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热门问题

等级	主题	问题	格式化的问题
5601	Solve Using a Matrix by Elimination	4x-2y-5z=-51 , 2x-2y-2z=-42 , 4x-2y+4z=-24	$4 x - 2 y - 5 z = - 51$ , $2 x - 2 y - 2 z = - 42$ , $4 x - 2 y + 4 z = - 24$
5602	Solve Using a Matrix by Elimination	4x-3y+z+1=0 , 5x+7y+2z+2=0 , 3x-5y-z-1=0	$4 x - 3 y + z + 1 = 0$ , $5 x + 7 y + 2 z + 2 = 0$ , $3 x - 5 y - z - 1 = 0$
5603	Solve Using a Matrix by Elimination	4x-3y=5 , -8x+6y=-10	$4 x - 3 y = 5$ , $- 8 x + 6 y = - 10$
5604	Solve Using a Matrix by Elimination	4x-3y=5 , 8x-6y=10	$4 x - 3 y = 5$ , $8 x - 6 y = 10$
5605	Solve Using a Matrix by Elimination	4x-4y+4z=8 , x-3y-2z=-2 , 3x+y+3z=2	$4 x - 4 y + 4 z = 8$ , $x - 3 y - 2 z = - 2$ , $3 x + y + 3 z = 2$
5606	Solve Using a Matrix by Elimination	4x-5y+z=7 , x+y=5	$4 x - 5 y + z = 7$ , $x + y = 5$
5607	Solve Using a Matrix by Elimination	4x-5y=48 , 2x+3y=2	$4 x - 5 y = 48$ , $2 x + 3 y = 2$
5608	Solve Using a Matrix by Elimination	4x-y=2 , x+4y=9	$4 x - y = 2$ , $x + 4 y = 9$
5609	Solve Using a Matrix by Elimination	50x+80y=36000 , 75x+160y=62000	$50 x + 80 y = 36000$ , $75 x + 160 y = 62000$
5610	Solve Using a Matrix by Elimination	5x+2y=3 , 2x+3y=1	$5 x + 2 y = 3$ , $2 x + 3 y = 1$
5611	Solve Using a Matrix by Elimination	5x+4y+7z=179 , 3x+2y+5z=115 , 2x+2y+4z=90	$5 x + 4 y + 7 z = 179$ , $3 x + 2 y + 5 z = 115$ , $2 x + 2 y + 4 z = 90$
5612	Solve Using a Matrix by Elimination	5x+6y=3 , -x-6/5y=-3/5	$5 x + 6 y = 3$ , $- x - \frac{6}{5} y = - \frac{3}{5}$
5613	Solve Using a Matrix by Elimination	-5x+7y=11 , -5x+3y=19	$- 5 x + 7 y = 11$ , $- 5 x + 3 y = 19$
5614	Solve Using a Matrix by Elimination	5x+y+7z=9 , 6x-4y-z=2 , x-2y-4z=-5	$5 x + y + 7 z = 9$ , $6 x - 4 y - z = 2$ , $x - 2 y - 4 z = - 5$
5615	Solve Using a Matrix by Elimination	5x+y=27 , 10x+2y=135	$5 x + y = 27$ , $10 x + 2 y = 135$
5616	Solve Using a Matrix by Elimination	5x+y=3 , 7x-3y=-31	$5 x + y = 3$ , $7 x - 3 y = - 31$
5617	Solve Using a Matrix by Elimination	5x+y=-7 , 7x-3y=-23	$5 x + y = - 7$ , $7 x - 3 y = - 23$
5618	Solve Using a Matrix by Elimination	5x-10y+25z=-20 , x-2y+5z=-4 , 3x-6y+15z=12	$5 x - 10 y + 25 z = - 20$ , $x - 2 y + 5 z = - 4$ , $3 x - 6 y + 15 z = 12$
5619	Solve Using a Matrix by Elimination	5x-2y=1 , 3x+y=-4	$5 x - 2 y = 1$ , $3 x + y = - 4$
5620	Solve Using a Matrix by Elimination	5x-2y=4 , 2x-3y=5	$5 x - 2 y = 4$ , $2 x - 3 y = 5$
5621	Solve Using a Matrix by Elimination	5x-3y+3z=9 , 5x+2y-z=16 , 15x-4y+5z=34	$5 x - 3 y + 3 z = 9$ , $5 x + 2 y - z = 16$ , $15 x - 4 y + 5 z = 34$
5622	Solve Using a Matrix by Elimination	5x-3y+4z=7 , 5x+2y-2z=11 , 20x-7y+10z=32	$5 x - 3 y + 4 z = 7$ , $5 x + 2 y - 2 z = 11$ , $20 x - 7 y + 10 z = 32$
5623	Solve Using a Matrix by Elimination	5x-3y-2z=-24 , 3x-2y+2z=15 , -18x-5y+4z=20	$5 x - 3 y - 2 z = - 24$ , $3 x - 2 y + 2 z = 15$ , $- 18 x - 5 y + 4 z = 20$
5624	Solve Using a Matrix by Elimination	5x-4y=4 , -10x+8y=-8	$5 x - 4 y = 4$ , $- 10 x + 8 y = - 8$
5625	Solve Using a Matrix by Elimination	5x-6y=20 , 10x-12y=3	$5 x - 6 y = 20$ , $10 x - 12 y = 3$
5626	Solve Using a Matrix by Elimination	5x-6y=6 , 10x-12y=12	$5 x - 6 y = 6$ , $10 x - 12 y = 12$
5627	Solve Using a Matrix by Elimination	5x-y+z=-15 , 3x+2y-3z=8 , x-3y+2z=-13	$5 x - y + z = - 15$ , $3 x + 2 y - 3 z = 8$ , $x - 3 y + 2 z = - 13$
5628	Solve Using a Matrix by Elimination	5x-y=18 , x+9y=68	$5 x - y = 18$ , $x + 9 y = 68$
5629	Solve Using a Matrix by Elimination	5x-y=34 , 2x+3y=0	$5 x - y = 34$ , $2 x + 3 y = 0$
5630	Solve Using a Matrix by Elimination	-5x-y-8z=-49 , -4x-6z=-36 , 6y+z=20	$- 5 x - y - 8 z = - 49$ , $- 4 x - 6 z = - 36$ , $6 y + z = 20$
5631	Solve Using a Matrix by Elimination	6 3x-7y=15 , 7 的平方根 3x+6y=60 的平方根	$6 \sqrt{3 x} - 7 y = 15$ , $7 \sqrt{3 x} + 6 y = 60$
5632	Solve Using a Matrix by Elimination	6m-n=38 , m-6n=-17	$6 m - n = 38$ , $m - 6 n = - 17$
5633	Solve Using a Matrix by Elimination	6x+4y+5z=43 , 4x+4y-3z=7 , 3x-3y-4z=12	$6 x + 4 y + 5 z = 43$ , $4 x + 4 y - 3 z = 7$ , $3 x - 3 y - 4 z = 12$
5634	Solve Using a Matrix by Elimination	6x+5y=4 , 6x-7y=-20	$6 x + 5 y = 4$ , $6 x - 7 y = - 20$
5635	Solve Using a Matrix by Elimination	6x+5y=5 , x+2y=2	$6 x + 5 y = 5$ , $x + 2 y = 2$
5636	Solve Using a Matrix by Elimination	-6x+9y=9 , 5x-4y=3	$- 6 x + 9 y = 9$ , $5 x - 4 y = 3$
5637	Solve Using a Matrix by Elimination	6x-3y=3 , 7x-y=3	$6 x - 3 y = 3$ , $7 x - y = 3$
5638	Solve Using a Matrix by Elimination	6x-3y=-3 , 8x-y=5	$6 x - 3 y = - 3$ , $8 x - y = 5$
5639	Solve Using a Matrix by Elimination	-6x-5y+3z=-22 , -8y+3z=-38 , -4x+7y+7z=6	$- 6 x - 5 y + 3 z = - 22$ , $- 8 y + 3 z = - 38$ , $- 4 x + 7 y + 7 z = 6$
5640	Solve Using a Matrix by Elimination	6x-5y=-3 , 8x-y=13	$6 x - 5 y = - 3$ , $8 x - y = 13$
5641	Solve Using a Matrix by Elimination	6x-9y+2z=-2 , 6x-5y+7z=4 , 2y-6z=-4	$6 x - 9 y + 2 z = - 2$ , $6 x - 5 y + 7 z = 4$ , $2 y - 6 z = - 4$
5642	Solve Using a Matrix by Elimination	6x-y-9z=5 , 4x+y-z=16 , 8x+y-8z=8	$6 x - y - 9 z = 5$ , $4 x + y - z = 16$ , $8 x + y - 8 z = 8$
5643	Solve Using a Matrix by Elimination	6y=x-3 , y=5x+1	$6 y = x - 3$ , $y = 5 x + 1$
5644	Solve Using a Matrix by Elimination	7m+12n=-1 , 5m-3n=7	$7 m + 12 n = - 1$ , $5 m - 3 n = 7$
5645	Solve Using a Matrix by Elimination	3x+y-3z=-6 , x+5y-z=-16 , 5x+5y-z=-12	$3 x + y - 3 z = - 6$ , $x + 5 y - z = - 16$ , $5 x + 5 y - z = - 12$
5646	Solve Using a Matrix by Elimination	3x-12y=19 , -2x+8y=11	$3 x - 12 y = 19$ , $- 2 x + 8 y = 11$
5647	Solve Using a Matrix by Elimination	3x-2y+3z=-1 , -9x+6y-9z=2 , -3x+2y-3z=-2	$3 x - 2 y + 3 z = - 1$ , $- 9 x + 6 y - 9 z = 2$ , $- 3 x + 2 y - 3 z = - 2$
5648	Solve Using a Matrix by Elimination	3x-2y+4z=16 , 2x+y-2z=-1 , x+4y-8z=-18	$3 x - 2 y + 4 z = 16$ , $2 x + y - 2 z = - 1$ , $x + 4 y - 8 z = - 18$
5649	Solve Using a Matrix by Elimination	3x-2y+4z=17 , 2x+y-2z=-5 , x+4y-8z=-27	$3 x - 2 y + 4 z = 17$ , $2 x + y - 2 z = - 5$ , $x + 4 y - 8 z = - 27$
5650	Solve Using a Matrix by Elimination	3x-2y+4z=-5 , 2x+4y+5z=-10 , x+2y-z=7	$3 x - 2 y + 4 z = - 5$ , $2 x + 4 y + 5 z = - 10$ , $x + 2 y - z = 7$
5651	Solve Using a Matrix by Elimination	3x-2y+z=11 , -x+y+2z=-11 , x-y-4z=17	$3 x - 2 y + z = 11$ , $- x + y + 2 z = - 11$ , $x - y - 4 z = 17$
5652	Solve Using a Matrix by Elimination	3x-2y=17 , 2x+7y=-47	$3 x - 2 y = 17$ , $2 x + 7 y = - 47$
5653	Solve Using a Matrix by Elimination	3x-2y=-3 , 5x-y=2	$3 x - 2 y = - 3$ , $5 x - y = 2$
5654	Solve Using a Matrix by Elimination	3x-2y=4 , 6x-4y=8	$3 x - 2 y = 4$ , $6 x - 4 y = 8$
5655	Solve Using a Matrix by Elimination	3x-2y=7 , -4x+8y=12	$3 x - 2 y = 7$ , $- 4 x + 8 y = 12$
5656	Solve Using a Matrix by Elimination	3x-2y=-7 , -6x+4y=14	$3 x - 2 y = - 7$ , $- 6 x + 4 y = 14$
5657	Solve Using a Matrix by Elimination	3x-2y-8z=1 , 9x-6y-24z=-2 , x-y+z=1	$3 x - 2 y - 8 z = 1$ , $9 x - 6 y - 24 z = - 2$ , $x - y + z = 1$
5658	Solve Using a Matrix by Elimination	3x-4y+2z=-8 , 2x+3y+z=7 , x-5y-3z=3	$3 x - 4 y + 2 z = - 8$ , $2 x + 3 y + z = 7$ , $x - 5 y - 3 z = 3$
5659	Solve Using a Matrix by Elimination	3x-4y=12 , x+2y=4	$3 x - 4 y = 12$ , $x + 2 y = 4$
5660	Solve Using a Matrix by Elimination	3x-4y=13 , 3y+2x=3	$3 x - 4 y = 13$ , $3 y + 2 x = 3$
5661	Solve Using a Matrix by Elimination	3x-4y=16 , 6x+8y=-2	$3 x - 4 y = 16$ , $6 x + 8 y = - 2$
5662	Solve Using a Matrix by Elimination	3x-4y=9 , -2x+3=-6	$3 x - 4 y = 9$ , $- 2 x + 3 = - 6$
5663	Solve Using a Matrix by Elimination	3x-4y=9 , -2x+3y=-6	$3 x - 4 y = 9$ , $- 2 x + 3 y = - 6$
5664	Solve Using a Matrix by Elimination	3x-6y+9z=12 , -x+2y-3z=-4 , x+y+2z=7	$3 x - 6 y + 9 z = 12$ , $- x + 2 y - 3 z = - 4$ , $x + y + 2 z = 7$
5665	Solve Using a Matrix by Elimination	3x-6y=45 , 9x-5y=-8	$3 x - 6 y = 45$ , $9 x - 5 y = - 8$
5666	Solve Using a Matrix by Elimination	3x-7y=5 , 8x+4y=20	$3 x - 7 y = 5$ , $8 x + 4 y = 20$
5667	Solve Using a Matrix by Elimination	3x-9y+6z=-12 , x-3y+2x=-4 , 2x-6y+4z=8	$3 x - 9 y + 6 z = - 12$ , $x - 3 y + 2 x = - 4$ , $2 x - 6 y + 4 z = 8$
5668	Solve Using a Matrix by Elimination	3x-9y=21 , -2x+6y=-14	$3 x - 9 y = 21$ , $- 2 x + 6 y = - 14$
5669	Solve Using a Matrix by Elimination	3x-y+4z=25 , x+2y+2z=4 , 3x+2y-z=-4	$3 x - y + 4 z = 25$ , $x + 2 y + 2 z = 4$ , $3 x + 2 y - z = - 4$
5670	Solve Using a Matrix by Elimination	3a-y=4 , 6a+2y=-8 , 6a-2y=2	$3 a - y = 4$ , $6 a + 2 y = - 8$ , $6 a - 2 y = 2$
5671	Solve Using a Matrix by Elimination	3x-y=8 , -9x+3y=-10	$3 x - y = 8$ , $- 9 x + 3 y = - 10$
5672	Solve Using a Matrix by Elimination	3x-y=9 , -6x+2y=-18	$3 x - y = 9$ , $- 6 x + 2 y = - 18$
5673	Solve Using a Matrix by Elimination	3x-y-2z=6 , x-2y+z=3 , 2x-y-4z=9	$3 x - y - 2 z = 6$ , $x - 2 y + z = 3$ , $2 x - y - 4 z = 9$
5674	Solve Using a Matrix by Elimination	-3y-3x=-9 , y=-3+7	$- 3 y - 3 x = - 9$ , $y = - 3 + 7$
5675	Solve Using a Matrix by Elimination	400x+1200y+800z=8000 , 110x+570y+340z=2920 , 90x+30y+60z=1080	$400 x + 1200 y + 800 z = 8000$ , $110 x + 570 y + 340 z = 2920$ , $90 x + 30 y + 60 z = 1080$
5676	Solve Using a Matrix by Elimination	40833.33x-75000z-3333.33a=10 , 16111.11y-33333.33z-11111.11b-11111.11c=0 , -75000x-33333.33y+333333.33z+33333.33b+66666.67c=0 , -3333.33x+40833.33a=0 , -11111.11y+33333.33z+16111.11b+33333.33c=5 , -33333.33y+66666.67z+33333.33b+133333.33c=0	$40833.33 x - 75000 z - 3333.33 a = 10$ , $16111.11 y - 33333.33 z - 11111.11 b - 11111.11 c = 0$ , $- 75000 x - 33333.33 y + 333333.33 z + 33333.33 b + 66666.67 c = 0$ , $- 3333.33 x + 40833.33 a = 0$ , $- 11111.11 y + 33333.33 z + 16111.11 b + 33333.33 c = 5$ , $- 33333.33 y + 66666.67 z + 33333.33 b + 133333.33 c = 0$
5677	Solve Using a Matrix by Elimination	4x1-x2=11 , x1+3x2=6	$4 x \cdot 1 - x \cdot 2 = 11$ , $x \cdot 1 + 3 x \cdot 2 = 6$
5678	Solve Using a Matrix by Elimination	4x+12y=-12 , -x-3y=3 , -1/2x-3/2y=3/2	$4 x + 12 y = - 12$ , $- x - 3 y = 3$ , $- \frac{1}{2} x - \frac{3}{2} y = \frac{3}{2}$
5679	Solve Using a Matrix by Elimination	4x+12y=20 , 3x+9y=15	$4 x + 12 y = 20$ , $3 x + 9 y = 15$
5680	Solve Using a Matrix by Elimination	4x+2y=20 , 9x+9y=36	$4 x + 2 y = 20$ , $9 x + 9 y = 36$
5681	Solve Using a Matrix by Elimination	4x+2y=7 , -7x+5y=-8	$4 x + 2 y = 7$ , $- 7 x + 5 y = - 8$
5682	Solve Using a Matrix by Elimination	-4x+2y-4z=-8 , 7x-6y-4z=-8 , 3x-5y+3z=6	$- 4 x + 2 y - 4 z = - 8$ , $7 x - 6 y - 4 z = - 8$ , $3 x - 5 y + 3 z = 6$
5683	Solve Using a Matrix by Elimination	4x+3y=-11 , 12x+9y=8	$4 x + 3 y = - 11$ , $12 x + 9 y = 8$
5684	Solve Using a Matrix by Elimination	4x+3y=11 , 2x-5y=-1	$4 x + 3 y = 11$ , $2 x - 5 y = - 1$
5685	Solve Using a Matrix by Elimination	x-y+4z+w=-1.3 , -2x-5y-16z-8w=7.6 , 4x-y+12z=-1 , 3x-2y+7z+6w=-6.7	$x - y + 4 z + w = - 1.3$ , $- 2 x - 5 y - 16 z - 8 w = 7.6$ , $4 x - y + 12 z = - 1$ , $3 x - 2 y + 7 z + 6 w = - 6.7$
5686	Solve Using a Matrix by Elimination	x-y+4z=19 , 2x+z=4 , x+3y+z=-5	$x - y + 4 z = 19$ , $2 x + z = 4$ , $x + 3 y + z = - 5$
5687	Solve Using a Matrix by Elimination	x-y=1 , 2x-8z=8 , 8y+z=6	$x - y = 1$ , $2 x - 8 z = 8$ , $8 y + z = 6$
5688	Solve Using a Matrix by Elimination	x-y=1 , -x+y=-1	$x - y = 1$ , $- x + y = - 1$
5689	Solve Using a Matrix by Elimination	x-y=2 , x-z=2 , 6x-2y-3z=3	$x - y = 2$ , $x - z = 2$ , $6 x - 2 y - 3 z = 3$
5690	Solve Using a Matrix by Elimination	x-y=3 , 3x+2y=24	$x - y = 3$ , $3 x + 2 y = 24$
5691	Solve Using a Matrix by Elimination	x-y=-5 , 4x+y=-20	$x - y = - 5$ , $4 x + y = - 20$
5692	Solve Using a Matrix by Elimination	x-y=-9 , 2x+y=-6 , 3x-y=-19 , 4x+y=-16	$x - y = - 9$ , $2 x + y = - 6$ , $3 x - y = - 19$ , $4 x + y = - 16$
5693	Solve Using a Matrix by Elimination	x-y-8z=0 , y+4z=8 , 3y+14z=22	$x - y - 8 z = 0$ , $y + 4 z = 8$ , $3 y + 14 z = 22$
5694	Solve Using a Matrix by Elimination	x-y-z=1 , -x+2y-3z=-7 , 5x-3y-13z=-7	$x - y - z = 1$ , $- x + 2 y - 3 z = - 7$ , $5 x - 3 y - 13 z = - 7$
5695	Solve Using a Matrix by Elimination	x-y-z=3 , 5x+3y+z=3 , 18x+6y=0	$x - y - z = 3$ , $5 x + 3 y + z = 3$ , $18 x + 6 y = 0$
5696	Solve Using a Matrix by Elimination	-x-y-z=-4 , x+x+z=0 , x+y-z=-6	$- x - y - z = - 4$ , $x + x + z = 0$ , $x + y - z = - 6$
5697	Solve Using a Matrix by Elimination	7x+2y=24 , 8x+2y=30	$7 x + 2 y = 24$ , $8 x + 2 y = 30$
5698	Solve Using a Matrix by Elimination	7x+3y+5z=-10 , 3x+y+2z=1	$7 x + 3 y + 5 z = - 10$ , $3 x + y + 2 z = 1$
5699	Solve Using a Matrix by Elimination	7x+4y-z=0 , 5z+3y-z=0	$7 x + 4 y - z = 0$ , $5 z + 3 y - z = 0$
5700	Solve Using a Matrix by Elimination	7x+5y1=13 , 6x+4y1=19	$7 x + 5 y \cdot 1 = 13$ , $6 x + 4 y \cdot 1 = 19$