文档介绍：七年级数学计算题
1)66x+17y=3967
(5)67x+54y=8546
25x+y=1200
71x-y=5680
(6)42x-95y=-1410
七年级数学计算题
1)66x+17y=3967
(5)67x+54y=8546
25x+y=1200
71x-y=5680
(6)42x-95y=-1410
(2)18x+23y=230321x-y=1575
74x-y=1998
(7)47x-40y=853
(3)44x+90y=779634x-y=200644x+y=3476
(4)76x-66y=4082
(8)19x-32y=-1786
30x-y=2940
75x+y=4950
(9)97x+24y=7202
(13)80x-87y=2156
58x-y=2900
22x-y=880
(10)42x+85y=6362
(14)32x+62y=5134
63x-y=1638
57x+y=2850
(11)85x-92y=-2518
(15)83x-49y=82
27x-y=486
59x+y=2183
(12)79x+40y=2419
(16)91x+70y=5845
56x-y=1176
95x-y=4275
(17)29x+44y=5281
(21)48x-54y=-3186
88x-y=3608
24x+y=1080
(18)25x-95y=-4355
(22)36x+77y=7619
40x-y=2000
47x-y=799
(19)54x+68y=3284
(23)13x-42y=-2717
78x+y=1404
31x-y=1333
(20)70x+13y=3520
(24)28x+28y=3332
52x+y=2132
52x-y=4628
(25)62x-98y=-2564
(29)85x+67y=7338
46x-y=2024
11x+y=308
(26)79x-76y=-4388
(30)78x+74y=12928
26x-y=832
14x+y=121