Mathway | 热门问题

热门问题

等级	主题	问题	格式化的问题
2801	求出中值	11 , 10 , 9 , 7 , 10 , 14	$11$ , $10$ , $9$ , $7$ , $10$ , $14$
2802	求出中值	12 , 12 , 13 , 14 , 16 , 16 , 16 , 17 , 28	$12$ , $12$ , $13$ , $14$ , $16$ , $16$ , $16$ , $17$ , $28$
2803	求出中值	12 , 5 , 9 , -5 , 8 , 5 , 10	$12$ , $5$ , $9$ , $- 5$ , $8$ , $5$ , $10$
2804	求出中值	13 , 16 , 10 , 9 , 9 , 12 , 8	$13$ , $16$ , $10$ , $9$ , $9$ , $12$ , $8$
2805	求出中值	14 , 10 , 10 , 10 , 12 , 11 , 12	$14$ , $10$ , $10$ , $10$ , $12$ , $11$ , $12$
2806	求出中值	14 , 9 , 24 , -4 , -6	$14$ , $9$ , $24$ , $- 4$ , $- 6$
2807	求出中值	15.2 , 18.8 , 19.3 , 19.7 , 20.2 , 21.8 , 21.2 , 29.4	$15.2$ , $18.8$ , $19.3$ , $19.7$ , $20.2$ , $21.8$ , $21.2$ , $29.4$
2808	求出中值	150 , 0 , 155 , 0 , 2 , 5000	$150$ , $0$ , $155$ , $0$ , $2$ , $5000$
2809	求出中值	16 , 16 , 16 , 19 , 19 , 19 , 19 , 19 , 19 , 19 , 26 , 26 , 26 , 62 , 26 , 26 , 30 , 30 , 30 , 30 , 35 , 38	$16$ , $16$ , $16$ , $19$ , $19$ , $19$ , $19$ , $19$ , $19$ , $19$ , $26$ , $26$ , $26$ , $62$ , $26$ , $26$ , $30$ , $30$ , $30$ , $30$ , $35$ , $38$
2810	求出中值	17 , 22 , 31 , 43 , 56	$17$ , $22$ , $31$ , $43$ , $56$
2811	求出中值	18 , 27 , 11 , 30 , 17	$18$ , $27$ , $11$ , $30$ , $17$
2812	求出中值	180 , 92 , 106 , 103 , 91	$180$ , $92$ , $106$ , $103$ , $91$
2813	求出中值	19 , 15 , 19 , 14 , 16 , 16 , 16 , 10 , 12 , 23	$19$ , $15$ , $19$ , $14$ , $16$ , $16$ , $16$ , $10$ , $12$ , $23$
2814	求出中值	2 , 2 , 2 , 2 , 2 , 2 , 2 , 6 , 8 , 8 , 8 , 14 , 14 , 35 , 35	$2$ , $2$ , $2$ , $2$ , $2$ , $2$ , $2$ , $6$ , $8$ , $8$ , $8$ , $14$ , $14$ , $35$ , $35$
2815	求出中值	2 , 7 , 12 , 12 , 28 , 29 , 32 , 38 , 39 , 41 , 45 , 48 , 52 , 62 , 72 , 73 , 74 , 76 , 80 , 81 , 83 , 85 , 86 , 86 , 90 , 94 , 97 , 101 , 102 , 112 , 118 , 126 , 133 , 144 , 149 , 152	$2$ , $7$ , $12$ , $12$ , $28$ , $29$ , $32$ , $38$ , $39$ , $41$ , $45$ , $48$ , $52$ , $62$ , $72$ , $73$ , $74$ , $76$ , $80$ , $81$ , $83$ , $85$ , $86$ , $86$ , $90$ , $94$ , $97$ , $101$ , $102$ , $112$ , $118$ , $126$ , $133$ , $144$ , $149$ , $152$
2816	求出中值	2.6 , 1.5 , 6.8 , 8.7 , 5.3 , 8.8 , 2.1 , 2.9 , 4.9 , 8.1 , 8.5	$2.6$ , $1.5$ , $6.8$ , $8.7$ , $5.3$ , $8.8$ , $2.1$ , $2.9$ , $4.9$ , $8.1$ , $8.5$
2817	求出中值	202 , 508 , 250 , 31 , 342 , 94	$202$ , $508$ , $250$ , $31$ , $342$ , $94$
2818	求出中值	23 , 49 , 17 , 20 , 32 , 19	$23$ , $49$ , $17$ , $20$ , $32$ , $19$
2819	求出中值	24 , 90	$24$ , $90$
2820	求出中值	26 , 32 , 42 , 43 , 49	$26$ , $32$ , $42$ , $43$ , $49$
2821	求出中值	27 , 30 , 29 , 31 , 31 , 88 , 25 , 26 , 64 , 32	$27$ , $30$ , $29$ , $31$ , $31$ , $88$ , $25$ , $26$ , $64$ , $32$
2822	求出中值	270 , 274 , 280 , 280 , 292 , 300 , 304 , 312	$270$ , $274$ , $280$ , $280$ , $292$ , $300$ , $304$ , $312$
2823	求出中值	29 , 25 , 31 , 23 , 27	$29$ , $25$ , $31$ , $23$ , $27$
2824	求出中值	3 , 10 , 24 , 52	$3$ , $10$ , $24$ , $52$
2825	求出中值	3 , 5+i , 5-i , 2	$3$ , $5 + i$ , $5 - i$ , $2$
2826	求出中值	3.3 , 9.3 , 27.3 , 28.8 , 29.8 , 32.6 , 47.7 , 59.7	$3.3$ , $9.3$ , $27.3$ , $28.8$ , $29.8$ , $32.6$ , $47.7$ , $59.7$
2827	求出中值	37 , 21 , 24 , 28 , 16 , 29 , 33 , 35 , 41 , 28 , 34 , 29 , 22 , 19 , 28 , 20 , 25 , 31 , 22 , 21	$37$ , $21$ , $24$ , $28$ , $16$ , $29$ , $33$ , $35$ , $41$ , $28$ , $34$ , $29$ , $22$ , $19$ , $28$ , $20$ , $25$ , $31$ , $22$ , $21$
2828	求出中值	4 , 6 , 8 , 3 , 9 , 11 , 4 , 7 , 5	$4$ , $6$ , $8$ , $3$ , $9$ , $11$ , $4$ , $7$ , $5$
2829	求出中值	40 , 72 , 72 , 79 , 80 , 81	$40$ , $72$ , $72$ , $79$ , $80$ , $81$
2830	求出中值	41 , 58 , 54 , 33 , 38 , 45	$41$ , $58$ , $54$ , $33$ , $38$ , $45$
2831	求出中值	43 , 51 , 11 , 91 , 76 , 36 , 64 , 37 , 42 , 72 , 53 , 62 , 36 , 74 , 51 , 72 , 37 , 28 , 38 , 61 , 48 , 63 , 36 , 41 , 22 , 37 , 51 , 46 , 85 , 13	$43$ , $51$ , $11$ , $91$ , $76$ , $36$ , $64$ , $37$ , $42$ , $72$ , $53$ , $62$ , $36$ , $74$ , $51$ , $72$ , $37$ , $28$ , $38$ , $61$ , $48$ , $63$ , $36$ , $41$ , $22$ , $37$ , $51$ , $46$ , $85$ , $13$
2832	求出中值	5 , 520	$5$ , $520$
2833	求出中值	5.15 , 5.09 , 5.26 , 5.20 , 4.78 , 5.23 , 5.28 , 5.26 , 5.13 , 5.26 , 5.22 , 5.24	$5.15$ , $5.09$ , $5.26$ , $5.2$ , $4.78$ , $5.23$ , $5.28$ , $5.26$ , $5.13$ , $5.26$ , $5.22$ , $5.24$
2834	求出中值	5.2 , 5.3	$5.2$ , $5.3$
2835	求出中值	5.6 , 10.8 , 18.2 , 32.7 , 12.8 , 8.7 , 10.8 , 16.7	$5.6$ , $10.8$ , $18.2$ , $32.7$ , $12.8$ , $8.7$ , $10.8$ , $16.7$
2836	求出中值	50 , 50 , 150 , 200 , 300	$50$ , $50$ , $150$ , $200$ , $300$
2837	求出中值	50 , 50 , 150 , 200 , 550	$50$ , $50$ , $150$ , $200$ , $550$
2838	求出中值	55 , 60 , 72 , 75 , 78 , 81 , 83 , 84 , 85 , 86 , 90 , 91 , 92 , 93 , 94 , 95 , 97 , 98 , 100 , 100	$55$ , $60$ , $72$ , $75$ , $78$ , $81$ , $83$ , $84$ , $85$ , $86$ , $90$ , $91$ , $92$ , $93$ , $94$ , $95$ , $97$ , $98$ , $100$ , $100$
2839	求出中值	6 , 5 , 7 , 9 , 8 , 7	$6$ , $5$ , $7$ , $9$ , $8$ , $7$
2840	求出中值	6.02 , 6.05 , 6.13 , 6.01 , 6.14 , 6.21 , 6.35 , 6.99 , 6.01 , 81.83	$6.02$ , $6.05$ , $6.13$ , $6.01$ , $6.14$ , $6.21$ , $6.35$ , $6.99$ , $6.01$ , $81.83$
2841	求出中值	630 , 699 , 759 , 762 , 770 , 815 , 822	$630$ , $699$ , $759$ , $762$ , $770$ , $815$ , $822$
2842	求出中值	630 , 699 , 759 , 770 , 815 , 822 , 1035	$630$ , $699$ , $759$ , $770$ , $815$ , $822$ , $1035$
2843	求出中值	65 , 87 , 90 , 92 , 92 , 93 , 94 , 95 , 95 , 96 , 98	$65$ , $87$ , $90$ , $92$ , $92$ , $93$ , $94$ , $95$ , $95$ , $96$ , $98$
2844	求出中值	72 , 87 , 22 , 18	$72$ , $87$ , $22$ , $18$
2845	求出中值	75 , 62 , 30 , 41 , 12 , 23 , 82 , 54 , 62	$75$ , $62$ , $30$ , $41$ , $12$ , $23$ , $82$ , $54$ , $62$
2846	求出中值	750 , 3400 , 1962 , 700 , 203 , 1479 , 5905 , 9239 , 1131 , 2516	$750$ , $3400$ , $1962$ , $700$ , $203$ , $1479$ , $5905$ , $9239$ , $1131$ , $2516$
2847	求出中值	8 , -16 , 32 , -64 , 128	$8$ , $- 16$ , $32$ , $- 64$ , $128$
2848	求出中值	8 , 8 , 8 , 10 , 9 , 8 , 7 , 9 , 10	$8$ , $8$ , $8$ , $10$ , $9$ , $8$ , $7$ , $9$ , $10$
2849	求出中值	-9 , -27 , -81 an	$- 9$ , $- 27$ , $- 81$ an
2850	求出中值	98 , 89 , 100 , 73 , 62 , 88 , 95 , 72 , 81 , 1000 , 83 , 95 , 92 , 85 , 70	$98$ , $89$ , $100$ , $73$ , $62$ , $88$ , $95$ , $72$ , $81$ , $1000$ , $83$ , $95$ , $92$ , $85$ , $70$
2851	求出概率数	45 排列 2	${}_{45}P_{2}$
2852	求出概率数	20 排列 7	${}_{20}P_{7}$
2853	求出概率数	17 排列 4	${}_{17}P_{4}$
2854	求平均值	1/3 , -3	$\frac{1}{3}$ , $- 3$
2855	求平均值	0.0092 , 0.1714 , 0.2794 , 0.5399	$0.0092$ , $0.1714$ , $0.2794$ , $0.5399$
2856	求出特征值	[[0.1,0.9],[0.4,0.6]]	$[\begin{array}{c} 0.1 & 0.9 \\ 0.4 & 0.6 \end{array}]$
2857	求出特征值	[[0,0.1,0.9],[0.6,0,0.4],[0.9,0.1,0]]	$[\begin{array}{c} 0 & 0.1 & 0.9 \\ 0.6 & 0 & 0.4 \\ 0.9 & 0.1 & 0 \end{array}]$
2858	求出特征值	[[0.8,0.1],[0.2,0.9]]	$[\begin{array}{c} 0.8 & 0.1 \\ 0.2 & 0.9 \end{array}]$
2859	求出特征值	[[1,0],[-2,3]]	$[\begin{array}{c} 1 & 0 \\ - 2 & 3 \end{array}]$
2860	求出特征值	[[1,1],[2,-1]]	$[\begin{array}{c} 1 & 1 \\ 2 & - 1 \end{array}]$
2861	求出特征值	[[1,2,-1,-2],[0,0,0,0],[1,-1,2,5],[-1,1,-1,2]]	$[\begin{array}{c} 1 & 2 & - 1 & - 2 \\ 0 & 0 & 0 & 0 \\ 1 & - 1 & 2 & 5 \\ - 1 & 1 & - 1 & 2 \end{array}]$
2862	求出特征值	[[1,2],[4,2]]	$[\begin{array}{c} 1 & 2 \\ 4 & 2 \end{array}]$
2863	求出特征值	[[14,45,5],[1,43,6],[2,8,9]]	$[\begin{array}{c} 14 & 45 & 5 \\ 1 & 43 & 6 \\ 2 & 8 & 9 \end{array}]$
2864	求出特征值	[[2,-7],[-7,2]]	$[\begin{array}{c} 2 & - 7 \\ - 7 & 2 \end{array}]$
2865	求出特征值	[[28,4,36],[27,-3,21],[-26,10,-6]]	$[\begin{array}{c} 28 & 4 & 36 \\ 27 & - 3 & 21 \\ - 26 & 10 & - 6 \end{array}]$
2866	转置	[[1,-2,0,0],[1,1,1,310],[350000,70000,60000,15000000]]	$[\begin{array}{c} 1 & - 2 & 0 & 0 \\ 1 & 1 & 1 & 310 \\ 350000 & 70000 & 60000 & 15000000 \end{array}]$
2867	转置	[[1,-2,1,5],[2,-5,6,11],[2,-3,-2,9]]	$[\begin{array}{c} 1 & - 2 & 1 & 5 \\ 2 & - 5 & 6 & 11 \\ 2 & - 3 & - 2 & 9 \end{array}]$
2868	转置	[[1,-2,1],[0,0,0]]	$[\begin{array}{c} 1 & - 2 & 1 \\ 0 & 0 & 0 \end{array}]$
2869	转置	[[1,2,3],[6,8,4],[7,3,2]]	$[\begin{array}{c} 1 & 2 & 3 \\ 6 & 8 & 4 \\ 7 & 3 & 2 \end{array}]$
2870	转置	[[1,-3,2],[4,-6,-8]](-1/2)R^2+R	$[\begin{array}{c} 1 & - 3 & 2 \\ 4 & - 6 & - 8 \end{array}] (- \frac{1}{2}) R^{2} + R$
2871	转置	[[2,-1,3],[5,-4,-3]]	$[\begin{array}{c} 2 & - 1 & 3 \\ 5 & - 4 & - 3 \end{array}]$
2872	转置	[[2,3,0],[3,4,4]]	$[\begin{array}{c} 2 & 3 & 0 \\ 3 & 4 & 4 \end{array}]$
2873	转置	[[2,-3,3,5,6],[1,-2,2,5,3],[1,1,0,2,-1]]	$[\begin{array}{c} 2 & - 3 & 3 & 5 & 6 \\ 1 & - 2 & 2 & 5 & 3 \\ 1 & 1 & 0 & 2 & - 1 \end{array}]$
2874	转置	[[2,-3,4,-23],[1,2,-4,-4],[3,-1,2,23]]	$[\begin{array}{c} 2 & - 3 & 4 & - 23 \\ 1 & 2 & - 4 & - 4 \\ 3 & - 1 & 2 & 23 \end{array}]$
2875	转置	[[20,20,60,220],[20,15,20,125]]	$[\begin{array}{c} 20 & 20 & 60 & 220 \\ 20 & 15 & 20 & 125 \end{array}]$
2876	转置	[[3,6],[1,2]]	$[\begin{array}{c} 3 & 6 \\ 1 & 2 \end{array}]$
2877	转置	[[3,7,9,0],[1,2,3,2],[1,4,1,2]]	$[\begin{array}{c} 3 & 7 & 9 & 0 \\ 1 & 2 & 3 & 2 \\ 1 & 4 & 1 & 2 \end{array}]$
2878	转置	[[4,54],[4,3]]	$[\begin{array}{c} 4 & 54 \\ 4 & 3 \end{array}]$
2879	转置	[[4,9,-49,37],[3,2,-13,4],[1,1,-6,3]]	$[\begin{array}{c} 4 & 9 & - 49 & 37 \\ 3 & 2 & - 13 & 4 \\ 1 & 1 & - 6 & 3 \end{array}]$
2880	转置	[[-5,3],[3,6]]	$[\begin{array}{c} - 5 & 3 \\ 3 & 6 \end{array}]$
2881	转置	[[5,7,8,9],[4,5,8,6],[34,5,4,3],[2,3,4,3]]	$[\begin{array}{c} 5 & 7 & 8 & 9 \\ 4 & 5 & 8 & 6 \\ 34 & 5 & 4 & 3 \\ 2 & 3 & 4 & 3 \end{array}]$
2882	转置	[[50,30,1,0,0,480],[0.9,1.5,0,1,0,190],[-1.2,-4,0,0,1,0]]	$[\begin{array}{c} 50 & 30 & 1 & 0 & 0 & 480 \\ 0.9 & 1.5 & 0 & 1 & 0 & 190 \\ - 1.2 & - 4 & 0 & 0 & 1 & 0 \end{array}]$
2883	转置	[[7,77,777,7777],[77777,777777,7777777,77777777],[777777777,7777777777,77777777777,777777777777],[7777777777777,77777777777777,777777777777777,777777777777777]]	$[\begin{array}{c} 7 & 77 & 777 & 7777 \\ 77777 & 777777 & 7777777 & 77777777 \\ 777777777 & 7777777777 & 77777777777 & 777777777777 \\ 7777777777777 & 77777777777777 & 777777777777777 & 777777777777777 \end{array}]$
2884	转置	[[8,5,2],[5,-9,2],[3,2,-7]]	$[\begin{array}{c} 8 & 5 & 2 \\ 5 & - 9 & 2 \\ 3 & 2 & - 7 \end{array}]$
2885	转置	[[x,y,-z=2],[-x,4y,16z=20],[-5x,3y,-z=16]]	$[\begin{array}{c} x & y & - z = 2 \\ - x & 4 y & 16 z = 20 \\ - 5 x & 3 y & - z = 16 \end{array}]$
2886	转置	[[x+2y=5],[2x-3y=3]]	$[\begin{array}{c} x + 2 y = 5 \\ 2 x - 3 y = 3 \end{array}]$
2887	求出特征值	4a=[[-4,5],[0,6]]	$4 a = [\begin{array}{c} - 4 & 5 \\ 0 & 6 \end{array}]$
2888	求出特征值	-5[[2,3,1],[-1,0,1],[6,8,1]]	$- 5 [\begin{array}{c} 2 & 3 & 1 \\ - 1 & 0 & 1 \\ 6 & 8 & 1 \end{array}]$
2889	转置	[[3,-2,9],[8,-7,9]]	$[\begin{array}{c} 3 & - 2 & 9 \\ 8 & - 7 & 9 \end{array}]$
2890	转置	[[3,3,5,-2],[5,0,7,4],[3,6,0,2]]	$[\begin{array}{c} 3 & 3 & 5 & - 2 \\ 5 & 0 & 7 & 4 \\ 3 & 6 & 0 & 2 \end{array}]$
2891	转置	[[3,4,2,32],[3,-3,3,-20],[1,11,-72,84]]	$[\begin{array}{c} 3 & 4 & 2 & 32 \\ 3 & - 3 & 3 & - 20 \\ 1 & 11 & - 72 & 84 \end{array}]$
2892	转置	[[3,5,-1,2],[4,7,1,5]]	$[\begin{array}{c} 3 & 5 & - 1 & 2 \\ 4 & 7 & 1 & 5 \end{array}]$
2893	转置	[[4,-8,-9],[4,4,-8],[6,-9,-6],[-1,9,-6]]	$[\begin{array}{c} 4 & - 8 & - 9 \\ 4 & 4 & - 8 \\ 6 & - 9 & - 6 \\ - 1 & 9 & - 6 \end{array}]$
2894	转置	[[400,1200,800],[110,570,340],[90,30,60]]	$[\begin{array}{c} 400 & 1200 & 800 \\ 110 & 570 & 340 \\ 90 & 30 & 60 \end{array}]$
2895	转置	[[5,5,25],[5,1,28],[6,1,0]]	$[\begin{array}{c} 5 & 5 & 25 \\ 5 & 1 & 28 \\ 6 & 1 & 0 \end{array}]$
2896	转置	[[5,6,2],[4,2,2],[4,2,1]]	$[\begin{array}{c} 5 & 6 & 2 \\ 4 & 2 & 2 \\ 4 & 2 & 1 \end{array}]$
2897	转置	[[5,9,5],[30,54,30]]	$[\begin{array}{c} 5 & 9 & 5 \\ 30 & 54 & 30 \end{array}]$
2898	转置	[[10,2,12],[1,7,-8]]*2	$[\begin{array}{c} 10 & 2 & 12 \\ 1 & 7 & - 8 \end{array}] \cdot 2$
2899	转置	[[-2,1],[3,-2]]	$[\begin{array}{c} - 2 & 1 \\ 3 & - 2 \end{array}]$
2900	转置	[[2,1],[5,3]]	$[\begin{array}{c} 2 & 1 \\ 5 & 3 \end{array}]$