求200道二元一次方程和200道一元一次不等式练习题（简单点的）

1.2x+y=3
4x-3y=5
2.x+y=2
2x+3y=5
3.5x+45-y=1
x-y=-45
4.y+x+1=32
x-y=10
5.4(2x-y)=5
4x-y=3
6.0.5x+0.5y=1
1.5x-y=1
7.56x+23y=64
14x-21y=10
8.5x+5y=10
x-y=0
9.32.1x-7y=8
71.3y-65x=90
10.x+y-45=91
5x-3y=23
(1) 66x+17y=3967
25x+y=1200

(2) 18x+23y=2303
74x-y=1998

(3) 44x+90y=7796
44x+y=3476

(4) 76x-66y=4082
30x-y=2940
(5) 67x+54y=8546
71x-y=5680

(6) 42x-95y=-1410
21x-y=1575

(7) 47x-40y=853
34x-y=2006

(8) 19x-32y=-1786
75x+y=4950
(9) 97x+24y=7202
58x-y=2900

(10) 42x+85y=6362
63x-y=1638

(11) 85x-92y=-2518
27x-y=486

(12) 79x+40y=2419
56x-y=1176

(13) 80x-87y=2156
22x-y=880

(14) 32x+62y=5134
57x+y=2850

(15) 83x-49y=82
59x+y=2183

(16) 91x+70y=5845
95x-y=4275

(17) 29x+44y=5281
88x-y=3608

(18) 25x-95y=-4355
40x-y=2000

(19) 54x+68y=3284
78x+y=1404

(20) 70x+13y=3520
52x+y=2132

(21) 48x-54y=-3186
24x+y=1080

(22) 36x+77y=7619
47x-y=799

(23) 13x-42y=-2717
31x-y=1333

(24) 28x+28y=3332
52x-y=4628

(25) 62x-98y=-2564
46x-y=2024

(26) 79x-76y=-4388
26x-y=832

(27) 63x-40y=-821
42x-y=546
(28) 69x-96y=-1209
42x+y=3822

(29) 85x+67y=7338
11x+y=308
(30) 78x+74y=12928
14x+y=1218

(31) 39x+42y=5331
59x-y=5841

(32) 29x+18y=1916
58x+y=2320

(33) 40x+31y=6043
45x-y=3555

(34) 47x+50y=8598
45x+y=3780

(35) 45x-30y=-1455
29x-y=725

(36) 11x-43y=-1361
47x+y=799

(37) 33x+59y=3254
94x+y=1034

(38) 89x-74y=-2735
68x+y=1020

(39) 94x+71y=7517
78x+y=3822
(40) 28x-62y=-4934
46x+y=552

(41) 75x+43y=8472
17x-y=1394

(42) 41x-38y=-1180
29x+y=1450

(43) 22x-59y=824
63x+y=4725

(44) 95x-56y=-401
90x+y=1530

(45) 93x-52y=-852
29x+y=464

(46) 93x+12y=8823
54x+y=4914

(47) 21x-63y=84
20x+y=1880

(48) 48x+93y=9756
38x-y=950

(49) 99x-67y=4011
75x-y=5475

(50) 83x+64y=9291
90x-y=3690

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