],[2,19,-3]]	$[\begin{array}{c} 23 & 2 & 1 \\ 2 & 19 & - 3 \end{array}]$
136066	求解最简化梯阵形式	[[1,1,-1,13],[0,1,-1,2],[0,0,1,1]]	$[\begin{array}{c} 1 & 1 & - 1 & 13 \\ 0 & 1 & - 1 & 2 \\ 0 & 0 & 1 & 1 \end{array}]$
136067	求解最简化梯阵形式	[[0,5,5,0],[0,0,5,5]]	$[\begin{array}{c} 0 & 5 & 5 & 0 \\ 0 & 0 & 5 & 5 \end{array}]$
136068	判断性质（首项系数检验）	y=x^3-4x^2-x+4	$y = x^{3} - 4 x^{2} - x + 4$
136069	判断性质（首项系数检验）	y=x^3+4x	$y = x^{3} + 4 x$
136070	求出反函数	{(1,0),(3,1),(-1,0),(-3,0)}	${(1, 0), (3, 1), (- 1, 0), (- 3, 0)}$
136071	求出反函数	(1,-3) , (-4,5) , (4,-2)	$(1, - 3)$ , $(- 4, 5)$ , $(4, - 2)$
136072	通过一点和y轴截距求出方程	(0,9)	$(0, 9)$
136073	通过一点和y轴截距求出方程	(0,3)	$(0, 3)$
136074	求出首项系数	(x-2y)^7	${(x - 2 y)}^{7}$
136075	求出首项系数	x^6+3-2x^2+4x^7-4x	$x^{6} + 3 - 2 x^{2} + 4 x^{7} - 4 x$
136076	求出a、b、c	-7x^2+6x=1	$- 7 x^{2} + 6 x = 1$
136077	求出a、b、c	-y^2+12y-36=0	$- y^{2} + 12 y - 36 = 0$
136078	求出a、b、c	-y^2+2y-1=0	$- y^{2} + 2 y - 1 = 0$
136079	求出a、b、c	x^2-x 5+1=0 的平方根	$x^{2} - x \sqrt{5} + 1 = 0$
136080	求出a、b、c	x^2-5x-24=0	$x^{2} - 5 x - 24 = 0$
136081	求出a、b、c	-x^2-18x-81=0	$- x^{2} - 18 x - 81 = 0$
136082	求出a、b、c	-y^2-3y-3=0	$- y^{2} - 3 y - 3 = 0$
136083	求出a、b、c	-y^2+8y+8=0	$- y^{2} + 8 y + 8 = 0$
136084	使用余式定理计算	f(x)=x^2+5x+6 ; K=-2	$f (x) = x^{2} + 5 x + 6$ ; $K = - 2$
136085	求出a、b、c	-3x^2+6=x	$- 3 x^{2} + 6 = x$
136086	求出a、b、c	-6x^2+2=-3x	$- 6 x^{2} + 2 = - 3 x$
136087	求出a、b、c	4x^2+8-6x=1	$4 x^{2} + 8 - 6 x = 1$
136088	求出a、b、c	-2x^2-5x-7=0	$- 2 x^{2} - 5 x - 7 = 0$
136089	求出a、b、c	2x^2=3x+9	$2 x^{2} = 3 x + 9$
136090	求出a、b、c	-16y^2-24y-9=0	$- 16 y^{2} - 24 y - 9 = 0$
136091	求出a、b、c	0=-3x-5+x^2	$0 = - 3 x - 5 + x^{2}$
136092	求出展开式	(x+3)^2+(y-8)^2=5	${(x + 3)}^{2} + {(y - 8)}^{2} = 5$
136093	求出展开式	(x+6)^2+(y+8)^2=10^2	${(x + 6)}^{2} + {(y + 8)}^{2} = 10^{2}$
136094	求出展开式	x^2+y^2=9	$x^{2} + y^{2} = 9$
136095	求出展开式	(x-3)^2+(y+5)^2=9	${(x - 3)}^{2} + {(y + 5)}^{2} = 9$
136096	Find the Hyperbola: Center (0,0), Focus (0,-10), Vertex (0,5)	(0,0) , (0,-10) , (0,5)	$(0, 0)$ , $(0, - 10)$ , $(0, 5)$
136097	Find the Hyperbola: Center (0,0), Focus (0,10), Vertex (0,-6)	(0,0) , (0,10) , (0,-6)	$(0, 0)$ , $(0, 10)$ , $(0, - 6)$
136098	求斜率和y轴截距	f(x)=1/5x-3	$f (x) = \frac{1}{5} x - 3$
136099	求斜率和y轴截距	f(x)=-2/3x+3	$f (x) = - \frac{2}{3} x + 3$
136100	求斜率和y轴截距	f(x)=1/4x-2	$f (x) = \frac{1}{4} x - 2$