Question

有《二十道简便运算题》的题和答案吗？

Answer 1

• 1) 66x+17y=3967
  25x+y=1200
  答案：x=48 y=4、

• (2) 18x+23y=2303
  74x-y=1998
  答案：x=27 y=79

• (3) 44x+90y=7796
  44x+y=3476
  答案：x=79 y=48 

• (4) 76x-66y=4082
  30x-y=2940
  答案：x=98 y=51 

• (5) 67x+54y=8546
  71x-y=5680
  答案：x=80 y=59

• (6) 42x-95y=-1410
  21x-y=1575
  答案：x=75 y=48

• (7) 47x-40y=853
  34x-y=2006
  答案：x=59 y=48 

• (8) 19x-32y=-1786
  75x+y=4950
  答案：x=66 y=95

• (9) 97x+24y=7202
  58x-y=2900
  答案：x=50 y=98 

• (10) 42x+85y=6362
  63x-y=1638
  答案：x=26 y=62 

• (11) 85x-92y=-2518
  27x-y=486
  答案：x=18 y=44 

• (12) 79x+40y=2419
  56x-y=1176
  答案：x=21 y=19 

• (13) 80x-87y=2156
  22x-y=880
  答案：x=40 y=12

• (14) 32x+62y=5134
  57x+y=2850
  答案：x=50 y=57 

• (15) 83x-49y=82
  59x+y=2183
  答案：x=37 y=61 

• (16) 91x+70y=5845
  95x-y=4275
  答案：x=45 y=25

• (17) 29x+44y=5281
  88x-y=3608
  答案：x=41 y=93 

• (18) 25x-95y=-4355
  40x-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 

• 48x-54y=-3186 24x+y=1080 答案：x=45 y=99 

• 36x+77y=7619 47x-y=799 答案：x=17 y=91 (

• 13x-42y=-2717  31x-y=1333 答案：x=43 y=78 

• 28x+28y=3332 52x-y=4628 答案：x=89 y=30 

• 62x-98y=-2564 46x-y=2024 答案：x=44 y=54 

• 79x-76y=-4388 26x-y=832 答案：x=32 y=91

• 63x-40y=-821 42x-y=546 答案：x=13 y=41

• 69x-96y=-1209 42x+y=3822 答案：x=91 y=78 

• 85x+67y=7338 11x+y=308 答案：x=28 y=74 

• 78x+74y=12928 14x+y=1218 答案：x=87 y=83

Answer 2

1) 66x+17y=3967 

25x+y=1200 

答案：x=48 y=47 

(2) 18x+23y=2303 

74x-y=1998 

答案：x=27 y=79 

(3) 44x+90y=7796 

44x+y=3476 

答案：x=79 y=48 

(4) 76x-66y=4082 

30x-y=2940 

答案：x=98 y=51 

(5) 67x+54y=8546 

71x-y=5680 

答案：x=80 y=59 

(6) 42x-95y=-1410 

21x-y=1575 

答案：x=75 y=48 

(7) 47x-40y=853 

34x-y=2006 

答案：x=59 y=48 

(8) 19x-32y=-1786 

75x+y=4950 

答案：x=66 y=95 

(9) 97x+24y=7202 

58x-y=2900 

答案：x=50 y=98 

(10) 42x+85y=6362 

63x-y=1638 

答案：x=26 y=62 

(11) 85x-92y=-2518 

27x-y=486 

答案：x=18 y=44 

(12) 79x+40y=2419 

56x-y=1176 

答案：x=21 y=19 

(13) 80x-87y=2156 

22x-y=880 

答案：x=40 y=12 

(14) 32x+62y=5134 

57x+y=2850 

答案：x=50 y=57 

(15) 83x-49y=82 

59x+y=2183 

答案：x=37 y=61 

(16) 91x+70y=5845 

95x-y=4275 

答案：x=45 y=25 

(17) 29x+44y=5281 

88x-y=3608 

答案：x=41 y=93 

(18) 25x-95y=-4355 

40x-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