200道一元一次方程计算题 七年级 有答案 求七年级上册100道一元一次方程计算题及答案，不够100也可...
\u51fa200\u9053\u4e03\u5e74\u7ea7\u4e0a\u6570\u5b66\u8ba1\u7b97\u9898\u6216\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b\uff0c\u5e26\u7b54\u6848\u4e00\u3001\u89e3\u65b9\u7a0b\u3002
32X+88=3480 204-X+76=196 X-\uff08135-98\uff09=25 4X-15=17
8\u00d7125-40X=600 0.4X\u00f75\uff1d0.6 2X\uff0b0.82\uff1d0.82 3\uff0b0.5X\uff1d7
X+80\u00d72=200 45-2X=10+15 8\u00d72.5- 4x=18 6\u00f7\uff081.5+ x\uff09=1.5
4\uff0bx\uff0b3.9=15.1 x\uff0d0.13\uff0d7.5=3.24 7.5\u00d74.2 - 6x = 1.5 7.8x - x- 6.6 = 7
0.5X\uff0b4\uff1d6 9.5x -5x =13 3X\uff0b2.4\uff1d2.4 80X\u00f74\uff1d12
\u4e8c\u3001\u5217\u51fa\u65b9\u7a0b\uff0c\u5e76\u6c42\u51fa\u65b9\u7a0b\u7684\u89e3\u3002
1. 60\u6bd4\u4e00\u4e2a\u6570\u76843\u500d\u5c1130\uff0c\u8fd9\u4e2a\u6570\u662f\u591a\u5c11\uff1f
2. \u4e00\u4e2a\u6570\u76844\u500d\u6bd460\u591a24\uff0c\u8fd9\u4e2a\u6570\u662f\u591a\u5c11\uff1f
3\u3001\u4e00\u4e2a\u6570\u4e0e6.4\u7684\u5dee\u9664\u4ee53.6\uff0c\u5546\u662f26\uff0c\u8fd9\u4e2a\u6570\u662f\u591a\u5c11\uff1f
4\u3001\u4e00\u4e2a\u6570\u76841.8\u500d\u6bd4\u5b83\u76842\u500d\u5c111.96\uff0c\u6c42\u8fd9\u4e2a\u6570\uff1f
5\u3001635\u6bd4\u4e00\u4e2a\u6570\u76844\u500d\u591a35\uff0c\u6c42\u8fd9\u4e2a\u6570\u3002
6\u3001657\u51cf\u53bb157\u7684\u5dee\u662f\u4e00\u4e2a\u6570\u76845\u500d\uff0c\u8fd9\u4e2a\u6570\u662f\u591a\u5c11\uff1f
\u4e09\u3001\u8ba1\u7b97\u4e0b\u9762\u5404\u9898\u3002\uff08\u80fd\u7b80\u7b97\u7684\u8981\u7b80\u7b97\uff09
9.56\uff0b14.5\uff0b5.5 14.15\uff0b2.9\uff0b1.85 4.3\uff0b2.05\uff0b6.7\uff0b0.95
6.9\uff0b4.8\uff0b3.1 0.456\uff0b6.22\uff0b3.78 15.89\uff0b(6.75\uff0d5.89)
4.02\uff0b5.4\uff0b0.98 5.17\uff0d1.8\uff0d3.2 13.75\uff0d(3.75\uff0b6.48)
3.68\uff0b7.56\uff0d2.68 7.85\uff0b2.34\uff0d0.85\uff0b4.66 35.6\uff0d1.8\uff0d15.6\uff0d7.2
3.82\uff0b2.9\uff0b0.18\uff0b9.1 9.6\uff0b4.8\uff0d3.6 7.14\uff0d0.53\uff0d2.47
5.27\uff0b2.86\uff0d0.66\uff0b1.63 13.35\uff0d4.68\uff0b2.65 73.8\uff0d1.64\uff0d13.8\uff0d5.36
0.25\u00d716.2\u00d74 3.6\u00d7102 9.43-\uff086.28-1.57\uff09
3.72\u00d73.5\uff0b6.28\u00d73.5 36.8\uff0d3.9\uff0d6.1 15.6\u00d713.1\uff0d15.6\uff0d15.6\u00d72.1
4.8\u00d77.8\uff0b78\u00d70.52 6.4\u00d70.25\uff0b3.6\u00f74 25.48\uff0d(9.4\uff0d0.52)
32\uff0b4.9\uff0d0.9 4.8\uff0d4.8\u00d70.5 (1.25\uff0d0.125)\u00d78
4.8\u00d7100.1 56.5\u00d79.9\uff0b56.5 7.09\u00d710.8\uff0d0.8\u00d77.09
4.2\u00f73.5 320\u00f71.25\u00f78 18.76\u00d79.9\uff0b18.76
3.52\u00f72.5\u00f70.4 4.78\u00f70.2\uff0b3.44 3.9\uff0d4.1\uff0b6.1\uff0d5.9
0.49\u00f71.4 1.25\u00d72.5\u00d732 3.6\uff0d0.6\u00d72
3.65\u00d710.1 3.6\uff0d3.6\u00d70.8 15.2\u00f70.25\u00f74
5.6\u00f73.5 9.6\u00f70.8\u00f70.4 4.2\u00d799\uff0b4.2 17.8\u00f7(1.78\u00d74)
0.89\u00d7100.1 146.5\uff0d(23\uff0b46.5) 5.83\u00d72\uff0b4.27 \uff0845.9\uff0d32.7\uff09\u00f78\u00f70.125
3.83\u00d74.56\uff0b3.83\u00d75.44 4.36\u00d712.5\u00d78 9.7\u00d799\uff0b9.7
27.5\u00d73.7\uff0d7.5\u00d73.7 8.54\u00f72.5\u00f70.4 0.65\u00d7101
3.2\u00d70.25\u00d712.5 3.14\u00d70.68\uff0b31.4\u00d70.032 5.6\u00f71.25\u00f70.8\u00f72.5\u00f70.4
7.2\u00d70.2\uff0b2.4\u00d71.4 8.9\u00d71.01 7.74\u00d7\uff082.8\uff0d1.3\uff09\uff0b1.5\u00d72.26
\uff084.8\u00d77.5\u00d78.1\uff09\u00f7\uff082.4\u00d72.5\u00d72.7\uff09 3.9\u00d72.7\uff0b3.9\u00d77.3\uff0b41
18\uff0d1.8\u00f70.125\u00f70.8 4.34\u00d72.73\uff0b56.6\u00d70.273 12.7\u00d79.9\uff0b1.27
21\u00d7\uff089.3\uff0d3.7\uff09\uff0d5.6 3.65\u00d74.7\uff0d36.5\u00d70.37 46\u00d757\uff0b23\u00d786
13.7\u00d70.25\uff0d3.7\u00f74
\u56db\u3001\u5e94\u7528\u9898
1\u3001\u4e00\u53ea\u8db3\u740346.8\u5143\uff0c\u6bd4\u4e00\u53ea\u6392\u7403\u4ef7\u94b1\u76843\u500d\u5c111.2\u5143\uff0c\u4e00\u53ea\u6392\u7403\u7684\u4ef7\u94b1\u662f\u591a\u5c11\u5143\uff1f
2\u3001\u5c11\u5148\u961f\u5458\u5e2e\u56fe\u4e66\u5ba4\u4fee\u8865\u56fe\u4e66\uff0c\u7b2c\u4e00\u5c0f\u7ec4\u6bd4\u7b2c\u4e8c\u5c0f\u7ec4\u591a\u4fee\u886542\u672c\u3002\u7b2c\u4e00\u5c0f\u7ec418\u4eba\uff0c\u5e73\u5747\u6bcf\u4eba\u4fee\u88656\u672c\u3002\u7b2c\u4e8c\u5c0f\u7ec412\u4eba\uff0c\u5e73\u5747\u6bcf\u4eba\u4fee\u8865\u591a\u5c11\u672c\uff1f
3\u3001\u7532\u4e59\u4e24\u8f86\u6c7d\u8f66\u540c\u65f6\u4eceA\u57ce\u5411\u76f8\u53cd\u7684\u65b9\u5411\u884c\u9a76\u3002\u7532\u8f66\u6bcf\u5c0f\u65f6\u884c55.5\u5343\u7c73\uff0c\u4e59\u8f66\u6bcf\u5c0f\u65f6\u884c34.5\u5343\u7c73\u3002\u7ecf\u8fc7\u51e0\u5c0f\u65f6\u540e\u4e24\u8f66\u76f8\u8ddd270\u5343\u7c73\uff1f
4\u3001\u6d77\u8679\u5c0f\u5b66\u6709\u5b66\u751f1012\u4eba\uff0c\u5176\u4e2d\u7537\u751f\u4eba\u6570\u662f\u5973\u751f\u76841.2\u500d\u3002\u7537\u751f\u6bd4\u5973\u751f\u591a\u591a\u5c11\u4eba\uff1f
5\u3001\u5546\u573a\u4e2d\u4e00\u79cd\u94a2\u7b14\u7684\u5355\u4ef7\u662f\u94c5\u7b14\u76848\u500d\u3002\u5c0f\u738b\u4e701\u679d\u94a2\u7b14\u548c3\u679d\u94c5\u7b14\u4e00\u5171\u4ed8\u51fa15.4\u5143\u30021\u679d\u94a2\u7b14\u548c1\u679d\u94c5\u7b14\u5404\u591a\u5c11\u5143\uff1f
6\u3001\u738b\u8001\u5e08\u8ba1\u5212\u7528\u8fb9\u957f3\u5206\u7c73\u7684\u6b63\u65b9\u5f62\u7816\u94fa\u6559\u5ba4\uff0c\u8981720\u5757\u3002\u540e\u6765\u6539\u7528\u8fb9\u957f4\u5206\u7c73\u7684\u6b63\u65b9\u5f62\u7816\uff0c\u8981\u7528\u591a\u5c11\u5757\uff1f
7\u3001\u6c7d\u8f66\u6bcf\u5c0f\u65f6\u884c48\u5343\u7c73\uff0c\u6bd4\u81ea\u884c\u8f66\u76842.2\u500d\u8fd8\u591a0.7\u5343\u7c73\uff0c\u81ea\u884c\u8f66\u6bcf\u5c0f\u65f6\u884c\u591a\u5c11\u5343\u7c73\uff1f
8\u3001\u7532\u4e59\u4e24\u4e2a\u4fee\u8def\u961f\uff0c\u4ece\u957f4400\u7c73\u516c\u8def\u7684\u4e24\u7aef\u540c\u65f6\u4fee\u8def\uff0c8\u5929\u5b8c\u6210\u4efb\u52a1\uff0c\u7532\u961f\u6bcf\u5929\u4fee\u7684\u7c73\u6570\u662f\u4e59\u76842\u500d\uff0c\u4e59\u6bcf\u5929\u4fee\u591a\u5c11\u7c73\uff1f
9\u3001\u5546\u5e97\u4e2d\u94a2\u7b14\u7684\u5355\u4ef7\u662f\u94c5\u7b14\u76845.6\u500d\uff0c\u674e\u6d0b\u4e70\u4e00\u679d\u94a2\u7b14\u6bd4\u4e70\u4e00\u679d\u94c5\u7b14\u591a\u4ed8\u4e868.28\u5143\u3002\u4e00\u679d\u94a2\u7b14\u503c\u591a\u5c11\u5143\uff1f
10\u3001\u5de5\u5730\u4e0a\u4e0a\u5348\u8fd0\u8fdb8\u8f66\u6c34\u6ce5\uff0c\u4e0b\u5348\u540c\u6837\u8fd0\u8fdb\u6c34\u6ce511\u8f66\uff0c\u4e0b\u5348\u6bd4\u4e0a\u5348\u591a\u4ed8\u6c34\u6ce5\u6b3e3180\u5143\uff0c\u4e0a\u5348\u4ed8\u51fa\u6c34\u6ce5\u6b3e\u591a\u5c11\u5143\uff1f
11\u3001\u738b\u534e\u752850\u5143\u4e70\u4e8612\u672c\u7ec3\u4e60\u672c\uff0c\u6bcf\u672c1.8\u5143\uff0c\u5269\u4e0b\u7684\u94b1\u4e70\u4e864\u679d\u94a2\u7b14\uff0c\u94a2\u7b14\u6bcf\u679d\u591a\u5c11\u5143\uff1f
12\u3001\u6c34\u6cd7\u8377\u56ed\u4e8c\u671f\u6295\u8d44386\u4e07\u5143\uff0c\u6bd4\u4e00\u671f\u76842.5\u500d\u5c1164\u4e07\u5143\uff0c\u4e00\u671f\u6295\u8d44\u591a\u5c11\u4e07\u5143\uff1f
13\u3001\u540c\u5b66\u4eec\u53c2\u52a0\u5174\u8da3\u5c0f\u7ec4\uff0c\u53c2\u52a0\u7ed8\u753b\u7ec4\u7684\u670954\u4eba\uff0c\u6bd4\u53c2\u52a0\u821e\u8e48\u7ec4\u76842\u500d\u5c1112\u4eba\uff0c\u53c2\u52a0\u821e\u8e48\u7ec4\u7684\u6709\u591a\u5c11\u4eba\uff1f
14\u3001\u4e00\u4e2a\u68af\u5f62\u7684\u9762\u79ef\u662f180\u5e73\u65b9\u5206\u7c73\uff0c\u5b83\u7684\u4e0a\u5e95\u662f15\u5206\u7c73\uff0c\u4e0b\u5e95\u662f21\u5206\u7c73\uff0c\u5b83\u7684\u9ad8\u662f\u591a\u5c11\u5206\u7c73\uff1f
(\u7b54\u6848\u634f.....\u592a\u591a\u4e86....\u5176\u5b9e\u5f88\u7b80\u5355,\u52a8\u4e00\u52a8\u8111\u5b50\u90fd\u505a\u5f97\u51fa....)
\u53ea\u670950\u9053\u54e6
(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
(33) 40x+31y=6043
45x-y=3555
\u7b54\u6848\uff1ax=79 y=93
(34) 47x+50y=8598
45x+y=3780
\u7b54\u6848\uff1ax=84 y=93
(35) 45x-30y=-1455
29x-y=725
\u7b54\u6848\uff1ax=25 y=86
(36) 11x-43y=-1361
47x+y=799
\u7b54\u6848\uff1ax=17 y=36
(37) 33x+59y=3254
94x+y=1034
\u7b54\u6848\uff1ax=11 y=49
(38) 89x-74y=-2735
68x+y=1020
\u7b54\u6848\uff1ax=15 y=55
(39) 94x+71y=7517
78x+y=3822
\u7b54\u6848\uff1ax=49 y=41
(40) 28x-62y=-4934
46x+y=552
\u7b54\u6848\uff1ax=12 y=85
(41) 75x+43y=8472
17x-y=1394
\u7b54\u6848\uff1ax=82 y=54
(42) 41x-38y=-1180
29x+y=1450
\u7b54\u6848\uff1ax=50 y=85
(43) 22x-59y=824
63x+y=4725
\u7b54\u6848\uff1ax=75 y=14
(44) 95x-56y=-401
90x+y=1530
\u7b54\u6848\uff1ax=17 y=36
(45) 93x-52y=-852
29x+y=464
\u7b54\u6848\uff1ax=16 y=45
(46) 93x+12y=8823
54x+y=4914
\u7b54\u6848\uff1ax=91 y=30
(47) 21x-63y=84
20x+y=1880
\u7b54\u6848\uff1ax=94 y=30
(48) 48x+93y=9756
38x-y=950
\u7b54\u6848\uff1ax=25 y=92
(49) 99x-67y=4011
75x-y=5475
\u7b54\u6848\uff1ax=73 y=48
(50) 83x+64y=9291
90x-y=3690 1\uff0e\u7532\u4e59\u4e8c\u4eba\u5404\u6709\u4e66\u82e5\u5e72\u672c\uff0c\u5982\u679c\u7532\u9001\u4e5910\u672c\uff0c\u90a3\u4e48\u4e8c\u4eba\u6570\u76f8\u7b49\uff0c\u5982\u679c\u4e59\u9001\u753210\u672c\uff0c\u90a3\u4e48\u7532\u7684\u4e66\u5c31\u662f\u4e59\u7684\u4e66\u76842\u500d\uff0c\u95ee\u5404\u6709\u591a\u5c11\u672c\u4e66
\u89e3\uff1a\u7532x\u4e59y
x\uff0d10\uff1dy\uff0b10
2\uff08y\uff0d10\uff09\uff1dx\uff0b10
x\uff1d70\uff0cy\uff1d50
2\uff0e\u7532\u4e59\u4e24\u5730\u76f8\u8ddd21\u5343\u7c73\uff0c\u5982\u679c\u76f8\u5411\u800c\u884c1\u5c0f\u65f6\u76f8\u9047\uff0c\u5982\u679c\u540c\u5411\u800c\u884c7\u5c0f\u65f6\u4e59\u8ffd\u4e0a\u7532\u3002\u95ee\u7532\u4e59\u901f\u5ea6
\u89e3\uff1a\u7532xkm\uff0fh\uff0c\u4e59y
\uff08x\uff0by\uff09\uff1d21
7\uff08y\uff0dx\uff09\uff1d21
x\uff1d9\uff0cy\uff1d12
3.\u4e00\u4e2a\u957f\u65b9\u5f62\uff0c\u628a\u957f\u51cf\u5c113cm\u5bbd\u589e\u52a02cm\u5c31\u6210\u4e86\u6b63\u65b9\u5f62\uff0c\u4e142\u56fe\u5f62\u9762\u79ef\u76f8\u7b49\uff0c\u7403\u957f\u548c\u5bbd\u3002
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x\uff0d3\uff1dy\uff0b2
xy\uff1d\uff08x\uff0d3\uff09\uff08y\uff0b2\uff09
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4x\uff0b5y\uff1d27
6x\uff0b10y\uff1d51
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x\uff0by\uff1d150
77x\uff0b47y\uff1d55\uff0a150
x\uff1d110\uff0cy\uff1d40
6.\u8f66\u95f4\u5171\u670990\u4eba\uff0c\u4e00\u5929\u6bcf\u4eba\u53ef\u505a12\u4e2a\u7532\u96f6\u4ef6\u621615\u4e2a\u4e59\u96f6\u4ef6\uff0c\u600e\u6837\u5b89\u6392\u624d\u53ef\u8ba9\u96f6\u4ef6\u6b63\u597d\u914d\u5957\uff081\u7532\u914d1\u4e59\uff09
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12x\uff1d15y
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x\uff1dy
3\uff0f2x\uff0by\uff1d600
x\uff1d240\uff0cy\uff1d240\u53ef\u505a240\u5957
8.\u5317\u4eac\u548c\u4e0a\u6d77\u90fd\u6709\u67d0\u79cd\u4eea\u5668\u53ef\u4f9b\u5916\u5730\u4f7f\u7528\uff0c\u5176\u4e2d\u5317\u4eac\u53ef\u63d0\u4f9b10\u53f0\uff0c\u4e0a\u6d77\u53ef\u63d0\u4f9b4\u53f0\uff0c\u5df2\u77e5\u91cd\u5e86\u9700\u89818\u53f0\uff0c\u6b66\u6c49\u9700\u89816\u53f0\uff0c\u4ece\u5317\u4eac\u3001\u4e0a\u6d77\u5c06\u4eea\u5668\u8fd0\u5f80\u91cd\u5e86\u3001\u6b66\u6c49\u7684\u8d39\u7528\u5982\u4e0b\u8868\u6240\u793a\uff0c\u6709\u5173\u90e8\u95e8\u8ba1\u5212\u75288000\u5143\u8fd0\u9001\u8fd9\u4e9b\u4eea\u5668\uff0e\u8bf7\u4f60\u8bbe\u8ba1\u4e00\u79cd\u65b9\u6848\uff0c\u4f7f\u6b66\u6c49\u3001\u91cd\u5e86\u80fd\u5f97\u5230\u6240\u9700\u7684\u4eea\u5668\uff0c\u800c\u4e14\u8fd0\u8d39\u6b63\u597d\u591f\u7528\uff0c\u53c8\u80fd\u5426\u4fee\u6539\u65b9\u6848\uff0c\u964d\u4f4e\u6574\u4e2a\u8fd0\u8d39\uff1f
\u6b66\u6c49 \u91cd\u5e86
\u5317\u4eac 400 800
\u4e0a\u6d77 300 500
\u89e3\uff1a\u8bbe\u5317\u4eac\u8fd0\u5f80\u6b66\u6c49x\u53f0\uff0c\u4e0a\u6d77\u8fd0\u6b66\u6c49y\u53f0\uff0c\u7531\u9898\u610f\u5f97
x\uff0by\uff1d6
400x\uff0b800\uff0810\uff0dx\uff09\uff0b300y\uff0b500\uff084\uff0dy\uff09\uff1d8000
x\uff1d4\uff0cy\uff1d2
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400\u00d75\uff0b800\u00d75\uff0b300\uff0b500\u00d73=7800\uff0c\u6bd4\u539f\u6765\u964d\u4f4e\u4e86200\u5143\uff0c\u8fd8\u53ef\u4ee5\u4f5c\u9002\u5f53\u8c03\u6574\uff0c\u7ee7\u7eed\u964d\u4f4e\u603b\u8fd0\u8d39\uff0e
10\uff0e\u5b66\u6821\u56fe\u4e66\u9986\u642c\u8fc1\uff0c\u516b\u5e74\u7ea7(3)\u73ed\u5b66\u751f\u53c2\u52a0\u4e86\u642c\u8fc1\u56fe\u4e66\u4e0e\u6574\u7406\u56fe\u4e66\u7684\u4efb\u52a1\uff0c\u5f00\u59cb\u65f6\uff0c\u53c2\u52a0\u642c\u8fd0\u56fe\u4e66\u7684\u4eba\u6570\u6bd4\u6574\u7406\u56fe\u4e66\u7684\u4eba\u6570\u76842\u500d\u5c114\u4eba\uff1b\u540e\u6765\uff0c\u4ece\u642c\u8fd0\u56fe\u4e66\u7684\u540c\u5b66\u4e2d\u8c03\u51fa4\u4eba\u53c2\u52a0\u6574\u7406\u56fe\u4e66\u5de5\u4f5c\uff0c\u8fd9\u65f6\u4e24\u90e8\u5206\u4eba\u6570\u76f8\u7b49\uff0c\u6c42\u642c\u4e66\u3001\u6574\u4e66\u5404\u591a\u5c11\u4eba\u3002
\u8bbe\u53c2\u52a0\u642c\u8fd0\u56fe\u4e66\u3001\u6574\u7406\u56fe\u4e66\u7684\u4eba\u6570\u5206\u522b\u4e3ax\uff0cy
x\uff0d2y\uff1d\uff0d4
x\uff0dy\uff1d8
x\uff1d20\uff0cy\uff1d12
\u4e0d\u7b49\u5f0f\u7ec4:1\u3001\u5728\u5bb9\u5668\u91cc\u670918\u6444\u793a\u5ea6\u7684\u6c346\u7acb\u65b9\u7c73\uff0c\u73b0\u5728\u8981\u628a8\u7acb\u65b9\u7c73\u7684\u6c34\u6ce8\u5165\u91cc\u9762\uff0c\u4f7f\u5bb9\u5668\u91cc\u6df7\u5408\u7684\u6c34\u7684\u6e29\u5ea6\u4e0d\u4f4e\u4e8e30\u6444\u793a\u5ea6\uff0c\u4e14\u4e0d\u9ad8\u4e8e36\u6444\u793a\u5ea6\uff0c\u6c42\u6ce8\u5165\u76848\u7acb\u65b9\u7c73\u7684\u6c34\u7684\u6e29\u5ea6\u5e94\u8be5\u5728\u4ec0\u4e48\u8303\u56f4\uff1f
\u8bbe\u6ce8\u5165\u6c34\u6c34\u6e29\u4e3aX
(18*6+X*8)/(6+8)<36
(18*6+X*8)/(6+8)>30
2\u3001\u6709\u7ea2\u3001\u767d\u989c\u8272\u7684\u7403\u82e5\u5e72\u4e2a\uff0c\u5df2\u77e5\u767d\u7403\u7684\u4e2a\u6570\u6bd4\u7ea2\u7403\u5c11\uff0c\u4f46\u767d\u7403\u7684\u4e24\u500d\u6bd4\u7ea2\u7403\u591a\uff0c\u82e5\u628a\u6bcf\u4e00\u4e2a\u767d\u7403\u90fd\u8bb0\u4f5c\u65702\uff0c\u6bcf\u4e00\u4e2a\u7ea2\u7403\u90fd\u8bb0\u4f5c\u65703\uff0c\u5219\u603b\u6570\u4e3a60\uff0c\u6c42\u767d\u7403\u548c\u7ea2\u7403\u5404\u51e0\u4e2a\uff1f
\u8bbe\u7ea2\u7403\u6709X\u4e2a\uff0c\u767d\u7403\u6709Y\u4e2a
Y<X
2Y>X
3X+2Y=60
3\u3001\u4e00\u6b21\u8003\u8bd5\u5171\u670925\u9053\u9009\u62e9\u9898\uff0c\u505a\u5bf9\u4e00\u9898\u5f974\u5206\uff0c\u505a\u9519\u4e00\u9898\u51cf2\u5206\uff0c\u4e0d\u505a\u5f970\u5206\uff0c\u82e5\u5c0f\u660e\u60f3\u786e\u4fdd\u8003\u8bd5\u6210\u7ee9\u572860\u5206\u4ee5\u4e0a\uff0c\u90a3\u4e48\uff0c\u4ed6\u81f3\u5c11\u505a\u5bf9X\u9898\uff0c\u5e94\u6ee1\u8db3\u7684\u4e0d\u7b49\u5f0f\u662f\u4ec0\u4e48\uff1f
\u8bbe\u4f5c\u5bf9x\u9898,\u90a3\u4e48\u505a\u9519\u6216\u8005\u4e0d\u505a\u4e8625-x\u9898 4x -(25-x) =80 x=21
4\u3001\u67d0\u5bbe\u9986\u4e00\u697c\u5ba2\u623f\u6bd4\u4e8c\u697c\u5c115\u95f4\uff0c\u67d0\u65c5\u6e38\u56e2\u670948\u4eba\uff0c\u82e5\u5168\u90e8\u5b89\u6392\u5728\u4e00\u697c\uff0c\u6bcf\u95f44\u4eba\uff0c\u623f\u95f4\u4e0d\u591f\uff0c\u6bcf\u95f45\u4eba\uff0c\u623f\u95f4\u6ca1\u6709\u4f4f\u6ee1\uff1b\u82e5\u5b89\u6392\u4f4f\u5728\u4e8c\u697c\uff0c\u6bcf\u95f43\u4eba\u623f\u95f4\u4e0d\u591f\uff0c\u6bcf\u95f44\u4eba\uff0c\u6709\u623f\u95f4\u6ca1\u4f4f\u6ee1\uff0c\u95ee\u5bbe\u9986\u4e00\u697c\u6709\u5ba2\u623f\u51e0\u95f4
\u8bbe\u4e00\u697cx\u95f4 \u4e8c\u697cy\u95f4
\u5219\uff1a4x48
9+3/5<x<12.....\u6545 x=10\u621611
3y48
12<y<16.....\u6545 y=13,14,15
\u53c8 x=y-5
\u6545 x=10 .y=15
5\u628a\u4e00\u4e9b\u4e66\u5206\u7ed9\u51e0\u4e2a\u5b66\u751f\uff0c\u5982\u679c\u6bcf\u4eba\u52063\u672c\uff0c\u90a3\u4e48\u4f598\u672c\uff1b\u5982\u679c\u524d\u9762\u7684\u6bcf\u4e2a\u5b66\u751f\u52065\u672c\uff0c\u90a3\u4e48\u6700\u540e\u4e00\u4eba\u5c31\u5206\u4e0d\u52303\u672c. \u8bf7\u95ee\u8fd9\u4e9b\u4e66\u6709\u591a\u5c11\u672c\uff1f\u5b66\u751f\u6709\u591a\u5c11\u4eba
\u8bbe\u6709\u5b66\u751fX\u4eba
3X+8\u2264[X-1]\u00d75+2 X\u22655.5 \u5373\u5171\u6709\u5b66\u751f6\u4eba\uff0c\u672c\u5b50\u6709\uff1a3\u00d76+8=26
6.\u5e7c\u513f\u56ed\u51e0\u4e2a\u5c0f\u5b69\u5206\u4e00\u7bb1\u82f9\u679c\uff0c\u5982\u679c\u6bcf\u4eba\u52063\u4e2a\uff0c\u90a3\u4e48\u4f597\u4e2a\uff1b\u5982\u679c\u6bcf\u4eba\u52065\u4e2a\uff0c\u90a3\u4e48\u67091\u4eba\u5206\u5f97\u5f97\u82f9\u679c\u4e0d\u8db35\u4e2a\uff0c\u95ee\u6709\u591a\u5c11\u5c0f\u5b69\uff1f\u591a\u5c11\u82f9\u679c
\u8bbe\u6709X\u4e2a\u5c0f\u5b69,\u6709(3X+7)\u4e2a\u82f9\u679c.
5\uff08x-1\uff09\u22643x+7<5x
\u89e3\u5f97\uff1a3.5\u2264X\u22645.5
\u5219X=4\u6216X=5
\u5f53X=4,3X+7=19;
\u5f53X=5, 3X+7=22;
\u67094\u4e2a\u5c0f\u5b69,19\u4e2a\u82f9\u679c;\u6216\u67095\u4e2a\u5c0f\u5b69,22\u4e2a\u82f9\u679c.
7\u5c0f\u653e\u5bb6\u6bcf\u6708\u6c34\u8d39\u4e0d\u5c11\u4e8e15\u5143,\u81ea\u6765\u6c34\u516c\u53f8\u89c4\u5b9a:\u82e5\u6bcf\u6237\u6bcf\u6708\u7528\u6c34\u4e0d\u8d85\u8fc75\u7acb\u65b9\u7c73,\u5219\u6bcf\u7acb\u65b9\u7c73\u65361\u30018\u5143\uff0c\u82e5\u6bcf\u6237\u6bcf\u6708\u7528\u6c34\u8d85\u8fc75\u7acb\u65b9\u7c73\uff0c\u5219\u8d85\u51fa\u90e8\u5206\u6bcf\u7acb\u65b9\u7c732\u5143\uff0c\u5c0f\u653e\u5bb6\u7528\u6c34\u81f3\u5c11\u662f\u591a\u5c11
\u8bbe\u81f3\u5c11\u662fx\u7acb\u65b9\u7c73
1.2\u00d75+2\uff08x-5\uff09\u2265156+2x-10\u226515x\u22659.5 \u81f3\u5c11\u662f9.5\u7acb\u65b9\u7c73
8\u7528\u6bcf\u5206\u65f6\u95f4\u53ef\u62bd1.1\u5428\u6c34\u7684A\u578b\u62bd\u6c34\u673a\u6765\u62bd\u6c60\u6c34,\u534a\u5c0f\u65f6\u53ef\u4ee5\u62bd\u5b8c\uff0c\u5982\u679c\u7528B\u578b\u62bd\u6c34\u673a\uff0c\u4f30\u8ba120\u5206\u81f322\u5206\u53ef\u4ee5\u62bd\u5b8c.B\u578b\u62bd\u6c34\u673a\u6bd4A\u578b\u62bd\u6c34\u673a\u6bcf\u5206\u949f\u7ea6\u591a\u62bd\u591a\u5c11\u5428\u6c34\uff1f
\u8bbeB\u578b\u6bd4A\u578b\u6bcf\u5206\u7ea6\u591a\u62bdx\u5428\u6c34.
20(1.1+x)<30*1.1 \u2474
22(1.1+x)>30*1.1 \u2475
\u7531\u2474\u5f97:x<0.55
\u7531\u2475\u5f97:x>0.4
\u2234\u4e0d\u7b49\u5f0f\u7ec4\u7684\u89e3\u96c6\u4e3a0.55>x>0.4
9.\u4e03\u5e74\u7ea7\u6709\u5b66\u751f530\u540d\uff0c\u5176\u4e2d\u67091/9\u7684\u7537\u751f\u548c20\u540d\u5973\u751f\u62a5\u540d\u53c2\u52a0\u4f53\u80b2\u6bd4\uff0c\u5176\u4f59\u7684\u5b66\u751f\u4e2d\u7537\u3001\u5973\u751f\u4eba\u6570\u76f8\u7b49\uff0c\u4e03\u5e74\u7ea7\u7537\u3001\u5973\u751f\u4e2a\u591a\u5c11\u540d\uff1f
\u8bbe\u6709\u7537\u751fx\u540d\uff0c\u5973\u751f\u6709y\u540d
\u5219 x+y=530
x-x/9=y-20
\u89e3\u5f97 x=270
y=260
10\u7528\u82e5\u5e72\u8f86\u91cd\u91cf\u4e3a8\u5428\u7684\u6c7d\u8f66\u8fd0\u4e00\u6279\u8d27\u7269\uff0c\u82e5\u6bcf\u8f86\u8f66\u4e4b\u88c54\u5428\uff0c\u5219\u5269\u4e0b20\u5428\u8d27\u7269\uff1b\u82e5\u6ca1\u4eae\u7740\u88c5\u6ee18\u5428\uff0c\u5219\u6700\u540e\u4e00\u8f86\u8f66\u4e0d\u6ee1\u4e5f\u4e0d\u7a7a\uff0c\u95ee:\u6709\u591a\u5c11\u8f86\u8f66\uff1f
\u8bbe\u603b\u5171x\u8f86\u8f66\uff0c\u5219\u603b\u5171\u6709\u8d274x+20\u5428
8x>4x+20
x>5
4x+20>8(x-1)
x<7
5<x<7\u3002\u800cx\u53c8\u662f\u6574\u6570\uff0c\u6240\u4ee5x=6
11\u521d\u4e8c\u5e74\u7ea7\u79cb\u6e38,\u82e5\u79df\u752848\u5ea7\u5ba2\u8f66\u82e5\u5e72\u8f86,\u5219\u6b63\u597d\u5750\u6ee1;\u82e5\u79df\u752864\u5ea7\u5ba2\u8f66,\u5219\u80fd\u5c11\u79df\u4e00\u8f86,\u4e14\u6709\u4e00\u8f86\u8f66\u6bcf\u6709\u5ea7\u6ee1,\u4f46\u8d85\u8fc7\u4e00\u534a.\u4e00\u76f4\u79df\u752848\u5ea7\u5ba2\u8f66\u6bcf\u8f86250\u5143,\u79df\u752864\u5ea7\u5ba2\u8f66\u6bcf\u8f86300\u5143,\u95ee\u5e94\u79df\u7528\u54ea\u79cd\u5ba2\u8f66\u8f83\u5408\u7b97?
\u8bbe\u79df\u752864\u5ea7\u5ba2\u8f66X\u8f86\uff0c\u79df\u752848\u5ea7\u5ba2\u8f66\uff08X+1\uff09\u8f86
64X\uff0d48\uff08X\uff0b1\uff09\uff1e64\u00f72
64X\uff0d48\uff08X\uff0b1\uff09\uff1c6
\u89e3\u5f975\uff1cX\uff1c7
\u79df\u752864\u5ea7\u5ba2\u8f666\u8f86300\u00d76\uff1d1800\u5143250\u00d77\uff1d1750\u5143\u5e94\u79df\u752848\u5ea7\u5ba2\u8f66\u5ba2\u8f66\u8f83\u5408\u7b97
12 \u5c06\u82e5\u5e72\u53ea\u9e21\u653e\u5165\u82e5\u5e72\u4e2a\u7b3c\uff0c\u82e5\u6bcf\u4e2a\u7b3c\u91cc\u653e4\u53ea\uff0c\u5219\u6709\u4e00\u53ea\u9e21\u65e0\u7b3c\u53ef\u653e\uff1b\u82e5\u6bcf\u4e2a\u7b3c\u91cc\u653e5\u53ea\uff0c\u5219\u6709\u4e00\u7b3c\u65e0\u9e21\u53ef\u653e\uff0c\u90a3\u4e48\u81f3\u5c11\u6709\u51e0\u53ea\u9e21\u51e0\u4e2a\u7b3c\uff1f
\u6709X\u4e2a\u7b3c\u3002
4X+1=5\uff08x-1)
4x+1=5x-5
4x-5x=-5-1
x=6
\u22344X+1=4x6+1=25
13\u7532\u3001\u4e59\u4e24\u8f66\u95f4\u5404\u6709\u82e5\u5e72\u4e2a\u5de5\u4eba\u751f\u4ea7\u540c\u4e00\u79cd\u96f6\u4ef6\uff0c\u7532\u8f66\u95f4\u67091\u4e2a\u4eba\u6bcf\u5929\u751f\u4ea76\u4ef6\uff0c\u5176\u4f59\u6bcf\u4eba\u6bcf\u5929\u751f\u4ea711\u4ef6\uff1b\u4e59\u8f66\u95f4\u67091\u4eba\u6bcf\u5929\u751f\u4ea77\u4ef6\uff0c\u5176\u4f59\u6bcf\u4eba\u6bcf\u5929\u751f\u4ea710\u4ef6\uff0e\u5df2\u77e5\u4e24\u8f66\u95f4\u6bcf\u5929\u751f\u4ea7\u96f6\u4ef6\u7684\u603b\u6570\u76f8\u7b49\uff0c\u4e14\u6bcf\u4e2a\u8f66\u95f4\u6bcf\u5929\u751f\u4ea7\u96f6\u4ef6\u603b\u6570\u4e0d\u5c11\u4e8e100\u4ef6\u4e5f\u4e0d\u8d85\u8fc7200\u4ef6\uff0c\u5219\u7532\u8f66\u95f4\u6709\u591a\u5c11\u4eba\uff0c\u4e59\u8f66\u95f4\u6709\u591a\u5c11\u4eba\uff1f
\u8bbe\u7532\u8f66\u95f4\u4eba\u6570\u4e3ax
\u90a3\u4e48\u7532\u8f66\u95f4\u6bcf\u5929\u751f\u4ea7\u7684\u96f6\u4ef6\uff1a6+11(x-1)=11x-5
\u4e59\u8f66\u95f4\u7684\u4eba\u6570\uff1a(11x-5-7)/10+1=1.1x-0.2
100\u226411x-5\u2264200
95/11\u2264x\u2264195/11
x\u4e3a\u6574\u6570
9\u2264x\u226417
1.1x-0.2\u4e3a\u6574\u6570\uff0c
\u2234x=12
\u7b54\u6848\uff1ax=41 y=92
0.4(x-0.2)+1.5=0.7x-0.38
x=6
30x-10(10-x)=100
x=5
4(x+2)=5(x-2)
x=18
120-4(x+5)=25
x=18.75
15x+863-65x=54
x=16.18
3(x-2)+1=x-(2x-1)
x=3/2
11x+64-2x=100-9x
x=2
应用题
1、从夏令营到学校，先下山然后走平路，某同学先起自行车以每小时12千米的速度下山，以每小时9千米的速度通过平路，到学校共用了55分钟,他回来的时候以每小时8千米的速度通过平路而以每小时4千米的速度上山回夏令营用了1小时30分,从夏令营到学校有多少千米??
2、甲列车长120米,车速每小时60千米，乙列车长130千米，两车同向而行，当乙列车头追上甲列车尾后，有经过3分钟两列车离开。求乙列车速度？
3、甲乙两火车，甲列车长120米，乙列车长130米,他们分别以每小时60千米.65千米的速度相向而行,求两车相与后经过多长时间离开?
4、甲乙二人在一圆形跑道练习跑步,甲用50秒可跑完一圈,从同一地点出发,反向跑20秒二人相遇,求乙跑一圈用多长时间.
5、甲乙两同学的家相距26千米,两人相约在星期日去位于他们家之间的某地旅游.甲在出发时带上一只宠物同行,甲以每小时7千米、乙以每小时6千米的速度同时从各自的家中相向出发。这只狗同时以每小时20千米的速度在甲乙两人之间来回跑动。即：遇到乙后，马上返回跑向甲。就这样直到二人相遇，问这只狗共跑了多少路程？
6、小明每天早上要在7:40前赶到居家1000米的学校上学.一天,小明以80米/分的速度出发,五分钟后,小明的爸爸发现他忘带语文书,于是,爸爸立即以120米/分的速度追小明,问爸爸何时把书交给小明?
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