1、初中二元一次方程组题100道附带答案1)66x+17y=396725x+y=1200答案:x=48 y=47(2) 18x+23y=2303 74x-y=1998答案:x=27 y=79 44x+90y=779644x+y=3476答案:x=79 y=48 (4) 76x-66y=408230x-y=2940答案:x=98 y=51 67x+54y=854671x-y=5680答案:x=80 y=59(6)42x-95y=-1410 21x-y=1575答案:x=75 y=48(7)47x-40y=85334x-y=2006答案:x=59 y=4875x+y=4950 答案:x=66 y=95
2、 97x+24y=720258x-y=2900答案:x=50 y=98(10)42x+85y=636263x-y=1638答案:x=26 y=62(11)85x-92y=-251827x-y=486答案:x=18 y=44(12)79x+40y=241956x-y=1176答案:x=21 y=19(13)80x-87y=215622x-y=880答案:x=40 y=12(14)32x+62y=513457x+y=2850答案:x=50 y=57(15)83x-49y=8259x+y=2183答案:x=37 y=61(16)91x+70y=5845 95x-y=4275答案:x=45 y=25(
3、17)29x+44y=528188x-y=3608答案:x=41 y=93(18)25x-95y=-435540x-y=2000答案:x=50 y=59(19)54x+68y=3284 78x+y=1404答案:x=18 y=34(20)70x+13y=3520 52x+y=2132答案:x=41 y=50(21)48x-54y=-3186 24x+y=1080 答案:x=45 y=99(22)36x+77y=761947x-y=799答案:x=17 y=91(23)13x-42y=-271731x-y=1333答案: x=43 y=78(24)28x+28y=333252x-y=4628答案
4、: x=89 y=30(25)62x-98y=-256446x-y=2024答案: x=44 y=54(26)79x-76y=-438826x-y=832答案: x=32 y=91(27)63x-40y=-82142x-y=546答案: x=13 y=41(28)69x-96y=-120942x+y=3822答案: x=91 y=78(29)85x+67y=733811x+y=308答案: x=28 y=74 (30) 78x+74y=1292814x+y=1218答案:x=87 y=83(31)39x+42y=533159x-y=5841答案:x=99 y=35(32)29x+18y=191
5、658x+y=2320答案:x=40 y=42(33)40x+31y=604345x-y=3555答案:x=79 y=93(34)47x+50y=859845x+y=3780答案:x=84 y=93(35)45x-30y=-145529x-y=725答案:x=25 y=86(36)11x-43y=-136147x+y=799答案:x=17y=36(37)33x+59y=325494x+y=1034答案:x=11 y=49(38)89x-74y=-2735 68x+y=1020答案:x=15 y=55(39)94x+71y=7517 78x+y=3822答案:x=49 y=41(40)28x-6
6、2y=-4934 46x+y=552 答案:x=12 y=85(41)75x+43y=8472 17x-y=1394答案:x=82 y=54(42)41x-38y=-1180 29x+y=1450答案:x=50 y=85(43)22x-59y=82463x+y=4725答案:x=75 y=14(44)95x-56y=-40190x+y=1530 答案:x=17 y=36(45)93x-52y=-85229x+y=464答案:x=16 y=45(46)93x+12y=882354x+y=4914答案:x=91 y=30(47)21x-63y=8420x+y=1880答案:x=94 y=30(48
7、)48x+93y=975638x-y=950答案:x=25 y=92(49)99x-67y=401175x-y=5475答案:x=73 y=48(50)83x+64y=929190x-y=3690答案:x=41 y=92(51)17x+62y=321675x-y=7350答案:x=98 y=25(52)77x+67y=273914x-y=364答案:x=26 y=11(53)20x-68y=-459614x-y=924答案:x=66 y=87(54)23x+87y=411083x-y=5727答案:x=69 y=29(55)22x-38y=80486x+y=6708答案:x=78 y=24(5
8、6)20x-45y=-352056x+y=728答案:x=13 y=84(57)46x+37y=708561x-y=4636答案:x=76 y=97(58)17x+61y=408871x+y=5609答案:x=79 y=45(59)51x-61y=-190789x-y=2314 答案:x=26 y=53(60)69x-98y=-240421x+y=1386答案:x=66 y=71(61)15x-41y=75474x-y=6956答案:x=94 y=16(62)78x-55y=65689x+y=5518答案:x=62 y=76(63)29x+21y=163331x-y=713答案:x=23 y=
9、46(64)58x-28y=272435x+y=3080答案:x=88 y=85(65)28x-63y=-225488x-y=2024答案:x=23 y=46(66)43x+50y=7064 85x+y=8330答案:x=98 y=57(67)58x-77y=117038x-y=2280答案:x=60 y=30(68)92x+83y=1158643x+y=3010答案:x=70 y=62(69)99x+82y=605552x-y=1716答案:x=33 y=34(70)15x+26y=172994x+y=8554答案:x=91 y=14(71)64x+32y=355256x-y=2296答案:
10、x=41 y=29(72)94x+66y=1052484x-y=7812答案:x=93 y=27(73)65x-79y=-581589x+y=2314 答案:x=26 y=95(74) 96x+54y=6216 63x-y=1953答案:x=31 y=60(75)60x-44y=-35233x-y=1452答案:x=44 y=68(76)79x-45y=51014x-y=840答案:x=60 y=94(77)29x-35y=-21859x-y=4897答案:x=83 y=75(78)33x-24y=190530x+y=2670答案:x=89 y=43(79)61x+94y=1180093x+y
11、=5952答案:x=64 y=84(80)61x+90y=500148x+y=2448答案:x=51 y=21 (81) 93x-19y=286x-y=1548答案:x=18 y=88(82)19x-96y=-591030x-y=2340答案:x=78 y=77(83)80x+74y=808896x-y=8640答案:x=90 y=12(84)53x-94y=194645x+y=2610答案:x=58 y=12(85)93x+12y=911728x-y=2492答案:x=89 y=70(86)66x-71y=-167399x-y=7821答案:x=79 y=97(87)43x-52y=-174
12、276x+y=1976答案:x=26 y=55(88)70x+35y=8295 40x+y=2920答案:x=73 y=91(89)43x+82y=475711x+y=231答案:x=21 y=47(90)12x-19y=23695x-y=7885答案:x=83 y=40(91)51x+99y=803171x-y=2911答案:x=41 y=60(92)37x+74y=440369x-y=6003答案:x=87 y=16(93)46x+34y=482071x-y=5183答案:x=73 y=43(94)47x+98y=586155x-y=4565答案:x=83 y=20(95)30x-17y=23928x+y=1064答案:x=38 y=53(96) 55x-12y=4112 79x-y=7268答案:x=92 y=79(97)27x-24y=-45067x-y=3886答案:x=58 y=84(98)97x+23y=811914x+y=966答案:x=69 y=62(99)84x+53y=1127570x+y=6790答案:x=97 y=59(100)51x-97y=29719x-y=1520答案:x=80 y=39
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