文档介绍：方程组79x+40y=241956x-y=1176答案:x=21y=1980x-87y=215622x-y=880答案:x=40y=1232x+62y=513457x+y=2850答案:x=50y=5783x-49y=8259x+y=2183答案:x=37y=6191x+70y=584595x-y=4275答案:x=45y=2529x+44y=528188x-y=3608答案:x=41y=9325x-95y=-435540x-y=2000答案:x=50y=5954x+68y=328478x+y=1404答案:x=18y=3470x+13y=352052x+y=2132答案:x=41y=5048x-54y=-318624x+y=1080答案:x=45y=9936x+77y=761947x-y=799答案:x=17y=9113x-42y=-271731x-y=1333答案:x=43y=7828x+28y=333252x-y=4628答案:x=89y=3062x-98y=-256446x-y=2024答案:x=44y=5479x-76y=-438826x-y=832答案:x=32y=9163x-40y=-82142x-y=546答案:x=13y=4169x-96y=-120942x+y=3822答案:x=91y=7885x+67y=733811x+y=308答案:x=28y=7478x+74y=1292814x+y=1218答案:x=87y=8339x+42y=533159x-y=5841答案:x=99y=3529x+18y=191658x+y=2320答案:x=40y=4240x+31y=604345x-y=3555答案:x=79y=9347x+50y=859845x+y=3780答案:x=84y=9345x-30y=-145529x-y=725答案:x=25y=8611x-43y=-136147x+y=799答案:x=17y=3633x+59y=325494x+y=1034答案:x=11y=4989x-74y=-273568x+y=1020答案:x=15y=5594x+71y=751778x+y=3822答案:x=49y=4128x-62y=-493446x+y=552答案:x=12y=8575x+43y=847217x-y=1394答案:x=82y=5441x-38y=-118029x+y=1450答案:x=50y=8522x-59y=82463x+y=4725答案:x=75y=1495x-56y=-40190x+y=1530答案:x=17y=3693x-52y=-85229x+y=464答案:x=16y=4593x+12y=882354x+y=4914答案:x=91y=3021x-63y=8420x+y=1880答案:x=94y=3048x+93y=975638x-y=950答案:x=25y=9299x-67y=401175x-y=5475答案:x=73y=4883x+64y=929190x-y=3690答案:x=41y=9217x+62y=321675x-y=7350答案:x=98y=2577x+67y=273914x-y=364答案:x=26y=1120x-68y=-459614x-y=924答案:x=66y=8723x+87y=411083x-y=5727答案:x=69y=2922x-38y=80486x+y=6708答案:x=78y=2420x-45y=-352056x+y=728答案:x=13y=8446x+37y=708561x-y=4636答案:x=76y=9717x+61y=408871x+y=5609答案:x=79y=4551x-61y=-190789x-y=2314答案:x=26y=5369x-98y=-240421x+y=1386答案:x=66y=7115x-41y=75474x-y=6956答案:x=94y=1678x-55y=65689x+y=5518答案:x=62y=7629x+21y=163331x-y=713答案:x=23y=4658x-28y=272435x+y=3080答案:x=88y=8528x-63y=-225488x-y=2024答案:x=23y=4643x+50y=706485x+y=8330答案:x=98y=5758x-77y=117038x-y=2280答案:x=60y=3092x+83y=1158643x+y=3010答案:x=70y=6299x+82y=605552x-y=1716答案:x=33y=3415x+26y=172994x+y=8554答案:x=91y=1464x+32y=355256x-y=2296答案:x=41y=2994x+66y=1052484x-y=78