标准文档1. 2x+9y=813x+y=342. 9x+4y=358x+3y=303. 7x+2y=527x+4y=624. 4x+6y=549x+2y=875. 2x+y=72x+5y=19实用文案6. x+2y=213x+5y=567. 5x+7y=525x+2y=228. 5x+5y=657x+7y=2039. 8x+4y=56x+4y=2110. 5x+7y=415x+8y=44标准文档11. 7x+5y=543x+4y=3812. x+8y=154x+y=2913. 3x+6y=249x+5y=4614. 9x+2y=624x+3y=3615. 9x+4y=46实用文案7x+4y=4216. 9x+7y=1354x+y=4117. 3x+8y=51x+6y=2718. 9x+3y=994x+7y=9519. 9x+2y=383x+6y=18标准文档20. 5x+5y=457x+9y=6921. 8x+2y=287x+8y=6222. x+6y=143x+3y=2723. 7x+4y=672x+8y=2624. 5x+4y=527x+6y=74实用文案25. 7x+y=94x+6y=1626. 6x+6y=486x+3y=4227. 8x+2y=167x+y=1128. 4x+9y=778x+6y=9429. 6x+8y=687x+6y=66标准文档30. 2x+2y=227x+2y=4731. 5x+3y=83x+5y=832. 6x-7y=5x+2y=433. 10x-8y=14x+y=534. 4x+7y=3x+y=0实用文案35. 3x+y=107x-y=2036. 44x+10y=27x+y=137. 8x-y=0x+y=1838. 11x-y=1211y-x=-1239. 5x+6y=27标准文档2x+3y=1240. 7x-2y=4x+2y=1241. (2x+y)-5y=22x-5y=042. 7x-3y=33x+2y=2143. 7x+2y=21y-6x=1实用文案44. 10x-8y=03x-2y=245. 3x+y=105x-7y=846. 3x-2y=1x-y=347.x+3y=-53x-4y=-248.y-3x=2 x-2y=6标准文档49.5x+3y=2 2x-y=350.9x-3y=12 2x+y=651.2x+3y=7 3x+2y=352.3x+2y=18 x+y=753. 2x-5y=1x+y=3实用文案54. x+8y=442 5x+6y=48055.3x-2y=5 7x-4y=1156.3x-5y=2 2x-y=357.4x-3y=18 2x-y=858.x-2y=5x+3y=-5标准文档59.3x+y=7 2x+3y=760.3x-2y=7 2x-3y=361. 23x+17y=6317x+23y=5762. x-y=2x+1=2(y-1)63. x-5y=03x+2y=17实用文案64. x+2=42(y-3)=665. 3(y-2)=x-12(x-1)=5y-866. x+2y+2=07x-4y=-4167. x-3y+20=03x+7y-100=068. 2x+y=1 3x-2y=-9标准文档69. 3x-4y+11=0 3y-4x+53=070. 4y=3x+4 5y=4x+371. 7x-3y+1=0 4x-5y=-1772. 3x-y-3=0 4x+3y=1773. x-y=32y+3(x-y)=11实用文案74.x3 y4 1 3x-4y=275.xy44 3 3 3(x-4)=4(y+2)76. xy 12 3 1 3x+2y=1077. x 13 2y 2(x+1)-y=1178. 2x y3 2y 0标准文档2(2x+y)-5=7y79. 6x+6y=48 6x+3y=4280. (2x+y)-5y=2 2x-5y=081.3x 12 y 12x+y=282. xy44 3 33(x-4)=4(y+2)实用文案83. 2x-3y=-53x+2y=1284. 3x-2(x+2y)=311x+4(x+2y)=4585. x-2y=3xy75 2 1086. 9x+2y=203x+4y=1087.1125 x 3 y 50.5x-0.3y=0.2标准文档88. 11x-9y=12 -4x+3y=-589. 3x+5y=6 6x+15y=1690. 3x-y-3=0 4x+3y=1791. x+y=500 0.7+0.9y=386x 0.6y 1292. 54x5 0.4y 8实用文案93.x4 y 1x+4y=4x y94.2 9x3 y2 695. 3x+5y=19 8x-3y=6796. x 1 16 7x5 2x-1=3y+397. x-2y=7 1-3x= y 12标准文档98. 5.3x+4.7y=1124.7+5.3y=88xy 42599.xy 3715100. x+y=9 3(x+y)+2x=33实用文案
