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인기 문제

순위	주제	문제	형식화된 문제
2401	벡터 등식으로 쓰기	5x-2y=12 , x=-y+1	$5 x - 2 y = 12$ , $x = - y + 1$
2402	벡터 등식으로 쓰기	-4x-3x=-8 , 2x-2y=-3	$- 4 x - 3 x = - 8$ , $2 x - 2 y = - 3$
2403	벡터 등식으로 쓰기	4x-5y=3 , 8x+15y=-24	$4 x - 5 y = 3$ , $8 x + 15 y = - 24$
2404	벡터 등식으로 쓰기	4x+10y-12z=5 , -5x^6y=11	$4 x + 10 y - 12 z = 5$ , $- 5 x^{6} y = 11$
2405	벡터 등식으로 쓰기	3y=9x+6 , 3x-y=-2	$3 y = 9 x + 6$ , $3 x - y = - 2$
2406	벡터 등식으로 쓰기	4a-b-3c=27 , -4a-4b-2c=32 , 4a+9b+7c=37	$4 a - b - 3 c = 27$ , $- 4 a - 4 b - 2 c = 32$ , $4 a + 9 b + 7 c = 37$
2407	벡터 등식으로 쓰기	m+3n=7 , n=-2	$m + 3 n = 7$ , $n = - 2$
2408	벡터 등식으로 쓰기	a+0+2d-g=1 , 0+2b+6d+2g=-2 , 2a+0+4d-2g=2 , a+b+5d+0=0	$a + 0 + 2 d - g = 1$ , $0 + 2 b + 6 d + 2 g = - 2$ , $2 a + 0 + 4 d - 2 g = 2$ , $a + b + 5 d + 0 = 0$
2409	벡터 등식으로 쓰기	a+2b=1 , 2a+d=2 , 3a+2b+d-g=4	$a + 2 b = 1$ , $2 a + d = 2$ , $3 a + 2 b + d - g = 4$
2410	벡터 등식으로 쓰기	a-d=5 , 2a+2b+2d=8 , b+4d=-6	$a - d = 5$ , $2 a + 2 b + 2 d = 8$ , $b + 4 d = - 6$
2411	벡터 등식으로 쓰기	x-y^2=0 , (x+3)^2+y^2=53	$x - y^{2} = 0$ , ${(x + 3)}^{2} + y^{2} = 53$
2412	벡터 등식으로 쓰기	x+2y+3z=90 , 3y+4z=36	$x + 2 y + 3 z = 90$ , $3 y + 4 z = 36$
2413	벡터 등식으로 쓰기	x+2y+4z=4 , x+y+z=0 , -x-2y+3z=3	$x + 2 y + 4 z = 4$ , $x + y + z = 0$ , $- x - 2 y + 3 z = 3$
2414	벡터 등식으로 쓰기	x+2y=1 , 4x+5y=13	$x + 2 y = 1$ , $4 x + 5 y = 13$
2415	벡터 등식으로 쓰기	x+2y=4 , 2y=-x+4	$x + 2 y = 4$ , $2 y = - x + 4$
2416	벡터 등식으로 쓰기	x+2y=4 , 3x-4y=7	$x + 2 y = 4$ , $3 x - 4 y = 7$
2417	벡터 등식으로 쓰기	x+2y=4 , 4x+5y=13	$x + 2 y = 4$ , $4 x + 5 y = 13$
2418	벡터 등식으로 쓰기	x+2y=6 , -x-2y=-6	$x + 2 y = 6$ , $- x - 2 y = - 6$
2419	벡터 등식으로 쓰기	x+2y-z=2 , 2x-2y+z=-1 , 6x+4y+3z=5	$x + 2 y - z = 2$ , $2 x - 2 y + z = - 1$ , $6 x + 4 y + 3 z = 5$
2420	벡터 등식으로 쓰기	x+3y=2 , x-y=6	$x + 3 y = 2$ , $x - y = 6$
2421	벡터 등식으로 쓰기	x+3y=5 , 2x-y=3	$x + 3 y = 5$ , $2 x - y = 3$
2422	벡터 등식으로 쓰기	x+3y-6z=7 , 2x-y+2z=0	$x + 3 y - 6 z = 7$ , $2 x - y + 2 z = 0$
2423	벡터 등식으로 쓰기	-x+4y-3z=2 , -4x-y+3z=-4 , -2x-y-3z=-4	$- x + 4 y - 3 z = 2$ , $- 4 x - y + 3 z = - 4$ , $- 2 x - y - 3 z = - 4$
2424	벡터 등식으로 쓰기	x+5y-z=10 , -x+7y-z=18 , 5x-4y-2z=-14	$x + 5 y - z = 10$ , $- x + 7 y - z = 18$ , $5 x - 4 y - 2 z = - 14$
2425	벡터 등식으로 쓰기	x+5z=0 , y+2z=0 , w=0	$x + 5 z = 0$ , $y + 2 z = 0$ , $w = 0$
2426	벡터 등식으로 쓰기	x+y+2z=-1 , x+3y-6z=5 , 2x+5y-8z=7	$x + y + 2 z = - 1$ , $x + 3 y - 6 z = 5$ , $2 x + 5 y - 8 z = 7$
2427	벡터 등식으로 쓰기	x+y+5z=-6 , 3x+3y-z=10 , x+3y+2z=5	$x + y + 5 z = - 6$ , $3 x + 3 y - z = 10$ , $x + 3 y + 2 z = 5$
2428	벡터 등식으로 쓰기	x+y+z=13 , x-2y-z=5 , 2x-y-2z=4	$x + y + z = 13$ , $x - 2 y - z = 5$ , $2 x - y - 2 z = 4$
2429	벡터 등식으로 쓰기	-x+y+z=-2 , -x+5y-15z=-26 , 6x-4y-14z=0	$- x + y + z = - 2$ , $- x + 5 y - 15 z = - 26$ , $6 x - 4 y - 14 z = 0$
2430	벡터 등식으로 쓰기	x+y+z=4 , 2x-3y+z=1 , 2x+y-z=1	$x + y + z = 4$ , $2 x - 3 y + z = 1$ , $2 x + y - z = 1$
2431	벡터 등식으로 쓰기	x+y=12 , x-y=0	$x + y = 12$ , $x - y = 0$
2432	벡터 등식으로 쓰기	x+y=13 , 4x+y=31	$x + y = 13$ , $4 x + y = 31$
2433	벡터 등식으로 쓰기	x+y=2 , y-2z=3 , x-2=0	$x + y = 2$ , $y - 2 z = 3$ , $x - 2 = 0$
2434	벡터 등식으로 쓰기	x+y=30000 , 0.12x+0.15y=4140	$x + y = 30000$ , $0.12 x + 0.15 y = 4140$
2435	벡터 등식으로 쓰기	x+y=4 , x-y=6	$x + y = 4$ , $x - y = 6$
2436	벡터 등식으로 쓰기	x+y=5 , x=8	$x + y = 5$ , $x = 8$
2437	벡터 등식으로 쓰기	x+y-2z=9c , x+2y-3z=3 , -1x+4z=-6	$x + y - 2 z = 9 c$ , $x + 2 y - 3 z = 3$ , $- 1 x + 4 z = - 6$
2438	행렬 간단히 하기	1/( 30)*[[1],[2],[5],[0]] 의 제곱근	$\frac{1}{\sqrt{30}} \cdot [\begin{array}{c} 1 \\ 2 \\ 5 \\ 0 \end{array}]$
2439	행렬 간단히 하기	2A+4B[[3,9],[8,9]][[9,4],[4,0]]	$2 A + 4 B [\begin{array}{c} 3 & 9 \\ 8 & 9 \end{array}] [\begin{array}{c} 9 & 4 \\ 4 & 0 \end{array}]$
2440	행렬 간단히 하기	[[0.70,0.05,0.10],[0.20,0.70,0.15],[0.10,0.25,0.75]][[20565.9],[34751.4],[44652.6]]	$[\begin{array}{c} 0.7 & 0.05 & 0.1 \\ 0.2 & 0.7 & 0.15 \\ 0.1 & 0.25 & 0.75 \end{array}] [\begin{array}{c} 20565.9 \\ 34751.4 \\ 44652.6 \end{array}]$
2441	행렬 간단히 하기	[[0.77,0.23],[0.32,0.68]]*[[0.77,0.23],[0.32,0.68]]	$[\begin{array}{c} 0.77 & 0.23 \\ 0.32 & 0.68 \end{array}] \cdot [\begin{array}{c} 0.77 & 0.23 \\ 0.32 & 0.68 \end{array}]$
2442	행렬 간단히 하기	[[(2-y)/6,0.0,x/6]][[3.2,0.8,0.0],[0.8,3.2,0.0],[0.0,0.0,1.2]][[(2-y)/6,0.0,x/6]]	$[\begin{array}{c} \frac{2 - y}{6} & 0 & \frac{x}{6} \end{array}] [\begin{array}{c} 3.2 & 0.8 & 0 \\ 0.8 & 3.2 & 0 \\ 0 & 0 & 1.2 \end{array}] [\begin{array}{c} \frac{2 - y}{6} & 0 & \frac{x}{6} \end{array}]$
2443	행렬 간단히 하기	[[3/11,-4/11],[-5/11,3/11]][[-2],[4]]	$[\begin{array}{c} \frac{3}{11} & - \frac{4}{11} \\ - \frac{5}{11} & \frac{3}{11} \end{array}] [\begin{array}{c} - 2 \\ 4 \end{array}]$
2444	행렬 간단히 하기	[[-5/17,-1/17],[-2/17,3/17]][[-30,82],[-61,50]]	$[\begin{array}{c} - \frac{5}{17} & - \frac{1}{17} \\ - \frac{2}{17} & \frac{3}{17} \end{array}] [\begin{array}{c} - 30 & 82 \\ - 61 & 50 \end{array}]$
2445	행렬 간단히 하기	[[0,-9],[1,1],[-1,8]]+[[-8,1],[9,-5],[9,-2]]	$[\begin{array}{c} 0 & - 9 \\ 1 & 1 \\ - 1 & 8 \end{array}] + [\begin{array}{c} - 8 & 1 \\ 9 & - 5 \\ 9 & - 2 \end{array}]$
2446	행렬 간단히 하기	[[0.1,0.0,0.1,0.1,0.2],[0.1,0.2,-0.1,0.1,-0.1],[0.1,-0.1,0.1,-0.2,0.1],[0.1,0.2,0.1,0.1,0.1],[0.1,0.0,0.0,0.0,0.0]]*[[0,0,0,0,10],[0,5,10/3,5/3,-10],[-10,-15,-20/3,35/3,20],[0,-5,-20/3,5/3,10],[10,10,20/3,-20/3,-20]]	$[\begin{array}{c} 0.1 & 0 & 0.1 & 0.1 & 0.2 \\ 0.1 & 0.2 & - 0.1 & 0.1 & - 0.1 \\ 0.1 & - 0.1 & 0.1 & - 0.2 & 0.1 \\ 0.1 & 0.2 & 0.1 & 0.1 & 0.1 \\ 0.1 & 0 & 0 & 0 & 0 \end{array}] \cdot [\begin{array}{c} 0 & 0 & 0 & 0 & 10 \\ 0 & 5 & (\frac{10}{3}) & (\frac{5}{3}) & - 10 \\ - 10 & - 15 & (- \frac{20}{3}) & (\frac{35}{3}) & 20 \\ 0 & - 5 & (- \frac{20}{3}) & (\frac{5}{3}) & 10 \\ 10 & 10 & (\frac{20}{3}) & (\frac{- 20}{3}) & - 20 \end{array}]$
2447	행렬 간단히 하기	[[0.30,0.20,0.30],[0.40,0.30,0.30],[0.30,0.30,0.20]]*[[81],[8],[9]]	$[\begin{array}{c} 0.3 & 0.2 & 0.3 \\ 0.4 & 0.3 & 0.3 \\ 0.3 & 0.3 & 0.2 \end{array}] \cdot [\begin{array}{c} 81 \\ 8 \\ 9 \end{array}]$
2448	행렬 간단히 하기	[[0.30,0.20,0.30],[0.40,0.30,0.30],[0.30,0.30,0.20]]-[[1,0,0],[0,1,0],[0,0,1]]*[[81],[8],[9]]	$[\begin{array}{c} 0.3 & 0.2 & 0.3 \\ 0.4 & 0.3 & 0.3 \\ 0.3 & 0.3 & 0.2 \end{array}] - [\begin{array}{c} 1 & 0 & 0 \\ 0 & 1 & 0 \\ 0 & 0 & 1 \end{array}] \cdot [\begin{array}{c} 81 \\ 8 \\ 9 \end{array}]$
2449	행렬 간단히 하기	[[0.88,0],[0,0.85]]*[[36000,42000],[50000,58000]]	$[\begin{array}{c} 0.88 & 0 \\ 0 & 0.85 \end{array}] \cdot [\begin{array}{c} 36000 & 42000 \\ 50000 & 58000 \end{array}]$
2450	행렬 간단히 하기	[[1,0,1,0,1,0,1],[0,1,1,0,2,1,2],[0,0,0,1,3,0,3]]	$[\begin{array}{c} 1 & 0 & 1 & 0 & 1 & 0 & 1 \\ 0 & 1 & 1 & 0 & 2 & 1 & 2 \\ 0 & 0 & 0 & 1 & 3 & 0 & 3 \end{array}]$
2451	행렬 간단히 하기	[[1,0,9,0,-7],[0,1,7,0,7],[0,0,0,1,4],[0,0,0,0,-3]]	$[\begin{array}{c} 1 & 0 & 9 & 0 & - 7 \\ 0 & 1 & 7 & 0 & 7 \\ 0 & 0 & 0 & 1 & 4 \\ 0 & 0 & 0 & 0 & - 3 \end{array}]$
2452	행렬 간단히 하기	[[1,-1,1,0,0],[2,-1,-1,-2,2],[2,1,3,0,2]]	$[\begin{array}{c} 1 & - 1 & 1 & 0 & 0 \\ 2 & - 1 & - 1 & - 2 & 2 \\ 2 & 1 & 3 & 0 & 2 \end{array}]$
2453	행렬 간단히 하기	[[-1,-1,-1],[1,0,-2],[0,1,1]][[3,1,1],[2,4,2],[-1,-1,1]]	$[\begin{array}{c} - 1 & - 1 & - 1 \\ 1 & 0 & - 2 \\ 0 & 1 & 1 \end{array}] [\begin{array}{c} 3 & 1 & 1 \\ 2 & 4 & 2 \\ - 1 & - 1 & 1 \end{array}]$
2454	행렬 간단히 하기	[[1,1.61,0.35],[1,0.2,0.8],[3.67,3.86,0.8]][[1,0,0],[0,1,0],[0,0,1]]	$[\begin{array}{c} 1 & 1.61 & 0.35 \\ 1 & 0.2 & 0.8 \\ 3.67 & 3.86 & 0.8 \end{array}] [\begin{array}{c} 1 & 0 & 0 \\ 0 & 1 & 0 \\ 0 & 0 & 1 \end{array}]$
2455	행렬 간단히 하기	[[1,2,3,4],[5,6,7,8],[9,1,2,3]][[9,8,7,6],[5,4,3,2],[1,9,8,7]]	$[\begin{array}{c} 1 & 2 & 3 & 4 \\ 5 & 6 & 7 & 8 \\ 9 & 1 & 2 & 3 \end{array}] [\begin{array}{c} 9 & 8 & 7 & 6 \\ 5 & 4 & 3 & 2 \\ 1 & 9 & 8 & 7 \end{array}]$
2456	행렬 간단히 하기	[[4x+8y],[8x-8y]]	$[\begin{array}{c} 4 x + 8 y \\ 8 x - 8 y \end{array}]$
2457	행렬 간단히 하기	[[5,0.20],[10,0.30]]	$[\begin{array}{c} 5 & 0.2 \\ 10 & 0.3 \end{array}]$
2458	행렬 간단히 하기	[[5,1,5],[4,4,2],[3,-1,4]][[3,-1,4],[5,-3,4],[0,4,-2]]	$[\begin{array}{c} 5 & 1 & 5 \\ 4 & 4 & 2 \\ 3 & - 1 & 4 \end{array}] [\begin{array}{c} 3 & - 1 & 4 \\ 5 & - 3 & 4 \\ 0 & 4 & - 2 \end{array}]$
2459	행렬 간단히 하기	[[5,-10,25,-20],[1,-2,5,-4],[3,-6,15,12]]	$[\begin{array}{c} 5 & - 10 & 25 & - 20 \\ 1 & - 2 & 5 & - 4 \\ 3 & - 6 & 15 & 12 \end{array}]$
2460	행렬 간단히 하기	[[5,4,3,2],[1,2,3,4],[5,4,3,2],[1,2,3,4]]	$[\begin{array}{c} 5 & 4 & 3 & 2 \\ 1 & 2 & 3 & 4 \\ 5 & 4 & 3 & 2 \\ 1 & 2 & 3 & 4 \end{array}]$
2461	행렬 간단히 하기	[[5,4],[-3,7]]+[[9,7],[7,9]]-[[6,3],[3,6]]	$[\begin{array}{c} 5 & 4 \\ - 3 & 7 \end{array}] + [\begin{array}{c} 9 & 7 \\ 7 & 9 \end{array}] - [\begin{array}{c} 6 & 3 \\ 3 & 6 \end{array}]$
2462	행렬 간단히 하기	[[5,6,0,1],[6,6,0,0],[6,5,6,9],[56,35,1,0]]	$[\begin{array}{c} 5 & 6 & 0 & 1 \\ 6 & 6 & 0 & 0 \\ 6 & 5 & 6 & 9 \\ 56 & 35 & 1 & 0 \end{array}]$
2463	행렬 간단히 하기	[[5,6],[7,9]]	$[\begin{array}{c} 5 & 6 \\ 7 & 9 \end{array}]$
2464	행렬 간단히 하기	[[54x,6,7]]	$[\begin{array}{c} 54 x & 6 & 7 \end{array}]$
2465	행렬 간단히 하기	[[5x,9x,7x],[6y,9y,8xy],[6,7yx,11x]]	$[\begin{array}{c} 5 x & 9 x & 7 x \\ 6 y & 9 y & 8 x y \\ 6 & 7 y x & 11 x \end{array}]$
2466	행렬 간단히 하기	[[1,1,-1,1],[2,3,a,3],[1,a,3,2]]	$[\begin{array}{c} 1 & 1 & - 1 & 1 \\ 2 & 3 & a & 3 \\ 1 & a & 3 & 2 \end{array}]$
2467	행렬 간단히 하기	[[1,-1,2],[3,4,5],[0,1,-1]]+[[0,2,1],[3,0,5],[7,-6,0]]+[[0,0,2],[3,1,0],[0,-2,4]]	$[\begin{array}{c} 1 & - 1 & 2 \\ 3 & 4 & 5 \\ 0 & 1 & - 1 \end{array}] + [\begin{array}{c} 0 & 2 & 1 \\ 3 & 0 & 5 \\ 7 & - 6 & 0 \end{array}] + [\begin{array}{c} 0 & 0 & 2 \\ 3 & 1 & 0 \\ 0 & - 2 & 4 \end{array}]$
2468	행렬 간단히 하기	[[7x,3y,-1z,-1w,1],[1x,-1y,1z,3w,2],[9x,-1y,-1z,0,6],[1x,1y,0,0,-3]]	$[\begin{array}{c} 7 x & 3 y & - 1 z & - 1 w & 1 \\ 1 x & - 1 y & 1 z & 3 w & 2 \\ 9 x & - 1 y & - 1 z & 0 & 6 \\ 1 x & 1 y & 0 & 0 & - 3 \end{array}]$
2469	행렬 간단히 하기	[[8,1,6],[8,5,4],[5,5,9]]	$[\begin{array}{c} 8 & 1 & 6 \\ 8 & 5 & 4 \\ 5 & 5 & 9 \end{array}]$
2470	행렬 간단히 하기	[[8,-7,2,3,7,-1,0],[9,-3,1,2,1,-2,-4]]+[[1,2,3,4,5,6,7],[-1,-5,-4,9,-2,-3,0]]	$[\begin{array}{c} 8 & - 7 & 2 & 3 & 7 & - 1 & 0 \\ 9 & - 3 & 1 & 2 & 1 & - 2 & - 4 \end{array}] + [\begin{array}{c} 1 & 2 & 3 & 4 & 5 & 6 & 7 \\ - 1 & - 5 & - 4 & 9 & - 2 & - 3 & 0 \end{array}]$
2471	행렬 간단히 하기	[[8b-2c],[-b],[7c]]	$[\begin{array}{c} 8 b - 2 c \\ - b \\ 7 c \end{array}]$
2472	행렬 간단히 하기	[[-9,8],[1,1]][[-34^n,0],[0,34^n]][[-1,8],[1,9]]	$[\begin{array}{c} - 9 & 8 \\ 1 & 1 \end{array}] [\begin{array}{c} - 34^{n} & 0 \\ 0 & 34^{n} \end{array}] [\begin{array}{c} - 1 & 8 \\ 1 & 9 \end{array}]$
2473	행렬 간단히 하기	[[a,0,b,2],[a,a,4,4],[0,a,2,b]]	$[\begin{array}{c} a & 0 & b & 2 \\ a & a & 4 & 4 \\ 0 & a & 2 & b \end{array}]$
2474	행렬 간단히 하기	[[a,1,1,1],[1,a,1,1],[1,1,a,1],[1,1,1,a]]	$[\begin{array}{c} a & 1 & 1 & 1 \\ 1 & a & 1 & 1 \\ 1 & 1 & a & 1 \\ 1 & 1 & 1 & a \end{array}]$
2475	행렬 간단히 하기	[[a,b,c],[d,e,f],[g,h,i]]	$[\begin{array}{c} a & b & c \\ d & e & f \\ g & h & i \end{array}]$
2476	행렬 간단히 하기	[[a+d,b+e,c+f],[d,e,f],[g,h,i]]	$[\begin{array}{c} a + d & b + e & c + f \\ d & e & f \\ g & h & i \end{array}]$
2477	행렬 간단히 하기	[[cos(x)sin(x),-ysin(x)sin(x),ycos(x)cos(x)],[sin(x)sin(x),ycos(x)sin(x),ysin(x)cos(x)],[cos(x),0,-ysin(x)]]	$[\begin{array}{c} \cos (x) \sin (x) & - y \sin (x) \sin (x) & y \cos (x) \cos (x) \\ \sin (x) \sin (x) & y \cos (x) \sin (x) & y \sin (x) \cos (x) \\ \cos (x) & 0 & - y \sin (x) \end{array}]$
2478	행렬 간단히 하기	[[cos(x),-sin(x)],[sin(x),cos(x)]]*[[cos(x),sin(x)],[-sin(x),cos(x)]]	$[\begin{array}{c} \cos (x) & - \sin (x) \\ \sin (x) & \cos (x) \end{array}] \cdot [\begin{array}{c} \cos (x) & \sin (x) \\ - \sin (x) & \cos (x) \end{array}]$
2479	행렬 간단히 하기	[[x,0,-1],[3,-9,x],[x,0,6]]=9	$[\begin{array}{c} x & 0 & - 1 \\ 3 & - 9 & x \\ x & 0 & 6 \end{array}] = 9$
2480	행렬 간단히 하기	[[x,1,1],[3,-4,4],[-1,-5,2]]=5 , x	$[\begin{array}{c} x & 1 & 1 \\ 3 & - 4 & 4 \\ - 1 & - 5 & 2 \end{array}] = 5$ , $x$
2481	행렬 간단히 하기	[[x,-3y,14z,7],[-2x,8y,-38z,-10],[x,-2y,9,11]]	$[\begin{array}{c} x & - 3 y & 14 z & 7 \\ - 2 x & 8 y & - 38 z & - 10 \\ x & - 2 y & 9 & 11 \end{array}]$
2482	행렬 간단히 하기	[[x,y],[0,2],[4,5],[8,8]]	$[\begin{array}{c} x & y \\ 0 & 2 \\ 4 & 5 \\ 8 & 8 \end{array}]$
2483	행렬 간단히 하기	[[x,y],[1,3.75],[2,5],[3,6.25],[4,7.50],[5,8.75]]	$[\begin{array}{c} x & y \\ 1 & 3.75 \\ 2 & 5 \\ 3 & 6.25 \\ 4 & 7.5 \\ 5 & 8.75 \end{array}]$
2484	행렬 간단히 하기	[[x,y],[1,6],[2,10],[3,14]]	$[\begin{array}{c} x & y \\ 1 & 6 \\ 2 & 10 \\ 3 & 14 \end{array}]$
2485	행렬 간단히 하기	[[x,y],[5,3]]	$[\begin{array}{c} x & y \\ 5 & 3 \end{array}]$
2486	행렬 간단히 하기	[[a,-2b,3d],[4a,b,-d],[2a,-b,3d]]	$[\begin{array}{c} a & - 2 b & 3 d \\ 4 a & b & - d \\ 2 a & - b & 3 d \end{array}]$
2487	행렬 간단히 하기	[[a-b],[a]]	$[\begin{array}{c} a - b \\ a \end{array}]$
2488	행렬 간단히 하기	[[y,-2,29],[y,-x,-50]]	$[\begin{array}{c} y & - 2 & 29 \\ y & - x & - 50 \end{array}]$
2489	행렬 간단히 하기	matriz [[1,1],[0,2]]	matriz $[\begin{array}{c} 1 & 1 \\ 0 & 2 \end{array}]$
2490	행렬 간단히 하기	-a+b[[-2,2,8],[2,-1,-2],[2,-1,-4]]	$- a + b [\begin{array}{c} - 2 & 2 & 8 \\ 2 & - 1 & - 2 \\ 2 & - 1 & - 4 \end{array}]$
2491	행렬 간단히 하기	R=[[5,8],[1,2]]	$R = [\begin{array}{c} 5 & 8 \\ 1 & 2 \end{array}]$
2492	행렬 간단히 하기	[[1,-1],[-2,1],[3,1]][[15/14],[4]]-[[1],[5],[8]]	$[\begin{array}{c} 1 & - 1 \\ - 2 & 1 \\ 3 & 1 \end{array}] [\begin{array}{c} \frac{15}{14} \\ 4 \end{array}] - [\begin{array}{c} 1 \\ 5 \\ 8 \end{array}]$
2493	행렬 간단히 하기	[[1,2,1,0,0,20],[1,1,0,1,0,12],[5,1,0,0,1,40],[-20,-30,0,0,0,0]]	$[\begin{array}{c} 1 & 2 & 1 & 0 & 0 & 20 \\ 1 & 1 & 0 & 1 & 0 & 12 \\ 5 & 1 & 0 & 0 & 1 & 40 \\ - 20 & - 30 & 0 & 0 & 0 & 0 \end{array}]$
2494	행렬 간단히 하기	[[1,-2,2,4,0,-8],[0,0,1,0,0,9],[0,0,0,1,0,5],[0,0,0,0,0,0]]	$[\begin{array}{c} 1 & - 2 & 2 & 4 & 0 & - 8 \\ 0 & 0 & 1 & 0 & 0 & 9 \\ 0 & 0 & 0 & 1 & 0 & 5 \\ 0 & 0 & 0 & 0 & 0 & 0 \end{array}]$
2495	행렬 간단히 하기	[[1,2,3,4,5,6,7],[0,3,8,15,24,35,48]]*6	$[\begin{array}{c} 1 & 2 & 3 & 4 & 5 & 6 & 7 \\ 0 & 3 & 8 & 15 & 24 & 35 & 48 \end{array}] \cdot 6$
2496	행렬 간단히 하기	[[1,2,3,4],[2,3,2,1],[3,3,4,5],[6,7,4,5]][[1],[2]]	$[\begin{array}{c} 1 & 2 & 3 & 4 \\ 2 & 3 & 2 & 1 \\ 3 & 3 & 4 & 5 \\ 6 & 7 & 4 & 5 \end{array}] [\begin{array}{c} 1 \\ 2 \end{array}]$
2497	행렬 간단히 하기	[[1,2,3],[4,5,6],[7,8,9]][[1,2,-3],[0,1,2],[-1,2,0]]	$[\begin{array}{c} 1 & 2 & 3 \\ 4 & 5 & 6 \\ 7 & 8 & 9 \end{array}] [\begin{array}{c} 1 & 2 & - 3 \\ 0 & 1 & 2 \\ - 1 & 2 & 0 \end{array}]$
2498	행렬 간단히 하기	[[1,2],[1,5],[4,0]][[1,7],[-4,2]]	$[\begin{array}{c} 1 & 2 \\ 1 & 5 \\ 4 & 0 \end{array}] [\begin{array}{c} 1 & 7 \\ - 4 & 2 \end{array}]$
2499	행렬 간단히 하기	[[1,3,0,4],[0,2,-1,5],[3,0,1,-2]]	$[\begin{array}{c} 1 & 3 & 0 & 4 \\ 0 & 2 & - 1 & 5 \\ 3 & 0 & 1 & - 2 \end{array}]$
2500	행렬 간단히 하기	[[1,4],[-2,3],[1,-2]][[3,6],[6,0]][[3,0,0],[0,6,-3]]	$[\begin{array}{c} 1 & 4 \\ - 2 & 3 \\ 1 & - 2 \end{array}] [\begin{array}{c} 3 & 6 \\ 6 & 0 \end{array}] [\begin{array}{c} 3 & 0 & 0 \\ 0 & 6 & - 3 \end{array}]$