二元一次方程组算数题100道带答案 100道二元一次方程组 有过程 有答案

\u89e3\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4100\u9053\u53ca\u7b54\u6848

(1) 66x+17y=3967
25x+y=1200
\u7b54\u6848\uff1ax=48 y=47
(2) 18x+23y=2303
74x-y=1998
\u7b54\u6848\uff1ax=27 y=79
(3) 44x+90y=7796
44x+y=3476
\u7b54\u6848\uff1ax=79 y=48
(4) 76x-66y=4082
30x-y=2940
\u7b54\u6848\uff1ax=98 y=51
(5) 67x+54y=8546
71x-y=5680
\u7b54\u6848\uff1ax=80 y=59
(6) 42x-95y=-1410
21x-y=1575
\u7b54\u6848\uff1ax=75 y=48
(7) 47x-40y=853
34x-y=2006
\u7b54\u6848\uff1ax=59 y=48
(8) 19x-32y=-1786
75x+y=4950
\u7b54\u6848\uff1ax=66 y=95
(9) 97x+24y=7202
58x-y=2900
\u7b54\u6848\uff1ax=50 y=98
(10) 42x+85y=6362
63x-y=1638
\u7b54\u6848\uff1ax=26 y=62
(11) 85x-92y=-2518
27x-y=486
\u7b54\u6848\uff1ax=18 y=44
(12) 79x+40y=2419
56x-y=1176
\u7b54\u6848\uff1ax=21 y=19
(13) 80x-87y=2156
22x-y=880
\u7b54\u6848\uff1ax=40 y=12
(14) 32x+62y=5134
57x+y=2850
\u7b54\u6848\uff1ax=50 y=57
(15) 83x-49y=82
59x+y=2183
\u7b54\u6848\uff1ax=37 y=61
(16) 91x+70y=5845
95x-y=4275
\u7b54\u6848\uff1ax=45 y=25
(17) 29x+44y=5281
88x-y=3608
\u7b54\u6848\uff1ax=41 y=93
(18) 25x-95y=-4355
40x-y=2000
\u7b54\u6848\uff1ax=50 y=59
(19) 54x+68y=3284
78x+y=1404
\u7b54\u6848\uff1ax=18 y=34
(20) 70x+13y=3520
52x+y=2132
\u7b54\u6848\uff1ax=41 y=50
(21) 48x-54y=-3186
24x+y=1080
\u7b54\u6848\uff1ax=45 y=99
(22) 36x+77y=7619
47x-y=799
\u7b54\u6848\uff1ax=17 y=91
(23) 13x-42y=-2717
31x-y=1333
\u7b54\u6848\uff1ax=43 y=78
(24) 28x+28y=3332
52x-y=4628
\u7b54\u6848\uff1ax=89 y=30
(25) 62x-98y=-2564
46x-y=2024
\u7b54\u6848\uff1ax=44 y=54
(26) 79x-76y=-4388
26x-y=832
\u7b54\u6848\uff1ax=32 y=91
(27) 63x-40y=-821
42x-y=546
\u7b54\u6848\uff1ax=13 y=41
(28) 69x-96y=-1209
42x+y=3822
\u7b54\u6848\uff1ax=91 y=78
(29) 85x+67y=7338
11x+y=308
\u7b54\u6848\uff1ax=28 y=74
(30) 78x+74y=12928
14x+y=1218
\u7b54\u6848\uff1ax=87 y=83
(31) 39x+42y=5331
59x-y=5841
\u7b54\u6848\uff1ax=99 y=35
(32) 29x+18y=1916
58x+y=2320
\u7b54\u6848\uff1ax=40 y=42

\u9a6c\u4e0a

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
答案：x=41 y=50
(21) 48x-54y=-3186
24x+y=1080
答案：x=45 y=99
(22) 36x+77y=7619
47x-y=799
答案：x=17 y=91
(23) 13x-42y=-2717
31x-y=1333
答案：x=43 y=78
(24) 28x+28y=3332
52x-y=4628
答案：x=89 y=30
(25) 62x-98y=-2564
46x-y=2024
答案：x=44 y=54
(26) 79x-76y=-4388
26x-y=832
答案：x=32 y=91
(27) 63x-40y=-821
42x-y=546
答案：x=13 y=41
(28) 69x-96y=-1209
42x+y=3822
答案：x=91 y=78
(29) 85x+67y=7338
11x+y=308
答案：x=28 y=74
(30) 78x+74y=12928
14x+y=1218
答案：x=87 y=83
(31) 39x+42y=5331
59x-y=5841
答案：x=99 y=35
(32) 29x+18y=1916
58x+y=2320
答案：x=40 y=42
(33) 40x+31y=6043
45x-y=3555
答案：x=79 y=93
(34) 47x+50y=8598
45x+y=3780
答案：x=84 y=93
(35) 45x-30y=-1455
29x-y=725
答案：x=25 y=86
(36) 11x-43y=-1361
47x+y=799
答案：x=17 y=36
(37) 33x+59y=3254
94x+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-62y=-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=824
63x+y=4725
答案：x=75 y=14
(44) 95x-56y=-401
90x+y=1530
答案：x=17 y=36
(45) 93x-52y=-852
29x+y=464
答案：x=16 y=45
(46) 93x+12y=8823
54x+y=4914
答案：x=91 y=30
(47) 21x-63y=84
20x+y=1880
答案：x=94 y=30
(48) 48x+93y=9756
38x-y=950
答案：x=25 y=92
(49) 99x-67y=4011
75x-y=5475
答案：x=73 y=48
(50) 83x+64y=9291
90x-y=3690
答案：x=41 y=92

(51) 17x+62y=3216
75x-y=7350
答案：x=98 y=25
(52) 77x+67y=2739
14x-y=364
答案：x=26 y=11
(53) 20x-68y=-4596
14x-y=924
答案：x=66 y=87
(54) 23x+87y=4110
83x-y=5727
答案：x=69 y=29
(55) 22x-38y=804
86x+y=6708
答案：x=78 y=24
(56) 20x-45y=-3520
56x+y=728
答案：x=13 y=84
(57) 46x+37y=7085
61x-y=4636
答案：x=76 y=97
(58) 17x+61y=4088
71x+y=5609
答案：x=79 y=45

(59) 51x-61y=-1907
89x-y=2314
答案：x=26 y=53
(60) 69x-98y=-2404
21x+y=1386
答案：x=66 y=71
(61) 15x-41y=754
74x-y=6956
答案：x=94 y=16
(62) 78x-55y=656
89x+y=5518
答案：x=62 y=76
(63) 29x+21y=1633
31x-y=713
答案：x=23 y=46
(64) 58x-28y=2724
35x+y=3080
答案：x=88 y=85
(65) 28x-63y=-2254
88x-y=2024
答案：x=23 y=46
(66) 43x+50y=7064
85x+y=8330
答案：x=98 y=57
(67) 58x-77y=1170
38x-y=2280
答案：x=60 y=30
(68) 92x+83y=11586
43x+y=3010
答案：x=70 y=62
(69) 99x+82y=6055
52x-y=1716
答案：x=33 y=34
(70) 15x+26y=1729
94x+y=8554
答案：x=91 y=14
(71) 64x+32y=3552
56x-y=2296
答案：x=41 y=29
(72) 94x+66y=10524
84x-y=7812
答案：x=93 y=27
(73) 65x-79y=-5815
89x+y=2314
答案：x=26 y=95
(74) 96x+54y=6216
63x-y=1953
答案：x=31 y=60
(75) 60x-44y=-352
33x-y=1452
答案：x=44 y=68
(76) 79x-45y=510
14x-y=840
答案：x=60 y=94
(77) 29x-35y=-218
59x-y=4897
答案：x=83 y=75
(78) 33x-24y=1905
30x+y=2670
答案：x=89 y=43
(79) 61x+94y=11800
93x+y=5952
答案：x=64 y=84
(80) 61x+90y=5001
48x+y=2448
答案：x=51 y=21
(81) 93x-19y=2
86x-y=1548
答案：x=18 y=88
(82) 19x-96y=-5910
30x-y=2340
答案：x=78 y=77
(83) 80x+74y=8088
96x-y=8640
答案：x=90 y=12
(84) 53x-94y=1946
45x+y=2610
答案：x=58 y=12
(85) 93x+12y=9117
28x-y=2492
答案：x=89 y=70
(86) 66x-71y=-1673
99x-y=7821
答案：x=79 y=97
(87) 43x-52y=-1742
76x+y=1976
答案：x=26 y=55
(88) 70x+35y=8295
40x+y=2920
答案：x=73 y=91
(89) 43x+82y=4757
11x+y=231
答案：x=21 y=47
(90) 12x-19y=236
95x-y=7885
答案：x=83 y=40
(91) 51x+99y=8031
71x-y=2911
答案：x=41 y=60
(92) 37x+74y=4403
69x-y=6003
答案：x=87 y=16
(93) 46x+34y=4820
71x-y=5183
答案：x=73 y=43
(94) 47x+98y=5861
55x-y=4565
答案：x=83 y=20
(95) 30x-17y=239
28x+y=1064
答案：x=38 y=53
(96) 55x-12y=4112
79x-y=7268
答案：x=92 y=79
(97) 27x-24y=-450
67x-y=3886
答案：x=58 y=84
(98) 97x+23y=8119
14x+y=966
答案：x=69 y=62
(99) 84x+53y=11275
70x+y=6790
答案：x=97 y=59
(100) 51x-97y=297
19x-y=1520
答案：x=80 y=39

3x+y=4 与 x-y=2
x+y-1=0与 2x-y=5
x+y-4=0 与 x-y+2=0
6x+2y=1 与 2x-y=2
x-3y-2=0 与 2x-5y=0
x+y=0 与 2x-y=6
x+y=12 与 2x-y=0
x-3y-7=0与 2x+y+2=0
8x-y=2与 x-4y=3
2x+y-3=0 与 2x-y+1=0
7x+y+5=0 与 x-9y=1
2x+2y=3 与 2x-y=1
x-6y-4=0 与 2x+y=3
3x+y+1=0与 x-3y=0
4x+5y-5=0与 5x-4y=3
x+3y=20 与 x-5y=10
2x-7y=0 与 5x-y=2
4x+y-4=0 与 5x-y-2=0
5x-3y+4=0 与 3x+5y+6=0
10x+y=4 与 2x-7y-20=0(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
答案：x=41 y=50
(21) 48x-54y=-3186
24x+y=1080
答案：x=45 y=99
(22) 36x+77y=7619
47x-y=799
答案：x=17 y=91
(23) 13x-42y=-2717
31x-y=1333
答案：x=43 y=78
(24) 28x+28y=3332
52x-y=4628
答案：x=89 y=30
(25) 62x-98y=-2564
46x-y=2024
答案：x=44 y=54
(26) 79x-76y=-4388
26x-y=832
答案：x=32 y=91
(27) 63x-40y=-821
42x-y=546
答案：x=13 y=41
(28) 69x-96y=-1209
42x+y=3822
答案：x=91 y=78
(29) 85x+67y=7338
11x+y=308
答案：x=28 y=74
(30) 78x+74y=12928
14x+y=1218
答案：x=87 y=83
(31) 39x+42y=5331
59x-y=5841
答案：x=99 y=35
(32) 29x+18y=1916
58x+y=2320
答案：x=40 y=42
(33) 40x+31y=6043
45x-y=3555
答案：x=79 y=93
(34) 47x+50y=8598
45x+y=3780
答案：x=84 y=93
(35) 45x-30y=-1455
29x-y=725
答案：x=25 y=86
(36) 11x-43y=-1361
47x+y=799
答案：x=17 y=36
(37) 33x+59y=3254
94x+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-62y=-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=824
63x+y=4725
答案：x=75 y=14
(44) 95x-56y=-401
90x+y=1530
答案：x=17 y=36
(45) 93x-52y=-852
29x+y=464
答案：x=16 y=45 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
答案：x=41 y=50
(21) 48x-54y=-3186
24x+y=1080
答案：x=45 y=99
(22) 36x+77y=7619
47x-y=799
答案：x=17 y=91
(23) 13x-42y=-2717
31x-y=1333
答案：x=43 y=78
(24) 28x+28y=3332
52x-y=4628
答案：x=89 y=30
(25) 62x-98y=-2564
46x-y=2024
答案：x=44 y=54
(26) 79x-76y=-4388
26x-y=832
答案：x=32 y=91
(27) 63x-40y=-821
42x-y=546
答案：x=13 y=41
(28) 69x-96y=-1209
42x+y=3822
答案：x=91 y=78
(29) 85x+67y=7338
11x+y=308
答案：x=28 y=74
(30) 78x+74y=12928
14x+y=1218
答案：x=87 y=83
(31) 39x+42y=5331
59x-y=5841
答案：x=99 y=35
(32) 29x+18y=1916
58x+y=2320
答案：x=40 y=42
(33) 40x+31y=6043
45x-y=3555
答案：x=79 y=93
(34) 47x+50y=8598
45x+y=3780
答案：x=84 y=93
(35) 45x-30y=-1455
29x-y=725
答案：x=25 y=86
(36) 11x-43y=-1361
47x+y=799
答案：x=17 y=36
(37) 33x+59y=3254
94x+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-62y=-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=824
63x+y=4725
答案：x=75 y=14
(44) 95x-56y=-401
90x+y=1530
答案：x=17 y=36
(45) 93x-52y=-852
29x+y=464
答案：x=16 y=45
(46) 93x+12y=8823
54x+y=4914
答案：x=91 y=30
(47) 21x-63y=84
20x+y=1880
答案：x=94 y=30
(48) 48x+93y=9756
38x-y=950
答案：x=25 y=92
(49) 99x-67y=4011
75x-y=5475
答案：x=73 y=48
(50) 83x+64y=9291
90x-y=3690
答案：x=41 y=92

(51) 17x+62y=3216
75x-y=7350
答案：x=98 y=25
(52) 77x+67y=2739
14x-y=364
答案：x=26 y=11
(53) 20x-68y=-4596
14x-y=924
答案：x=66 y=87
(54) 23x+87y=4110
83x-y=5727
答案：x=69 y=29
(55) 22x-38y=804
86x+y=6708
答案：x=78 y=24
(56) 20x-45y=-3520
56x+y=728
答案：x=13 y=84
(57) 46x+37y=7085
61x-y=4636
答案：x=76 y=97
(58) 17x+61y=4088
71x+y=5609
答案：x=79 y=45
(59) 51x-61y=-1907
89x-y=2314
答案：x=26 y=53
(60) 69x-98y=-2404
21x+y=1386
答案：x=66 y=71
(61) 15x-41y=754
74x-y=6956
答案：x=94 y=16
(62) 78x-55y=656
89x+y=5518
答案：x=62 y=76
(63) 29x+21y=1633
31x-y=713
答案：x=23 y=46
(64) 58x-28y=2724
35x+y=3080
答案：x=88 y=85
(65) 28x-63y=-2254
88x-y=2024
答案：x=23 y=46
(66) 43x+50y=7064
85x+y=8330
答案：x=98 y=57
(67) 58x-77y=1170
38x-y=2280
答案：x=60 y=30
(68) 92x+83y=11586
43x+y=3010
答案：x=70 y=62
(69) 99x+82y=6055
52x-y=1716
答案：x=33 y=34
(70) 15x+26y=1729
94x+y=8554
答案：x=91 y=14
(71) 64x+32y=3552
56x-y=2296
答案：x=41 y=29
(72) 94x+66y=10524
84x-y=7812
答案：x=93 y=27
(73) 65x-79y=-5815
89x+y=2314
答案：x=26 y=95
(74) 96x+54y=6216
63x-y=1953
答案：x=31 y=60
(75) 60x-44y=-352
33x-y=1452
答案：x=44 y=68
(76) 79x-45y=510
14x-y=840
答案：x=60 y=94
(77) 29x-35y=-218
59x-y=4897
答案：x=83 y=75
(78) 33x-24y=1905
30x+y=2670
答案：x=89 y=43
(79) 61x+94y=11800
93x+y=5952
答案：x=64 y=84
(80) 61x+90y=5001
48x+y=2448
答案：x=51 y=21
(81) 93x-19y=2
86x-y=1548
答案：x=18 y=88
(82) 19x-96y=-5910
30x-y=2340
答案：x=78 y=77
(83) 80x+74y=8088
96x-y=8640
答案：x=90 y=12
(84) 53x-94y=1946
45x+y=2610
答案：x=58 y=12
(85) 93x+12y=9117
28x-y=2492
答案：x=89 y=70
(86) 66x-71y=-1673
99x-y=7821
答案：x=79 y=97
(87) 43x-52y=-1742
76x+y=1976
答案：x=26 y=55
(88) 70x+35y=8295
40x+y=2920
答案：x=73 y=91
(89) 43x+82y=4757
11x+y=231
答案：x=21 y=47
(90) 12x-19y=236
95x-y=7885
答案：x=83 y=40
(91) 51x+99y=8031
71x-y=2911
答案：x=41 y=60
(92) 37x+74y=4403
69x-y=6003
答案：x=87 y=16
(93) 46x+34y=4820
71x-y=5183
答案：x=73 y=43
(94) 47x+98y=5861
55x-y=4565
答案：x=83 y=20
(95) 30x-17y=239
28x+y=1064
答案：x=38 y=53
(96) 55x-12y=4112
79x-y=7268
答案：x=92 y=79
(97) 27x-24y=-450
67x-y=3886
答案：x=58 y=84
(98) 97x+23y=8119
14x+y=966
答案：x=69 y=62
(99) 84x+53y=11275
70x+y=6790
答案：x=97 y=59
(100) 51x-97y=297
19x-y=1520
答案：x=80 y=39

浜屽厓涓娆℃柟绋嬮,瑕佹湁绛旀,鎷╁杽鑰屼粠
绛旓細13銆 鐨绠楁湳骞虫柟鏍规槸0.14. 14銆 X3鐨勭珛鏂规牴鏄疿. 10銆佷竴涓暟鐨勫钩鏂规牴鏈変袱涓,瀹冧滑浜掍负鐩稿弽鏁. 浜屻侀夋嫨棰(姣忓皬棰4鍒,鍏40鍒) 11銆佷笅鍒楀悇鏂圭▼鍝釜鏄簩鍏冧竴娆℃柟绋( ) A銆 x-B銆 =1 B銆亁y=2 C銆4x2-C銆 y=3 D銆 . 12銆浜屽厓涓娆℃柟绋嬬粍 鐨勮В鏄---( ) A. B. C. D. 13銆佷笅鍒楁柟绋嬬粍涓,...

浜屽厓涓娆℃柟绋嬬粍涔犻(杩囩▼)50涓
绛旓細(1) 66x+17y=3967 25x+y=1200 绛旀锛歺=48 y=47 (2) 18x+23y=2303 74x-y=1998 绛旀锛歺=27 y=79 (3) 44x+90y=7796 44x+y=3476 绛旀锛歺=79 y=48 (4) 76x-66y=4082 30x-y=2940 绛旀锛歺=98 y=51 (5) 67x+54y=8546 71x-y=5680 绛旀锛歺=80 y=59 (6) 42x-95y...

浜屽厓涓娆℃柟绋嬮,瑕佹湁绛旀
绛旓細1銆 鏂圭▼x+y = 0鏄浜屽厓涓娆℃柟绋. 2銆 鍦ㄦ柟绋4x鈥3y=1涓,3銆 褰搙=1鏃,4銆 y=1. 5銆 瑙 鏄柟绋媥-6y+4=0鐨勪竴涓В. 6銆 X >3鏄竴鍏冧竴娆′笉7銆 绛夊紡X+1>4鐨勮В闆. 8銆 宸茬煡X>Y,鍒-X<-Y. 9銆 涓10銆 绛夊紡4X<-2鐨勮В闆嗘槸X<- 11銆 X=2鏄笉12銆 绛夊紡X+2<3鐨勮В. 13銆 鐨绠楁湳骞...

鍑犻亾浜屽厓涓娆℃柟绋嬬粍绠楁湳棰 姹傝В,甯屾湜鏈夎缁嗚В棰樿繃绋
绛旓細3s+2t=7 鈶 2s-t=7 鈶 鈶+鈶*2寰7s=21 瑙ｅ緱s=3锛屼唬鍏モ憼锛岃В寰 t=-1 鈭磗=3锛宼=-1 鍏朵粬棰樼洰瑙ｆ硶鍏堝寲绠锛屽啀娑堝厓銆傝闃佷笅鑷繁鍏堢粌涔狅紝瀹炲湪鏈夊洶闅剧殑鍙拷闂紝鍐嶇粰鎻愮ず銆

甯垜鎼10閬浜屽厓涓娆℃柟绋嬬粍绠楁湳棰(瑕佹湁璇﹁В)
绛旓細x=60 y=100 (4)3x=4y x-3x=5 -2x=5 x=-5/2 y=-15/8 {5a+4b=15 鈶 {2a -3b=1 鈶 鐢扁憼脳2锛屸憽脳5寰 {10a+8b=30 鈶 {10a-15b=5 鈶 鐢扁憿-鈶ｅ緱 23b=25 b=25/23 a=9/23 1.锛6x+12y=72 2.-4x-6y+=-24 2寮忎箻浠2寰3寮忥細-8x-12y=-48 1寮忎笌3寮忕浉鍔犲緱锛-6x...

浜屽厓涓娆℃柟绋嬬粍鐨勮В鏈夊摢浜?
绛旓細浜屽厓涓娆℃柟绋嬬粍鐨勮В鍙栧喅浜庢秷鍏冨悗鐨勪竴鍏冧竴娆℃柟绋嬬殑瑙ｇ殑鎯呭喌銆傝鎯呭鍥炬墍绀:浜屽厓涓娆℃柟绋嬪搴旂殑鍥惧舰鏄洿绾裤備唬鏁拌В鍐虫柟妗堜笌鍑犱綍鎰忎箟瑙ｈ 渚涘弬鑰冿紝璇风瑧绾炽

姹100閬鍒濅腑璇曢,鐢浜屽厓涓娆℃柟绋瑙ｇ殑
绛旓細涓銆侀夋嫨棰1.(2012•寰峰窞)宸茬煡 ,鍒檃+b绛変簬( ) A. 3 B. C. 2 D. 1鑰冪偣: 瑙浜屽厓涓娆℃柟绋嬬粍銆備笓棰: 璁＄畻棰銆傚垎鏋: 鈶+鈶″緱鍑4a+4b=12,鏂圭▼鐨勪袱杈归兘闄や互4鍗冲彲寰楀嚭绛旀.瑙ｇ瓟: 瑙: ,鈭碘憼+鈶″緱:4a+4b=12,鈭碼+b=3.鏁呴堿.鐐硅瘎: 鏈鑰冩煡浜嗚В浜屽厓涓娆℃柟绋嬬粍鐨勫簲鐢,鍏抽敭鏄鏌ュ鐢熻兘鍚﹁繍鐢ㄥ阀濡...

鍒濅竴 浜屽厓涓娆℃柟绋 鏁板棰
绛旓細璁捐矾闀縳绫筹紝鏍戞湁y妫碉紝鏍规嵁棰樻剰寰鏂圭▼缁锛氾紙x梅3+1)脳2=y-3 (x梅2.5+1锛壝2=y+77 瑙ｅ緱锛歺=600 y=405 璺暱x绫抽櫎浠3绫筹紝寰楀嚭鏈夊灏戜釜3绫崇殑绌烘尅锛岃繖鏄皬瀛绠楁湳閲岀殑妞嶆爲闂锛岃繖涔堝绌烘尅鍔犱笂璧风偣鐨勪竴妫垫爲锛屽氨鏄矾涓杈圭殑鏍戯紝涔樹互2锛屽氨鏄矾涓よ竟鐨勬爲銆傚墿3妫碉紝濡傛灉浠庢绘暟閲屽噺鍘3妫碉紝灏...

4.涓缁勭畻鏈鍏100閬,绗竴缁勯鐨2鍊嶄笌绗浜岀粍棰樼殑3鍊嶅叡260閬,闂涓缁...
绛旓細涓嶅Θ璁剧涓缁勭殑棰樼洰鏁颁负x锛岀浜岀粍鐨勯鐩暟涓簓 鏍规嵁棰樼洰鏉′欢鍙缓绔浜屽厓涓娆℃柟绋嬬粍 x+y=100 鈶犲紡 2x+3y=260 鈶″紡 鍒欌憽-鈶犆2鍙緱锛歽=260-200=60 鍐嶄唬鍏モ憼鍙緱锛歺=100-60=40 鍒欑涓缁勯鐩鏁颁负40閬

鐢浜屽厓涓娆℃柟绋瑙ｈ繖閬撻!
绛旓細锛2锛夋牴鎹涓绉嶆儏鍐电敤绠楁湳鏂规硶鍗冲彲璁＄畻锛庤В绛旓細瑙ｏ細锛1锛夎浠庡鍒板伐鍘傜殑璺▼涓簒鍗冪背锛屾牴鎹鎰忓緱锛歺16+1560=x9.6-1560锛岃В寰楋細x=12锛庣瓟锛氳繖浣嶅伐浜虹殑瀹跺埌宸ュ巶鐨勮矾绋嬩负12鍗冪背锛涳紙2锛夌敱棰樻剰寰楀嚭锛1216+1560=1锛堝皬鏃讹級锛岀瓟锛氬湪宸ュ巶涓婄彮鏃跺埢鍓1灏忔椂浠庡閲屽嚭鍙戯紝鍙湪涓婄彮鍓15min鍒拌揪宸ュ巶锛庣偣璇勶細...

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