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인기 문제

순위	주제	문제	형식화된 문제
2701	평균 구하기	1420 , 700 , 721 , 623 , 1226 , 722 , 748 , 1446 , 984 , 839 , 544 , 947	$1420$ , $700$ , $721$ , $623$ , $1226$ , $722$ , $748$ , $1446$ , $984$ , $839$ , $544$ , $947$
2702	평균 구하기	144 , 153 , 156 , 164 , 166 , 176	$144$ , $153$ , $156$ , $164$ , $166$ , $176$
2703	평균 구하기	15.2 , 18.8 , 19.3 , 19.7 , 20.2 , 21.8 , 22.1 , 29.4	$15.2$ , $18.8$ , $19.3$ , $19.7$ , $20.2$ , $21.8$ , $22.1$ , $29.4$
2704	평균 구하기	1510 , 1760 , 1650 , 1010 , 1470 , 1560 , 1890 , 1380 , 4000 , 6500	$1510$ , $1760$ , $1650$ , $1010$ , $1470$ , $1560$ , $1890$ , $1380$ , $4000$ , $6500$
2705	평균 구하기	1530 , 1720 , 1670 , 1280 , 1490 , 1620 , 1870 , 1350 , 3100 , 6500	$1530$ , $1720$ , $1670$ , $1280$ , $1490$ , $1620$ , $1870$ , $1350$ , $3100$ , $6500$
2706	평균 구하기	1550 , 1780 , 1640 , 1270 , 1430 , 1580 , 1860 , 1330 , 3500 , 6700	$1550$ , $1780$ , $1640$ , $1270$ , $1430$ , $1580$ , $1860$ , $1330$ , $3500$ , $6700$
2707	평균 구하기	16 , 6 , 27 , 16	$16$ , $6$ , $27$ , $16$
2708	평균 구하기	162 , 99 , 174 , 267 , 103 , 204 , 108 , 197 , 270 , 208 , 143 , 230 , 140 , 148 , 228	$162$ , $99$ , $174$ , $267$ , $103$ , $204$ , $108$ , $197$ , $270$ , $208$ , $143$ , $230$ , $140$ , $148$ , $228$
2709	평균 구하기	1620 , 540 , 180 , 60 , 20	$1620$ , $540$ , $180$ , $60$ , $20$
2710	평균 구하기	17 , 13 , 13 , 22 , 11 , 20	$17$ , $13$ , $13$ , $22$ , $11$ , $20$
2711	평균 구하기	18 , 24 , 30 , 42 , 52	$18$ , $24$ , $30$ , $42$ , $52$
2712	평균 구하기	18 , 54 , 63 , 90 , 135	$18$ , $54$ , $63$ , $90$ , $135$
2713	평균 구하기	196 , 188 , 196 , 185 , 203 , 183 , 183 , 196	$196$ , $188$ , $196$ , $185$ , $203$ , $183$ , $183$ , $196$
2714	평균 구하기	2 , 6 , 18 , 54 , 162 , 486	$2$ , $6$ , $18$ , $54$ , $162$ , $486$
2715	평균 구하기	2.02 , 1.43 , 1.29 , 1.35 , 1.34 , 1.39 , 1.94 , 1.43 , 2.03 , 1.81 , 1.83 , 1.82 , 1.57 , 2.08 , 1.93 , 1.32	$2.02$ , $1.43$ , $1.29$ , $1.35$ , $1.34$ , $1.39$ , $1.94$ , $1.43$ , $2.03$ , $1.81$ , $1.83$ , $1.82$ , $1.57$ , $2.08$ , $1.93$ , $1.32$
2716	평균 구하기	20 , 22 , 23 , 24 , 25 , 25 , 29 , 30 , 32 , 41 , 48	$20$ , $22$ , $23$ , $24$ , $25$ , $25$ , $29$ , $30$ , $32$ , $41$ , $48$
2717	평균 구하기	21 , 11 , 7 , 23 , 11 , 17 , 17 , 11	$21$ , $11$ , $7$ , $23$ , $11$ , $17$ , $17$ , $11$
2718	평균 구하기	21 , 150(1+(101)(5/6))	$21$ , $150 (1 + (101) (\frac{5}{6}))$
2719	평균 구하기	21 , 17 , 13	$21$ , $17$ , $13$
2720	평균 구하기	210 , 214 , 220 , 220 , 232 , 240 , 244 , 252	$210$ , $214$ , $220$ , $220$ , $232$ , $240$ , $244$ , $252$
2721	평균 구하기	22 , 17 , 15 , 12 , 10 , 7 , 4 , 5 , 3 , 2	$22$ , $17$ , $15$ , $12$ , $10$ , $7$ , $4$ , $5$ , $3$ , $2$
2722	평균 구하기	23 , 31 , 29 , 25 , 27	$23$ , $31$ , $29$ , $25$ , $27$
2723	평균 구하기	25 , 33 , 41 , 49 , 57 , 65 , 7	$25$ , $33$ , $41$ , $49$ , $57$ , $65$ , $7$
2724	평균 구하기	25 , 50 , 75 , 50 , 50	$25$ , $50$ , $75$ , $50$ , $50$
2725	평균 구하기	26 , 18 , 24 , 20 , 22	$26$ , $18$ , $24$ , $20$ , $22$
2726	평균 구하기	263 , (0(0.045/12))/(1-(0.045/12)^(-12*30))	$263$ , $\frac{0 (\frac{0.045}{12})}{1 - {(\frac{0.045}{12})}^{- 12 \cdot 30}}$
2727	평균 구하기	268 , 1258 , 900.654	$268$ , $1258$ , $900.654$
2728	평균 구하기	27 , -45 , 75	$27$ , $- 45$ , $75$
2729	평균 구하기	28000 , 26000 , 32000 , 30000 , 30000 , 79000 , 25000 , 27000 , 90000 , 29000	$28000$ , $26000$ , $32000$ , $30000$ , $30000$ , $79000$ , $25000$ , $27000$ , $90000$ , $29000$
2730	평균 구하기	-3 , 1 , 3	$- 3$ , $1$ , $3$
2731	평균 구하기	3 , 12 , 27 , 30 , 48	$3$ , $12$ , $27$ , $30$ , $48$
2732	평균 구하기	3 , 5 , 9 , 12 , 11	$3$ , $5$ , $9$ , $12$ , $11$
2733	평균 구하기	3 , 6 , 7 , 14	$3$ , $6$ , $7$ , $14$
2734	평균 구하기	30 , 0 , 23 , 500 , 33 , 120 , 29 , 210 , 24 , 400 , 27 , 550 , 27 , 100 , 32 , 480	$30$ , $0$ , $23$ , $500$ , $33$ , $120$ , $29$ , $210$ , $24$ , $400$ , $27$ , $550$ , $27$ , $100$ , $32$ , $480$
2735	평균 구하기	31 , 60 , 12 , 26 , 3 , 48	$31$ , $60$ , $12$ , $26$ , $3$ , $48$
2736	평균 구하기	32 , 26 , 27 , 30 , 30	$32$ , $26$ , $27$ , $30$ , $30$
2737	평균 구하기	32.1 , 14.2 , 336 , 48.57 , 58.2 , 68.4	$32.1$ , $14.2$ , $336$ , $48.57$ , $58.2$ , $68.4$
2738	평균 구하기	33 , 19 , 15 , 38 , 24 , 59 , 34 , 22 , 27 , 44 , 11 , 29 , 17 , 28 , 13 , 39 , 36 , 48 , 29 , 46	$33$ , $19$ , $15$ , $38$ , $24$ , $59$ , $34$ , $22$ , $27$ , $44$ , $11$ , $29$ , $17$ , $28$ , $13$ , $39$ , $36$ , $48$ , $29$ , $46$
2739	평균 구하기	35 , 49 , 55 , 57 , 60 , 61 , 61 , 67 , 69 , 77 , 82 , 88 , 94 , 98	$35$ , $49$ , $55$ , $57$ , $60$ , $61$ , $61$ , $67$ , $69$ , $77$ , $82$ , $88$ , $94$ , $98$
2740	평균 구하기	35 , 600(0.0625)(103/360)	$35$ , $600 (0.0625) (\frac{103}{360})$
2741	평균 구하기	36 , 41 , 49	$36$ , $41$ , $49$
2742	평균 구하기	36 , 44 , 47 , 49 , 56 , 57 , 60	$36$ , $44$ , $47$ , $49$ , $56$ , $57$ , $60$
2743	평균 구하기	4 , 20 , 20 , 23	$4$ , $20$ , $20$ , $23$
2744	평균 구하기	4 , 5 , 6 , 7 , 8 , 9 , 9 , 10 , 12 , 12 , 14 , 16 , 17 , 17 , 19	$4$ , $5$ , $6$ , $7$ , $8$ , $9$ , $9$ , $10$ , $12$ , $12$ , $14$ , $16$ , $17$ , $17$ , $19$
2745	평균 구하기	4 , 6 , 8 , 3 , 9 , 11 , 4 , 7 , 5	$4$ , $6$ , $8$ , $3$ , $9$ , $11$ , $4$ , $7$ , $5$
2746	평균 구하기	42 , 41 , 36 , 32 , 41 , 33 , 31 , 31 , 74 , 33 , 49 , 38 , 61 , 21 , 41 , 26 , 80 , 42 , 29 , 33 , 36 , 45 , 49 , 39 , 34 , 26 , 25 , 33 , 35 , 28 , 30 , 29 , 61 , 32 , 33 , 45	$42$ , $41$ , $36$ , $32$ , $41$ , $33$ , $31$ , $31$ , $74$ , $33$ , $49$ , $38$ , $61$ , $21$ , $41$ , $26$ , $80$ , $42$ , $29$ , $33$ , $36$ , $45$ , $49$ , $39$ , $34$ , $26$ , $25$ , $33$ , $35$ , $28$ , $30$ , $29$ , $61$ , $32$ , $33$ , $45$
2747	평균 구하기	43 , 60 , 56 , 35 , 48 , 47	$43$ , $60$ , $56$ , $35$ , $48$ , $47$
2748	평균 구하기	43 , 48 , 44 , 45 , 47 , 45 , 42 , 46	$43$ , $48$ , $44$ , $45$ , $47$ , $45$ , $42$ , $46$
2749	평균 구하기	44 , 43 , 44 , 46 , 48 , 46 , 49 , 48	$44$ , $43$ , $44$ , $46$ , $48$ , $46$ , $49$ , $48$
2750	평균 구하기	44 , 56 , 57 , 43	$44$ , $56$ , $57$ , $43$
2751	평균 구하기	45 , 30 , 15 , 0	$45$ , $30$ , $15$ , $0$
2752	평균 구하기	45 , 66 , 82 , 94 , 82 , 76	$45$ , $66$ , $82$ , $94$ , $82$ , $76$
2753	평균 구하기	12 , 10 , 9 , 14 , 9 , 20 , 7 , 17 , 11 , 24	$12$ , $10$ , $9$ , $14$ , $9$ , $20$ , $7$ , $17$ , $11$ , $24$
2754	평균 구하기	1400 , 1000 , 1800	$1400$ , $1000$ , $1800$
2755	평균 구하기	17 , 12	$17$ , $12$
2756	평균 구하기	19 , 20 , 16 , 18 , 20 , 17 , 19	$19$ , $20$ , $16$ , $18$ , $20$ , $17$ , $19$
2757	평균 구하기	2 , 9 , 5 , -1 , 2 , 5 의 제곱근	$2$ , $\sqrt{9}$ , $5$ , $- 1$ , $2$ , $5$
2758	평균 구하기	29 , 25 , 31 , 23 , 27	$29$ , $25$ , $31$ , $23$ , $27$
2759	평균 구하기	2i , -5 , -6i , 7	$2 i$ , $- 5$ , $- 6 i$ , $7$
2760	평균 구하기	30 , 60 , 60 , 60 , 60 , 60 , 60 , 60 , 60 , 70 , 100 , 100 , 100 , 100	$30$ , $60$ , $60$ , $60$ , $60$ , $60$ , $60$ , $60$ , $60$ , $70$ , $100$ , $100$ , $100$ , $100$
2761	평균 구하기	45 , 48 , 46 , 47 , 45 , 48 , 46 , 49 , 46 , 47	$45$ , $48$ , $46$ , $47$ , $45$ , $48$ , $46$ , $49$ , $46$ , $47$
2762	평균 구하기	51271 , 50938 , 53380 , 51271 , 54045 , 51327 , 50556 , 50526+52410	$51271$ , $50938$ , $53380$ , $51271$ , $54045$ , $51327$ , $50556$ , $50526 + 52410$
2763	평균 구하기	70 , 64	$70$ , $64$
2764	평균 구하기	8 , -16 , 32 , -64 , 128	$8$ , $- 16$ , $32$ , $- 64$ , $128$
2765	평균 구하기	81 , 76 , 83 , 76 , 79	$81$ , $76$ , $83$ , $76$ , $79$
2766	치환	[[62500,250,1,27],[160000,400,1,38],[675684,822,1,52]]	$[\begin{array}{c} 62500 & 250 & 1 & 27 \\ 160000 & 400 & 1 & 38 \\ 675684 & 822 & 1 & 52 \end{array}]$
2767	치환	[[7,2,1,0],[7,7,0,1]]	$[\begin{array}{c} 7 & 2 & 1 & 0 \\ 7 & 7 & 0 & 1 \end{array}]$
2768	치환	[[7,8,8,7],[8,16,16,8],[16,32,32,16]]	$[\begin{array}{c} 7 & 8 & 8 & 7 \\ 8 & 16 & 16 & 8 \\ 16 & 32 & 32 & 16 \end{array}]$
2769	치환	[[7x1,23x2,7x3,20],[3x1,10x2,5x3,-2],[x1,3x2,-3x*3,1]]	$[\begin{array}{c} 7 x \cdot 1 & 23 x \cdot 2 & 7 x \cdot 3 & 20 \\ 3 x \cdot 1 & 10 x \cdot 2 & 5 x \cdot 3 & - 2 \\ x \cdot 1 & 3 x \cdot 2 & - 3 x \cdot 3 & 1 \end{array}]$
2770	치환	[[8,5,2],[9,3,7],[4,4,2]]	$[\begin{array}{c} 8 & 5 & 2 \\ 9 & 3 & 7 \\ 4 & 4 & 2 \end{array}]$
2771	치환	[[-8,-9,-3],[6,9,0]]	$[\begin{array}{c} - 8 & - 9 & - 3 \\ 6 & 9 & 0 \end{array}]$
2772	치환	[[8x,7y,-3],[3x,-9,12]]	$[\begin{array}{c} 8 x & 7 y & - 3 \\ 3 x & - 9 & 12 \end{array}]$
2773	치환	[[9,3,1],[1,3,2],[9,8,1]]	$[\begin{array}{c} 9 & 3 & 1 \\ 1 & 3 & 2 \\ 9 & 8 & 1 \end{array}]$
2774	치환	[[a-b-c,2a,2a],[2b,b-c-a,2b],[2c,2c,c-a-b]]=(a+b+c)^3	$[\begin{array}{c} a - b - c & 2 a & 2 a \\ 2 b & b - c - a & 2 b \\ 2 c & 2 c & c - a - b \end{array}] = {(a + b + c)}^{3}$
2775	치환	[[x,-3y,2z,-23],[y,0,-2z,13],[0,0,z,3]]	$[\begin{array}{c} x & - 3 y & 2 z & - 23 \\ y & 0 & - 2 z & 13 \\ 0 & 0 & z & 3 \end{array}]$
2776	치환	[[x+2y+3z],[2x+3y+2z],[-1-2y-4z]]	$[\begin{array}{c} x + 2 y + 3 z \\ 2 x + 3 y + 2 z \\ - 1 - 2 y - 4 z \end{array}]$
2777	치환	r2+(-3)r1=[[1,9,-5,-1],[3,9,4,7],[-5,5,9,1]]	$r \cdot 2 + (- 3) r \cdot 1 = [\begin{array}{c} 1 & 9 & - 5 & - 1 \\ 3 & 9 & 4 & 7 \\ - 5 & 5 & 9 & 1 \end{array}]$
2778	치환	x=[[9],[-17]]	$x = [\begin{array}{c} 9 \\ - 17 \end{array}]$
2779	치환	[[0.01,0.34,0.25,0.23],[0.16,0.13,0.03,0.02],[0.12,0.05,0.06,0.01],[0.14,0.08,0.15,0.28]]	$[\begin{array}{c} 0.01 & 0.34 & 0.25 & 0.23 \\ 0.16 & 0.13 & 0.03 & 0.02 \\ 0.12 & 0.05 & 0.06 & 0.01 \\ 0.14 & 0.08 & 0.15 & 0.28 \end{array}]$
2780	치환	[[0.23,0.08,420],[0.34,0.13,800]]	$[\begin{array}{c} 0.23 & 0.08 & 420 \\ 0.34 & 0.13 & 800 \end{array}]$
2781	치환	[[1,0,2],[0,1,3]]	$[\begin{array}{c} 1 & 0 & 2 \\ 0 & 1 & 3 \end{array}]$
2782	고유값 구하기	[[42,22,24],[15,58,91],[12,38,27]]	$[\begin{array}{c} 42 & 22 & 24 \\ 15 & 58 & 91 \\ 12 & 38 & 27 \end{array}]$
2783	고유값 구하기	[[7777777,6,63354,56],[6,55,5,5],[5,5,5,5],[5,5,5,5]]*55	$[\begin{array}{c} 7777777 & 6 & 63354 & 56 \\ 6 & 55 & 5 & 5 \\ 5 & 5 & 5 & 5 \\ 5 & 5 & 5 & 5 \end{array}] \cdot 55$
2784	고유값 구하기	[[8,6],[4,-2]]	$[\begin{array}{c} 8 & 6 \\ 4 & - 2 \end{array}]$
2785	고유값 구하기	[[9,1,0],[3/2,0,-2],[1,2,4]]	$[\begin{array}{c} 9 & 1 & 0 \\ \frac{3}{2} & 0 & - 2 \\ 1 & 2 & 4 \end{array}]$
2786	고유값 구하기	[[x,4],[3,2]]	$[\begin{array}{c} x & 4 \\ 3 & 2 \end{array}]$
2787	고유값 구하기	p=[[0.49,0.51],[0.24,0.76]]	$p = [\begin{array}{c} 0.49 & 0.51 \\ 0.24 & 0.76 \end{array}]$
2788	중앙값 구하기	153 , 139 , 125	$153$ , $139$ , $125$
2789	중앙값 구하기	0.12 , 5/3 , 6 , -5 , 79 , 0 , -5/3 , 5/3	$0.12$ , $\frac{5}{3}$ , $6$ , $- 5$ , $79$ , $0$ , $- \frac{5}{3}$ , $\frac{5}{3}$
2790	중앙값 구하기	0.12 , 3.2 , 6.5 , 9	$0.12$ , $3.2$ , $6.5$ , $9$
2791	중앙값 구하기	0.684 , 0.200 , 0.154 , 0.060 , 0.048 , 0.035	$0.684$ , $0.2$ , $0.154$ , $0.06$ , $0.048$ , $0.035$
2792	중앙값 구하기	1 , 2 , 3 , 4 , 5 , 6	$1$ , $2$ , $3$ , $4$ , $5$ , $6$
2793	중앙값 구하기	1 , 3 , 5 , 7 , 9	$1$ , $3$ , $5$ , $7$ , $9$
2794	중앙값 구하기	-1.12 , 1.38	$- 1.12$ , $1.38$
2795	중앙값 구하기	10 , 26 , 30 , 40 , 50 , 50 , 56 , 74	$10$ , $26$ , $30$ , $40$ , $50$ , $50$ , $56$ , $74$
2796	중앙값 구하기	10 , 12 , 21 , 24 , 29 , 29 , 37 , 38 , 41 , 45 , 45 , 50 , 57 , 65 , 106	$10$ , $12$ , $21$ , $24$ , $29$ , $29$ , $37$ , $38$ , $41$ , $45$ , $45$ , $50$ , $57$ , $65$ , $106$
2797	중앙값 구하기	10 , 14 , 14 , 23 , 38 , 45 , 50 , 60 , 68	$10$ , $14$ , $14$ , $23$ , $38$ , $45$ , $50$ , $60$ , $68$
2798	중앙값 구하기	100 , 114 , 125 , 135 , 150 , 172	$100$ , $114$ , $125$ , $135$ , $150$ , $172$
2799	중앙값 구하기	1041 , 1194 , 1208 , 1225 , 1257 , 1310 , 1257	$1041$ , $1194$ , $1208$ , $1225$ , $1257$ , $1310$ , $1257$
2800	중앙값 구하기	105 , 110 , 125 , 133 , 141 , 159	$105$ , $110$ , $125$ , $133$ , $141$ , $159$