求七年级上100到一元一次方程（要有解题过程和答案）急！！！！！！！！！！！ 要100道啊 求七年级上册，100道一元一次方程，要有去分母移项的，还要有...
\u6c42\u4e03\u5e74\u7ea7\u4e0a\u518c100\u9053\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b\u8ba1\u7b97\u9898\u53ca\u7b54\u6848\uff0c\u4e0d\u591f100\u4e5f\u53ef\u4ee5\u8d8a\u591a\u8d8a\u597d\uff0c\u4e00\u5b9a\u6709\u7b54\u6848\u8fc7\u7a0b\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
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\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
\u4e00\u767e\u9053\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b\u8981\u89e3\u5440
\u90a3\u4e48\u4f60\u7684\u65b9\u7a0b\u5462
\u62ff\u51fa\u6765 \u8ba9\u4e00\u767e\u4e2a\u7f51\u53cb\u5e2e\u4f60\u4e00\u8d77\u505a\u4e00\u4e0b
\u53ef\u80fd\u7f51\u53cb\u4f1a\u4e00\u8d77\u5e2e\u4f60\u89e3\u7b54\u7684\u5427
3．若m＜0，n＞0，｜m｜＜｜n｜，且｜x＋m｜＋｜x-n｜=m＋n， 求x的取值范围．
4．设(3x-1)7=a7x7＋a6x6+…+a1x＋a0，试求a0+a2＋a4＋a6的值．
5．已知方程组
有解，求k的值．
6．解方程2｜x+1｜+｜x-3｜=6．
7．解方程组
8．解不等式｜｜x＋3｜-｜x-1｜｜＞2．
9．比较下面两个数的大小：
10．x，y，z均是非负实数，且满足：
x＋3y＋2z=3，3x＋3y+z=4，
求u=3x-2y＋4z的最大值与最小值．
11．求x4-2x3＋x2+2x-1除以x2+x＋1的商式和余式．
12．如图1－88所示．小柱住在甲村，奶奶住在乙村，星期日小柱去看望奶奶，先在北山坡打一捆草，又在南山坡砍一捆柴给奶奶送去．请问：小柱应该选择怎样的路线才能使路程最短？
13．如图1－89所示．AOB是一条直线，OC，OE分别是∠AOD和∠DOB的平分线，∠COD=55°．求∠DOE的补角．
14．如图1－90所示．BE平分∠ABC，∠CBF=∠CFB=55°，∠EDF=70°．求证：BC‖AE．
15．如图1－91所示．在△ABC中，EF⊥AB，CD⊥AB，∠CDG=∠BEF．求证：∠AGD=∠ACB．
16．如图1－92所示．在△ABC中，∠B=∠C，BD⊥AC于D．求
17．如图1－93所示．在△ABC中，E为AC的中点，D在BC上，且BD∶DC=1∶2，AD与BE交于F．求△BDF与四边形FDCE的面积之比．
18．如图1－94所示．四边形ABCD两组对边延长相交于K及L，对角线AC‖KL，BD延长线交KL于F．求证：KF=FL．
19．任意改变某三位数数码顺序所得之数与原数之和能否为999？说明理由．
20．设有一张8行、8列的方格纸，随便把其中32个方格涂上黑色，剩下的32个方格涂上白色．下面对涂了色的方格纸施行“操作”，每次操作是把任意横行或者竖列上的各个方格同时改变颜色．问能否最终得到恰有一个黑色方格的方格纸？
21．如果正整数p和p+2都是大于3的素数，求证：6｜(p＋1)．
22．设n是满足下列条件的最小正整数，它们是75的倍数，且恰有
23．房间里凳子和椅子若干个，每个凳子有3条腿，每把椅子有4条腿，当它们全被人坐上后，共有43条腿(包括每个人的两条腿)，问房间里有几个人？
24．求不定方程49x-56y+14z=35的整数解．
25．男、女各8人跳集体舞．
(1)如果男女分站两列；
(2)如果男女分站两列，不考虑先后次序，只考虑男女如何结成舞伴．
问各有多少种不同情况？
26．由1，2，3，4，5这5个数字组成的没有重复数字的五位数中，有多少个大于34152？
27．甲火车长92米，乙火车长84米，若相向而行，相遇后经过1.5秒(s)两车错过，若同向而行相遇后经6秒两车错过，求甲乙两火车的速度．
28．甲乙两生产小队共同种菜，种了4天后，由甲队单独完成剩下的，又用2天完成．若甲单独完成比乙单独完成全部任务快3天．求甲乙单独完成各用多少天？
29．一船向相距240海里的某港出发，到达目的地前48海里处，速度每小时减少10海里，到达后所用的全部时间与原速度每小时减少4海里航行全程所用的时间相等，求原来的速度．
30．某工厂甲乙两个车间，去年计划完成税利750万元，结果甲车间超额15％完成计划，乙车间超额10％完成计划，两车间共同完成税利845万元，求去年这两个车间分别完成税利多少万元？
31．已知甲乙两种商品的原价之和为150元．因市场变化，甲商品降价10％，乙商品提价20％，调价后甲乙两种商品的单价之和比原单价之和降低了1％，求甲乙两种商品原单价各是多少？
32．小红去年暑假在商店买了2把儿童牙刷和3支牙膏，正好把带去的钱用完．已知每支牙膏比每把牙刷多1元，今年暑假她又带同样的钱去该商店买同样的牙刷和牙膏，因为今年的牙刷每把涨到1.68元，牙膏每支涨价30％，小红只好买2把牙刷和2支牙膏，结果找回4角钱．试问去年暑假每把牙刷多少钱？每支牙膏多少钱？
33．某商场如果将进货单价为8元的商品，按每件12元卖出，每天可售出400件，据经验，若每件少卖1元，则每天可多卖出200件，问每件应减价多少元才可获得最好的效益？
34．从A镇到B镇的距离是28千米，今有甲骑自行车用0．4千米/分钟的速度，从A镇出发驶向B镇，25分钟以后，乙骑自行车，用0．6千米/分钟的速度追甲，试问多少分钟后追上甲？
35．现有三种合金：第一种含铜60％，含锰40％；第二种含锰10％，含镍90％；第三种含铜20％，含锰50％，含镍30％．现各取适当重量的这三种合金，组成一块含镍45％的新合金，重量为1千克．
(1)试用新合金中第一种合金的重量表示第二种合金的重量；
(2)求新合金中含第二种合金的重量范围；
(3)求新合金中含锰的重量范围．
无答案
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绛旓細1銆(x-1.5-1)/4=(x-1.5+1)/5 銆傝В锛5(x-2.5)=4(x-0.5) 銆亁=-2+12.5 銆亁=10.5 銆2銆乴+300=30v 銆傝В锛300-l=10v 銆乿=15m/s 銆乴=150m 銆3銆80x+80y=400 銆傝В锛80y-80x=400 銆佹墍浠=0銆亂=5 銆4銆乕x-4*锛18-x-y)/60]/4=锛18-y锛/60 銆傝В锛歽/4...
绛旓細6.鏌愯溅闂存湁16鍚嶅伐浜,姣忎汉姣忓ぉ鍙姞宸ョ敳绉嶉浂浠5涓垨涔欑闆朵欢4涓.鍦ㄨ繖16鍚嶅伐浜轰腑,涓閮ㄥ垎浜哄姞宸ョ敳绉嶉浂浠,鍏朵綑鐨勫姞宸ヤ箼绉嶉浂浠.宸茬煡姣忓姞宸ヤ竴涓敳绉嶉浂浠跺彲鑾峰埄16鍏,姣忓姞宸ヤ竴涓箼绉嶉浂浠跺彲鑾峰埄24鍏.鑻ユ杞﹂棿涓鍏辫幏鍒1440鍏,姹傝繖涓澶╂湁鍑犱釜宸ヤ汉鍔犲伐鐢茬闆朵欢.7.鏌愬湴鍖哄眳姘戠敓娲荤敤鐢靛熀鏈环鏍间负姣忓崈鐡︽椂0.40鍏,鑻ユ瘡鏈...
绛旓細11x+64-2x=100-9x 15-(8-5x)=7x+(4-3x) 3(x-7)-2[9-4(2-x)]=22 3/2[2/3(1/4x-1)-2]-x=2 2(x-2)+2=x+1 0.4(x-0.2)+1.5=0.7x-0.38 30x-10(10-x)=100 4(x+2)=5(x-2) 120-4(x+5)=25 15x+863-65x=54 12.3(x-2)+1=x-(2x-1) 11x+64-2x...
绛旓細鍒濅竴鏁板瑙鏂圭▼100閬撳強绛旀鍙婅繃绋嬪涓嬶細1銆2x锛8锛16锛2x锛16锛8锛寈锛8梅2锛寈锛4 2銆亁梅5锛10锛寈锛5脳10锛寈锛50 3銆亁锛7x锛8锛8x锛8锛寈锛8梅8锛寈锛1 4銆9x锛3x锛6锛6x锛6锛寈锛6梅6锛寈锛1 5銆6x锛8锛4锛6x锛8锛4锛寈锛12梅6锛寈锛2 6銆5x锛媥锛9锛6x锛9锛寈锛9梅6锛...
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绛旓細7.11x+64-2x=100-9x 8.15-(8-5x)=7x+(4-3x)9.3(x-7)-2[9-4(2-x)]=22 10.3/2[2/3(1/4x-1)-2]-x=2 11.5x+1-2x=3x-2 12.3y-4=2y+1 13.87X*13=5 14.7Z/93=41 15.15X+863-65X=54 16.58Y*55=27489 17.2锛坸+2锛+4=9 18.2(x+4)=10 19.3(x-5)...
绛旓細涓鍏冧竴娆℃柟绋锛1. 2(x-2)-3(4x-1)=9(1-x)2. 11x+64-2x=100-9x 3. 15-(8-5x)=7x+(4-3x)4. 3(x-7)-2[9-4(2-x)]=22 5. 3/2[2/3(1/4x-1)-2]-x=2 6. 2(x-2)+2=x+1 7. 0.4(x-0.2)+1.5=0.7x-0.38 8. 30x-10(10-x)=100 9....
