jacky
1)66x+17y=3967
25x+y=1200
答案：x=48y=47
(2)18x+23y=2303
74x-y=1998
答案：x=27y=79
(3)44x+90y=7796
44x+y=3476
答案：x=79y=48
(4)76x-66y=4082
30x-y=2940
答案：x=98y=51
(5)67x+54y=8来自546
71x-y=5680
答案：x=80y=5360问答9
(6)42x-95y=-1410
21x-y=1575
答案：x=75y=48
(7)47x-40y=853
34x-y=2006
答案：x=59y=48
(8)19x-32y=-17民损已头管宜城86
75x+y=4950
答案：x=66y=95
(9)97x+24y=7202
58x-y=2900
答案银连推读：x=50y=98
(10)42x+85y=6362
63x-y=1638
答案：x=26y=62
(11)85x-92y=-2518
27x-y=486
答案：x=18y=44
(12)79x+40y=2419
56x-y=1176
答案：x=21y=19
(13)80x-87y=2156
22x-y=880
答案：x=40y=12
(14)32x+62y=5134
57x+y=2850
答案：x=50y=57
(15)83x-49y=82
59x+y=2183
答案：x=37y=61
