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热门问题

等级	主题	问题	格式化的问题
25401	确定性质	((x+8)^2)/3-((y-1)^2)/8=1	$\frac{{(x + 8)}^{2}}{3} - \frac{{(y - 1)}^{2}}{8} = 1$
25402	确定性质	((x+5)^2)/36-((y+1)^2)/64=1	$\frac{{(x + 5)}^{2}}{36} - \frac{{(y + 1)}^{2}}{64} = 1$
25403	确定性质	9x^2-72x+25y^2+150y=-144	$9 x^{2} - 72 x + 25 y^{2} + 150 y = - 144$
25404	确定性质	(((x+4)^2)/9)-(((y-5)^2)/16)=1	$(\frac{{(x + 4)}^{2}}{9}) - (\frac{{(y - 5)}^{2}}{16}) = 1$
25405	确定性质	(((y+2)^2)/81)-(((x-3)^2)/144)=1	$(\frac{{(y + 2)}^{2}}{81}) - (\frac{{(x - 3)}^{2}}{144}) = 1$
25406	确定性质	((x^2)/20)-((y+1)^2)/10=1	$(\frac{x^{2}}{20}) - \frac{{(y + 1)}^{2}}{10} = 1$
25407	确定性质	((y+3)/1)^2-((x+2)/3)^2=1	${(\frac{y + 3}{1})}^{2} - {(\frac{x + 2}{3})}^{2} = 1$
25408	确定性质	(x+2)^2-64(y-4)^2=64	${(x + 2)}^{2} - 64 {(y - 4)}^{2} = 64$
25409	确定性质	(x-2)^2-(y-2)^2=1	${(x - 2)}^{2} - {(y - 2)}^{2} = 1$
25410	确定性质	((x+1)^2)/16-((y-5)^2)/9=1	$\frac{{(x + 1)}^{2}}{16} - \frac{{(y - 5)}^{2}}{9} = 1$
25411	确定性质	((x+1)^2)/25-((y-1)^2)/36=1	$\frac{{(x + 1)}^{2}}{25} - \frac{{(y - 1)}^{2}}{36} = 1$
25412	确定性质	((x+3)^2)/4-((y-3)^2)/9=1	$\frac{{(x + 3)}^{2}}{4} - \frac{{(y - 3)}^{2}}{9} = 1$
25413	确定性质	((x+3)^2)/81-((y-2)^2)/169=1	$\frac{{(x + 3)}^{2}}{81} - \frac{{(y - 2)}^{2}}{169} = 1$
25414	确定性质	((x+1)^2)/64-((y+3)^2)/81=1	$\frac{{(x + 1)}^{2}}{64} - \frac{{(y + 3)}^{2}}{81} = 1$
25415	确定性质	((x+2)^2)/169-((y+8)^2)/4=1	$\frac{{(x + 2)}^{2}}{169} - \frac{{(y + 8)}^{2}}{4} = 1$
25416	确定性质	4y^2+x^2=36	$4 y^{2} + x^{2} = 36$
25417	确定性质	4y^2+81x^2=324	$4 y^{2} + 81 x^{2} = 324$
25418	确定性质	49(x+2)^2+9(y+6)^2=441	$49 {(x + 2)}^{2} + 9 {(y + 6)}^{2} = 441$
25419	确定性质	49x^2+y^2=49	$49 x^{2} + y^{2} = 49$
25420	确定性质	49x^2+9y^2=441	$49 x^{2} + 9 y^{2} = 441$
25421	确定性质	4x^2+3y^2-16x+18y=-31	$4 x^{2} + 3 y^{2} - 16 x + 18 y = - 31$
25422	确定性质	4x^2+9y^2-48x+72y+144=0	$4 x^{2} + 9 y^{2} - 48 x + 72 y + 144 = 0$
25423	确定性质	5x^2+2y^2+30x-16y+27=0	$5 x^{2} + 2 y^{2} + 30 x - 16 y + 27 = 0$
25424	确定性质	5x^2+2y^2-20x+24y+82=0	$5 x^{2} + 2 y^{2} - 20 x + 24 y + 82 = 0$
25425	化简	cos(2)theta	$\cos (2) θ$
25426	确定性质	5x^2+9y^2+10x-36y-4=0	$5 x^{2} + 9 y^{2} + 10 x - 36 y - 4 = 0$
25427	确定性质	6x^2+1.5y^2=2	$6 x^{2} + 1.5 y^{2} = 2$
25428	确定性质	62.2x^2+46.2y^2+497.62x-369.62y=-1554.85	$62.2 x^{2} + 46.2 y^{2} + 497.62 x - 369.62 y = - 1554.85$
25429	确定性质	64x^2+100y^2-256x+200y-6044=0	$64 x^{2} + 100 y^{2} - 256 x + 200 y - 6044 = 0$
25430	确定性质	64x^2+81y^2=5184	$64 x^{2} + 81 y^{2} = 5184$
25431	确定性质	7x^2=35-5y^2	$7 x^{2} = 35 - 5 y^{2}$
25432	确定性质	81x^2+16y^2=1296	$81 x^{2} + 16 y^{2} = 1296$
25433	确定性质	81x^2+36y^2=2916	$81 x^{2} + 36 y^{2} = 2916$
25434	确定性质	9(x-4)^2+25(y+1)^2=225	$9 {(x - 4)}^{2} + 25 {(y + 1)}^{2} = 225$
25435	确定性质	9x^2+25y^2-18x+100y-116=0	$9 x^{2} + 25 y^{2} - 18 x + 100 y - 116 = 0$
25436	确定性质	9x^2+25y^2-54x+200y+256=0	$9 x^{2} + 25 y^{2} - 54 x + 200 y + 256 = 0$
25437	确定性质	9x^2+6y^2=54	$9 x^{2} + 6 y^{2} = 54$
25438	确定性质	9x^2+y^2+36x-6y+36=0	$9 x^{2} + y^{2} + 36 x - 6 y + 36 = 0$
25439	确定性质	9x^2+16y^2-126x+297=0	$9 x^{2} + 16 y^{2} - 126 x + 297 = 0$
25440	确定性质	9x^2+25y^2=225	$9 x^{2} + 25 y^{2} = 225$
25441	确定性质	9x^2+25y^2-18x+150y+9=0	$9 x^{2} + 25 y^{2} - 18 x + 150 y + 9 = 0$
25442	确定性质	9x^2+25y^2-54x-50y-119=0	$9 x^{2} + 25 y^{2} - 54 x - 50 y - 119 = 0$
25443	确定性质	9x^2+4y^2+18x-32y+37=0	$9 x^{2} + 4 y^{2} + 18 x - 32 y + 37 = 0$
25444	确定性质	4x^2+y^2+8x+2-31=0	$4 x^{2} + y^{2} + 8 x + 2 - 31 = 0$
25445	确定性质	4x^2+y^2+8x-6y-5=0	$4 x^{2} + y^{2} + 8 x - 6 y - 5 = 0$
25446	确定性质	4x^2+y^2-16x+8y-4=0	$4 x^{2} + y^{2} - 16 x + 8 y - 4 = 0$
25447	确定性质	4x^2+y^2-16x-6y+9=0	$4 x^{2} + y^{2} - 16 x - 6 y + 9 = 0$
25448	确定性质	4x^2+y^2-24x-8y+48=0	$4 x^{2} + y^{2} - 24 x - 8 y + 48 = 0$
25449	确定性质	4x^2+16y^2=64	$4 x^{2} + 16 y^{2} = 64$
25450	确定性质	4x^2+2y^2-16y=32	$4 x^{2} + 2 y^{2} - 16 y = 32$
25451	确定性质	4x^2+24x+16y^2-128y+228=0	$4 x^{2} + 24 x + 16 y^{2} - 128 y + 228 = 0$
25452	确定性质	20x^2+4y^2=5	$20 x^{2} + 4 y^{2} = 5$
25453	确定性质	25x^2+16y^2+100x+32y-284=0	$25 x^{2} + 16 y^{2} + 100 x + 32 y - 284 = 0$
25454	确定性质	25x^2+16y^2=400	$25 x^{2} + 16 y^{2} = 400$
25455	确定性质	25x^2+16y^2-200x+96y+144=0	$25 x^{2} + 16 y^{2} - 200 x + 96 y + 144 = 0$
25456	确定性质	25x^2+169y^2=169	$25 x^{2} + 169 y^{2} = 169$
25457	确定性质	4x^2+25y^2=1600	$4 x^{2} + 25 y^{2} = 1600$
25458	确定性质	4x^2+3y^2+8x-6y=5	$4 x^{2} + 3 y^{2} + 8 x - 6 y = 5$
25459	确定性质	4x^2+36y^2+16x-216y+196=0	$4 x^{2} + 36 y^{2} + 16 x - 216 y + 196 = 0$
25460	确定性质	4x^2+8y^2=16	$4 x^{2} + 8 y^{2} = 16$
25461	确定性质	4x^2+9y^2-24x+72y+144=0	$4 x^{2} + 9 y^{2} - 24 x + 72 y + 144 = 0$
25462	以标准式表示	(2-3i)(2+i)	$(2 - 3 i) (2 + i)$
25463	确定性质	9x^2+4y^2-90x+8y+228=0	$9 x^{2} + 4 y^{2} - 90 x + 8 y + 228 = 0$
25464	确定性质	9x^2+5y^2+36x-40y+71=0	$9 x^{2} + 5 y^{2} + 36 x - 40 y + 71 = 0$
25465	确定性质	9x^2+4y^2-16y-20=0	$9 x^{2} + 4 y^{2} - 16 y - 20 = 0$
25466	确定性质	(y-7)^2=-12(x+1)	${(y - 7)}^{2} = - 12 (x + 1)$
25467	确定性质	(y^2)/32=x	$\frac{y^{2}}{32} = x$
25468	确定性质	-1/24y^2=x	$- \frac{1}{24} y^{2} = x$
25469	确定性质	1/4y^2-y-x+10=0	$\frac{1}{4} y^{2} - y - x + 10 = 0$
25470	确定性质	40x^2=-8y	$40 x^{2} = - 8 y$
25471	确定性质	(4y-9)/7=(32x^2+12)/28	$\frac{4 y - 9}{7} = \frac{32 x^{2} + 12}{28}$
25472	确定性质	-5y^2+6x-20y+16=0	$- 5 y^{2} + 6 x - 20 y + 16 = 0$
25473	确定性质	x^2+10x+25=-8y+24	$x^{2} + 10 x + 25 = - 8 y + 24$
25474	确定性质	x^2+20x+32y-20=0	$x^{2} + 20 x + 32 y - 20 = 0$
25475	确定性质	x^2+4x=y-8	$x^{2} + 4 x = y - 8$
25476	确定性质	x^2+6x-8y-7=0	$x^{2} + 6 x - 8 y - 7 = 0$
25477	确定性质	x^2+10x=8y-1	$x^{2} + 10 x = 8 y - 1$
25478	确定性质	x^2+2x+2y+7=0	$x^{2} + 2 x + 2 y + 7 = 0$
25479	确定性质	x^2+2x+4y+5=0	$x^{2} + 2 x + 4 y + 5 = 0$
25480	确定性质	(y+3)^2=-16(x-5)	${(y + 3)}^{2} = - 16 (x - 5)$
25481	确定性质	(y+4)^2=(8x-56)	${(y + 4)}^{2} = (8 x - 56)$
25482	确定性质	(y+4)^2=12(x-1)	${(y + 4)}^{2} = 12 (x - 1)$
25483	确定性质	(y+4)^2=-12(x-6)	${(y + 4)}^{2} = - 12 (x - 6)$
25484	确定性质	(y+4)^2=12(x-6)	${(y + 4)}^{2} = 12 (x - 6)$
25485	确定性质	(x-4)^2=4(y-2)	${(x - 4)}^{2} = 4 (y - 2)$
25486	确定性质	(x-4)^2=-8(y-3)	${(x - 4)}^{2} = - 8 (y - 3)$
25487	确定性质	(x-5)^2=12(y+1)	${(x - 5)}^{2} = 12 (y + 1)$
25488	求出准线	x^2=16y	$x^{2} = 16 y$
25489	确定性质	(x-5)^2=8(y-3)	${(x - 5)}^{2} = 8 (y - 3)$
25490	确定性质	(x-7)^2=8(y-2)	${(x - 7)}^{2} = 8 (y - 2)$
25491	确定性质	(y+5)^2=8(x-4)	${(y + 5)}^{2} = 8 (x - 4)$
25492	确定性质	(y-1)^2=8(x-2)	${(y - 1)}^{2} = 8 (x - 2)$
25493	确定性质	(y-1)^2=12(x-5)	${(y - 1)}^{2} = 12 (x - 5)$
25494	确定性质	(y-1)^2=-4(x-4)	${(y - 1)}^{2} = - 4 (x - 4)$
25495	确定性质	(y-1)^2=-7(x-1)	${(y - 1)}^{2} = - 7 (x - 1)$
25496	确定性质	(y-2)^2=12(x+1)	${(y - 2)}^{2} = 12 (x + 1)$
25497	确定性质	(y-2)^2=20(x-6)	${(y - 2)}^{2} = 20 (x - 6)$
25498	确定性质	(y-2)^2=4(1.5)(x-4.5)	${(y - 2)}^{2} = 4 (1.5) (x - 4.5)$
25499	确定性质	(y-2)^2=4(x+3)	${(y - 2)}^{2} = 4 (x + 3)$
25500	求出准线	x^2=-16y	$x^{2} = - 16 y$