一百道解方程加答案

2024-11-16 16:17:54
推荐回答(5个)
回答1:

题:10 x + 90 = 290
10 x = 290-90
x= 200/10
x= 20
题:10 x + 91 = 291
10 x = 291-91
x= 200/10
x= 20
题:10 x + 92 = 292
10 x = 292-92
x= 200/10
x= 20
题:10 x + 93 = 293
10 x = 293-93
x= 200/10
x= 20
题:10 x + 94 = 294
10 x = 294-94
x= 200/10
x= 20
题:10 x + 95 = 295
10 x = 295-95
x= 200/10
x= 20
题:10 x + 96 = 296
10 x = 296-96
x= 200/10
x= 20
题:10 x + 97 = 297
10 x = 297-97
x= 200/10
x= 20
题:10 x + 98 = 298
10 x = 298-98
x= 200/10
x= 20
题:10 x + 99 = 299
10 x = 299-99
x= 200/10
x= 20
题:10 x + 90 = 300
10 x = 300-90
x= 210/10
x= 21
题:10 x + 91 = 301
10 x = 301-91
x= 210/10
x= 21
题:10 x + 92 = 302
10 x = 302-92
x= 210/10
x= 21
题:10 x + 93 = 303
10 x = 303-93
x= 210/10
x= 21
题:10 x + 94 = 304
10 x = 304-94
x= 210/10
x= 21
题:10 x + 95 = 305
10 x = 305-95
x= 210/10
x= 21
题:10 x + 96 = 306
10 x = 306-96
x= 210/10
x= 21
题:10 x + 97 = 307
10 x = 307-97
x= 210/10
x= 21
题:10 x + 98 = 308
10 x = 308-98
x= 210/10
x= 21
题:10 x + 99 = 309
10 x = 309-99
x= 210/10
x= 21
题:10 x + 90 = 310
10 x = 310-90
x= 220/10
x= 22
题:10 x + 91 = 311
10 x = 311-91
x= 220/10
x= 22
题:10 x + 92 = 312
10 x = 312-92
x= 220/10
x= 22
题:10 x + 93 = 313
10 x = 313-93
x= 220/10
x= 22
题:10 x + 94 = 314
10 x = 314-94
x= 220/10
x= 22
题:10 x + 95 = 315
10 x = 315-95
x= 220/10
x= 22
题:10 x + 96 = 316
10 x = 316-96
x= 220/10
x= 22
题:10 x + 97 = 317
10 x = 317-97
x= 220/10
x= 22
题:10 x + 98 = 318
10 x = 318-98
x= 220/10
x= 22
题:10 x + 99 = 319
10 x = 319-99
x= 220/10
x= 22
题:10 x + 90 = 320
10 x = 320-90
x= 230/10
x= 23
题:10 x + 91 = 321
10 x = 321-91
x= 230/10
x= 23
题:10 x + 92 = 322
10 x = 322-92
x= 230/10
x= 23
题:10 x + 93 = 323
10 x = 323-93
x= 230/10
x= 23
题:10 x + 94 = 324
10 x = 324-94
x= 230/10
x= 23
题:10 x + 95 = 325
10 x = 325-95
x= 230/10
x= 23
题:10 x + 96 = 326
10 x = 326-96
x= 230/10
x= 23
题:10 x + 97 = 327
10 x = 327-97
x= 230/10
x= 23
题:10 x + 98 = 328
10 x = 328-98
x= 230/10
x= 23
题:10 x + 99 = 329
10 x = 329-99
x= 230/10
x= 23
题:10 x + 90 = 330
10 x = 330-90
x= 240/10
x= 24
题:10 x + 91 = 331
10 x = 331-91
x= 240/10
x= 24
题:10 x + 92 = 332
10 x = 332-92
x= 240/10
x= 24
题:10 x + 93 = 333
10 x = 333-93
x= 240/10
x= 24
题:10 x + 94 = 334
10 x = 334-94
x= 240/10
x= 24
题:10 x + 95 = 335
10 x = 335-95
x= 240/10
x= 24
题:10 x + 96 = 336
10 x = 336-96
x= 240/10
x= 24
题:10 x + 97 = 337
10 x = 337-97
x= 240/10
x= 24
题:10 x + 98 = 338
10 x = 338-98
x= 240/10
x= 24
题:10 x + 99 = 339
10 x = 339-99
x= 240/10
x= 24
题:10 x + 90 = 340
10 x = 340-90
x= 250/10
x= 25
题:10 x + 91 = 341
10 x = 341-91
x= 250/10
x= 25
题:10 x + 92 = 342
10 x = 342-92
x= 250/10
x= 25
题:10 x + 93 = 343
10 x = 343-93
x= 250/10
x= 25
题:10 x + 94 = 344
10 x = 344-94
x= 250/10
x= 25
题:10 x + 95 = 345
10 x = 345-95
x= 250/10
x= 25
题:10 x + 96 = 346
10 x = 346-96
x= 250/10
x= 25
题:10 x + 97 = 347
10 x = 347-97
x= 250/10
x= 25
题:10 x + 98 = 348
10 x = 348-98
x= 250/10
x= 25
题:10 x + 99 = 349
10 x = 349-99
x= 250/10
x= 25
题:10 x + 90 = 350
10 x = 350-90
x= 260/10
x= 26
题:10 x + 91 = 351
10 x = 351-91
x= 260/10
x= 26
题:10 x + 92 = 352
10 x = 352-92
x= 260/10
x= 26
题:10 x + 93 = 353
10 x = 353-93
x= 260/10
x= 26
题:10 x + 94 = 354
10 x = 354-94
x= 260/10
x= 26
题:10 x + 95 = 355
10 x = 355-95
x= 260/10
x= 26
题:10 x + 96 = 356
10 x = 356-96
x= 260/10
x= 26
题:10 x + 97 = 357
10 x = 357-97
x= 260/10
x= 26
题:10 x + 98 = 358
10 x = 358-98
x= 260/10
x= 26
题:10 x + 99 = 359
10 x = 359-99
x= 260/10
x= 26
题:10 x + 90 = 360
10 x = 360-90
x= 270/10
x= 27
题:10 x + 91 = 361
10 x = 361-91
x= 270/10
x= 27
题:10 x + 92 = 362
10 x = 362-92
x= 270/10
x= 27
题:10 x + 93 = 363
10 x = 363-93
x= 270/10
x= 27
题:10 x + 94 = 364
10 x = 364-94
x= 270/10
x= 27
题:10 x + 95 = 365
10 x = 365-95
x= 270/10
x= 27
题:10 x + 96 = 366
10 x = 366-96
x= 270/10
x= 27
题:10 x + 97 = 367
10 x = 367-97
x= 270/10
x= 27
题:10 x + 98 = 368
10 x = 368-98
x= 270/10
x= 27
题:10 x + 99 = 369
10 x = 369-99
x= 270/10
x= 27
题:10 x + 90 = 370
10 x = 370-90
x= 280/10
x= 28
题:10 x + 91 = 371
10 x = 371-91
x= 280/10
x= 28
题:10 x + 92 = 372
10 x = 372-92
x= 280/10
x= 28
题:10 x + 93 = 373
10 x = 373-93
x= 280/10
x= 28
题:10 x + 94 = 374
10 x = 374-94
x= 280/10
x= 28
题:10 x + 95 = 375
10 x = 375-95
x= 280/10
x= 28
题:10 x + 96 = 376
10 x = 376-96
x= 280/10
x= 28
题:10 x + 97 = 377
10 x = 377-97
x= 280/10
x= 28
题:10 x + 98 = 378
10 x = 378-98
x= 280/10
x= 28
题:10 x + 99 = 379
10 x = 379-99
x= 280/10
x= 28
题:10 x + 90 = 380
10 x = 380-90
x= 290/10
x= 29
题:10 x + 91 = 381
10 x = 381-91
x= 290/10
x= 29
题:10 x + 92 = 382
10 x = 382-92
x= 290/10
x= 29
题:10 x + 93 = 383
10 x = 383-93
x= 290/10
x= 29
题:10 x + 94 = 384
10 x = 384-94
x= 290/10
x= 29
题:10 x + 95 = 385
10 x = 385-95
x= 290/10
x= 29
题:10 x + 96 = 386
10 x = 386-96
x= 290/10
x= 29
题:10 x + 97 = 387
10 x = 387-97
x= 290/10
x= 29
题:10 x + 98 = 388
10 x = 388-98
x= 290/10
x= 29
题:10 x + 99 = 389
10 x = 389-99
x= 290/10
x= 29
题:11 x + 90 = 310
11 x = 310-90
x= 220/11
x= 20
题:11 x + 91 = 311
11 x = 311-91
x= 220/11
x= 20
题:11 x + 92 = 312
11 x = 312-92
x= 220/11
x= 20
题:11 x + 93 = 313
11 x = 313-93
x= 220/11
x= 20
题:11 x + 94 = 314
11 x = 314-94
x= 220/11
x= 20
题:11 x + 95 = 315
11 x = 315-95
x= 220/11
x= 20
题:11 x + 96 = 316
11 x = 316-96
x= 220/11
x= 20
题:11 x + 97 = 317
11 x = 317-97
x= 220/11
x= 20
题:11 x + 98 = 318
11 x = 318-98
x= 220/11
x= 20
题:11 x + 99 = 319
11 x = 319-99
x= 220/11
x= 20
题:11 x + 90 = 321
11 x = 321-90
x= 231/11
x= 21
题:11 x + 91 = 322
11 x = 322-91
x= 231/11
x= 21
题:11 x + 92 = 323
11 x = 323-92
x= 231/11
x= 21
题:11 x + 93 = 324
11 x = 324-93
x= 231/11
x= 21
题:11 x + 94 = 325
11 x = 325-94
x= 231/11
x= 21
题:11 x + 95 = 326
11 x = 326-95
x= 231/11
x= 21
题:11 x + 96 = 327
11 x = 327-96
x= 231/11
x= 21
题:11 x + 97 = 328
11 x = 328-97
x= 231/11
x= 21
题:11 x + 98 = 329
11 x = 329-98
x= 231/11
x= 21
题:11 x + 99 = 330
11 x = 330-99
x= 231/11
x= 21
题:11 x + 90 = 332
11 x = 332-90
x= 242/11
x= 22
题:11 x + 91 = 333
11 x = 333-91
x= 242/11
x= 22
题:11 x + 92 = 334
11 x = 334-92
x= 242/11
x= 22
题:11 x + 93 = 335
11 x = 335-93
x= 242/11
x= 22
题:11 x + 94 = 336
11 x = 336-94
x= 242/11
x= 22
题:11 x + 95 = 337
11 x = 337-95
x= 242/11
x= 22
题:11 x + 96 = 338
11 x = 338-96
x= 242/11
x= 22
题:12 x + 99 = 375
12 x = 375-99
x= 276/12
x= 23
题:13 x + 90 = 454
13 x = 454-90
x= 364/13
x= 28
题:13 x + 91 = 455
13 x = 455-91
x= 364/13
x= 28
题:13 x + 92 = 456
13 x = 456-92
x= 364/13
x= 28
题:16 x + 99 = 467
16 x = 467-99
x= 368/16
x= 23
题:16 x + 90 = 474
16 x = 474-90
x= 384/16
x= 24
题:16 x + 91 = 475
16 x = 475-91
x= 384/16
x= 24
题:16 x + 92 = 476
16 x = 476-92
x= 384/16
x= 24
题:18 x + 93 = 471
18 x = 471-93
x= 378/18
x= 21
题:18 x + 94 = 472
18 x = 472-94
x= 378/18
x= 21
题:18 x + 95 = 473
18 x = 473-95
x= 378/18
x= 21
题:18 x + 99 = 585
18 x = 585-99
x= 486/18
x= 27
题:18 x + 90 = 594
18 x = 594-90
x= 504/18
x= 28
题:19 x + 95 = 532
19 x = 532-95
x= 437/19
x= 23
题:19 x + 96 = 533
19 x = 533-96
x= 437/19
x= 23
题:19 x + 92 = 643
19 x = 643-92
x= 551/19
x= 29
题:19 x + 93 = 644
19 x = 644-93
x= 551/19
x= 29
题:19 x + 94 = 645
19 x = 645-94
x= 551/19
x= 29
题:19 x + 95 = 646
19 x = 646-95
x= 551/19
x= 29
题:19 x + 96 = 647
19 x = 647-96
x= 551/19
x= 29
题:19 x + 97 = 648
19 x = 648-97
x= 551/19
x= 29
题:19 x + 98 = 649
19 x = 649-98
x= 551/19
x= 29
题:19 x + 99 = 650
19 x = 650-99
x= 551/19
x= 29

回答2:

10X十97=357

回答3:

((1)2x+8=16
2x=16-8
x=8÷2
x=4
(2)x÷5=10
x=5×10
x=50
(3)x+7x=8
8x=8
x=8÷8
x=1
(4)9x-3x=6
6x=6
x=6÷6
x=1
(5)6x-8=4
6x=8+4
x=12÷6
x=2
(6)5x+x=9
6x=9
x=9÷6
x=1.5
(7)8x-8=6x
8x-6x=8
2x=8
x=8÷2
x=4
(8)40÷5x=20
5x=40÷20
x=2÷5
x=0.4
(9)2x-6=12
2x=6+12
2x=18
x=18÷2
x=9
(10)7x+7=14
7x=14-7
x=7÷7
x=1
(11)6x-6=0
6x=6
x=6÷6
x=1
(12)5x+6=11
5x=11-6
5x=5
x=5÷5
x=1
(13)2x-8=10
2x=8+10
x=18÷2、
x=9
(14)12x-8=4
12x=8+4
x=12÷12
x=1
(15)(x-5)÷6=7
x-5=6×7
x=42+5
x=47
(16)3x+7=28
3x=28-7
x=21÷3
x=7
(17)3x-7=26
3x=7+26
x=33÷3
x=11
(18)9x-x=16
8x=16
x=16÷8
x=2
(19)24x+x=50
25x=50
x=50÷25
x=2
(20)7x-8=20
7x=8+20
x=28÷7
x=4
(21)3x-9=30
3x=9+30
x=39÷3
x=13
(22)6x+6=12
6x=12-6
6x=6
x=1
(23)3x-3=12
3x=3+12
x=15÷3
x=5
(24)5x-3x=4
2x=4
x=4÷2
x=2
(25)2x+16=19
2x=19-16
x=3÷2
x=1.5
(26)5x+8=19
5x=19-8
x=11÷5
x=2.2
(27)14-6x=8
6x=14-8
6x=6
x=6÷6
x=1
(28)15+6x=27
6x=27-15
x=12÷6
x=2
(29)5-8x=4
8x=5-4
x=1÷8
x=0.125
(30)7x+8=15
7x=15-8
x=7÷7
x=1
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一、填空题(每小题3分,共24分) 1.(-1)2002-(-1)2003=_________________. 答案:2 2.已知某数的 比它大 ,若设某数为x,则可列方程_______________. 答案: x=x+ 3.如图1,点A、B、C、D在直线l上.则BC=_________-CD,AB+________+CD=AD;若AB=BC=CD,则AB=________BD. 图1 答案:BD,BC, 4.若∠α=41°32′,则它的余角是____________,它的补角是__________. 答案:48°28′,138°28′ 5.如图2,求下列各角:∠1=___________,∠2=___________,∠3=___________. 图2 答案:62.5°,25°,130° 6.两条直线相交,有_____________个交点;三条直线两两相交最多有_____________个交点,最少有_____________个交点. 答案:且只有一,三,一 7.38°12′=_____________°,67.5°=__________°___________′. 答案:38.2,67,30 8.如果 x2-3x=1是关于x的一元一次方程,则a=_________________. 答案: 二、选择题:(每小题3分,共24分) 9.下列说法中,正确的是 A.|a|不是负数 B.-a是负数 C.-(-a)一定是正数 D. 不是整数 答案:A. 10.平面上有任意三点,经过其中两点画一条直线,共可以画 A.一条直线 B.二条直线 C.三条直线 D.一条或三条直线 答案:D. 11.下列画图语句中,正确的是 A.画射线OP=3 cm B.连结A、B两点 C.画出A、B两点的中点 D.画出A、B两点的距离 答案:B. 12.下列图形中能折成正方体的有 图3 A.1个 B.2个 C.3个 D.4个 答案:D. 13.下列图形是,是左边图形绕直线l旋转一周后得到的是 图4 答案:D. 14.图5是某村农作物统计图,其中水稻所占的比例是 图5 A.40% B.72% C.48% D.52% 答案:C. 15.下列说法,正确的是 ①所有的直角都相等 ②所有的余角都相等 ③等角的补角相等 ④相等的角是直角.其中正确的是 A.①② B.①③ C.②③ D.③④ 答案:B. 16.若|x- |+(2y+1)2=0,则x2+ y2的值是 A. B. C.- D.- 答案:B. 三、解答下列各题 17.计算题(每小题3分,共12分) (1)(- )×(-1 )÷(-1 ) (2)32÷(-2)3+(-2)3×(- )-22 (3)( - )÷( - )2÷(-6)2-(- )2 (4)1 ×〔3×(- )2-1〕- 〔(-2)2-(4.5)÷3〕 答案:(1)-1 (2)-2 (3)- (4)- 18.解方程:(每小题5分,共10分) (1) 〔 ( x- )-8〕= x+1 (2) - - =0 答案:(1)x=- (2)x=- 19.(6分)如图6,已知AOB为直线,OC平分∠AOD,∠BOD=50°,求∠AOC的度数. 图6 答案:65° 20.(6分)一个角的余角的3倍比这个角的补角大18°,求这个角的度数. 答案:36° 21.(6分)制作适当的统计图表示下表数据: 1949年以后我国历次人口普查情况 年份 1953 1964 1982 1990 2000 人口(亿) 5.94 6.95 10.08 11.34 12.95 答案:可制作条形统计图 (略). 22.(12分)一列客车长200 m,一列货车长280 m,在平行的轨道上相向行驶,从两车头相遇到两车尾相离经过18 s,已知客车与货车的速度之比是5∶3,问两车每秒各行驶多少米? 解:设客车的速度是5x,则货车速度为3x.根据题意,得 18(5x+3x)=200+280. 解得x= ,即客车的速度是 m/s.货车的速度是10 m/s. 参考资料: http://zhidao.baidu.com/question/42971029.html?si=9 展开其他相似回答 (1) 隐藏其他相似回答 (1) [硕士生] 54980516 [硕士生] 2009-1-12 下午09:35:04 222.64.119.* 举报 带答案的行吗?七年级第一学期期末测试卷 (时间:100分钟,满分100分) 一、填空题(每小题3分,共24分) 1.(-1)2002-(-1)2003=_________________. 答案:2 2.已知某数的 比它大 ,若设某数为x,则可列方程_______________. 答案: x=x+ 3.如图1,点A、B、C、D在直线l上.则BC=_________-CD,AB+________+CD=AD;若AB=BC=CD,则AB=________BD. 图1 答案:BD,BC, 4.若∠α=41°32′,则它的余角是____________,它的补角是__________. 答案:48°28′,138°28′ 5.如图2,求下列各角:∠1=___________,∠2=___________,∠3=___________. 图2 答案:62.5°,25°,130° 6.两条直线相交,有_____________个交点;三条直线两两相交最多有_____________个交点,最少有_____________个交点. 答案:且只有一,三,一 7.38°12′=_____________°,67.5°=__________°___________′. 答案:38.2,67,30 8.如果 x2-3x=1是关于x的一元一次方程,则a=_________________. 答案: 二、选择题:(每小题3分,共24分) 9.下列说法中,正确的是 A.|a|不是负数 B.-a是负数 C.-(-a)一定是正数 D. 不是整数 答案:A. 10.平面上有任意三点,经过其中两点画一条直线,共可以画 A.一条直线 B.二条直线 C.三条直线 D.一条或三条直线 答案:D. 11.下列画图语句中,正确的是 A.画射线OP=3 cm B.连结A、B两点 C.画出A、B两点的中点 D.画出A、B两点的距离 答案:B. 12.下列图形中能折成正方体的有 图3 A.1个 B.2个 C.3个 D.4个 答案:D. 13.下列图形是,是左边图形绕直线l旋转一周后得到的是 图4 答案:D. 14.图5是某村农作物统计图,其中水稻所占的比例是 图5 A.40% B.72% C.48% D.52% 答案:C. 15.下列说法,正确的是 ①所有的直角都相等 ②所有的余角都相等 ③等角的补角相等 ④相等的角是直角.其中正确的是 A.①② B.①③ C.②③ D.③④ 答案:B. 16.若|x- |+(2y+1)2=0,则x2+ y2的值是 A. B. C.- D.- 答案:B. 三、解答下列各题 17.计算题(每小题3分,共12分) (1)(- )×(-1 )÷(-1 ) (2)32÷(-2)3+(-2)3×(- )-22 (3)( - )÷( - )2÷(-6)2-(- )2 (4)1 ×〔3×(- )2-1〕- 〔(-2)2-(4.5)÷3〕 答案:(1)-1 (2)-2 (3)- (4)- 18.解方程:(每小题5分,共10分) (1) 〔 ( x- )-8〕= x+1 (2) - - =0 答案:(1)x=- (2)x=- 19.(6分)如图6,已知AOB为直线,OC平分∠AOD,∠BOD=50°,求∠AOC的度数. 图6 答案:65° 20.(6分)一个角的余角的3倍比这个角的补角大18°,求这个角的度数. 答案:36° 21.(6分)制作适当的统计图表示下表数据: 1949年以后我国历次人口普查情况 年份 1953 1964 1982 1990 2000 人口(亿) 5.94 6.95 10.08 11.34 12.95 答案:可制作条形统计图 (略). 22.(12分)一列客车长200 m,一列货车长280 m,在平行的轨道上相向行驶,从两车头相遇到两车尾相离经过18 s,已知客车与货车的速度之比是5∶3,问两车每秒各行驶多少米? 解:设客车的速度是5x,则货车速度为3x.根据题意,得 18(5x+3x)=200+280. 解得x= ,即客车的速度是 m/s.货车的速度是10 m/s. 参考资料: http://zhidao.baidu.com/question/42971029.html?si=9 ]七年级期末数学复习题 (满分100分,90分钟完卷) 一.选择题:(每小题3分,共24分) 1.在 , ,- , ,3.14,2+ ,- ,0, ,1.262662666…中,属于无理数的个数是( ) A.3个 B. 4个 C. 5个 D.6个 2.若a<0,在平面直角坐标系中,将点(a,-3)分别向左、向上平移4个单位,可以得到的对应点的位置在( ) A.第一象限 B.第二象限 C.第三象限 D.第四象限 3.有4根木条,长度分别为4cm,7cm,9cm,11cm,选其中三根组成三角形,则选择的方法有( ) A.1种 B.2种 C.3种 D.4种 4.一次不等式组 的解是( ) A.x>-3 B.x<2 C.2

回答4:

5257554855863586248555554112366987112398

回答5:

太好