(精品推荐)小学数学经典升学题型分类专项训练-解方程及解比例经典升学题型.doc

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1、小学数学经典升学题型分类专项训练小学数学经典升学题型分类专项训练 ( (解方程及解比例解方程及解比例经典升学题型经典升学题型) ) 1. : 8 3 = 3 2 :4 2. : 0.3 =0.4 : 0.8 3. x 6 = 7 2 4. 5 . 1 75. 0 = 6 x 5. x 4 = 6 5 6. : 2 1 = 3 2 :4 7. 6.5: =3.25 : 4 8. 5 . 2 2 . 1 = x 3 9. X: 10=4 1 : 3 1 10. 0.40.4:X=1.2X=1.2:2 2 11. 4 . 2 12 = = x 3 12. 2 1 : 5 1 = 4 1 :X 13.

2、 4 3 :X=3:12 14. 1.25:0.25=X:1.6 15. X 36 = 3 54 16. 2. .1(x0. .6)= 1. .4 17. (x +7)1 5 1 = 6.4.4 18. 4 3 2 x 123 = 14 19. x 9 4 x = 4 . .52 7 1 20. 32 9 4 1 21. 15 14 5 2 1 22. (1+1+1 1 4 4 )=250 =250 23. - -2 2 5 5 =0.3 =0.3 24. 3 3 7 7 + + 1 1 4 4 = = 1919 5 5 25. (1(1- -1 1 4 4 - - 1 1 5 5 )=550

3、 )=550 26. 1 3 4 X = 3 5 27. X 1 4 X = 3 8 28. 1.25 :0.25 = X 1.6 29. : 30. 。 31. 4 4 9 9 : 1 1 6 6 = = x x:15 15 32. 4.8x4.8x 1 11 1 5 5 x=18 x=18 33. xx1 1 3 3 7=103 7=103 34. 6. 5:x=3. 25:4 35. x x 2 2 = = 0.150.15 0.60.6 36. 1.251.25 0.250.25 = = x x 1.61.6 37. 1 3 4 X = 3 5 38. X 1 4 X = 3 8 39

4、. 1.25 :0.25 = X 1.6 40. 3 5 6 5 41. 1 12 1 2 1 2 42. 4 3 4 1 2 1 43. 5 4 12 44. 7 8 = 11 16 45. ( 3 4 + 2 3 )= 7 24 46. 5X3 10 7 = 5 7 47. 5 4 2 1 X= 10 9 48. 8x8x 4 1 3 3 4 45 49. (x x6 6) 6 5 2525 50. X 2 7 X=4 3 51. 2X + 2 5 = 3 5 52. X 5 3 =20=20 4 1 53. X 8 3 X121121 54. 5 5X3 3 21 5 7 5 55. 3

5、 2 X 4 1 1212 56. 6 6X5 5 =13.4=13.4 57. 8 3 4 1 4 3 X 58. 3 3X= = 8 3 59. X 7 2 = = 16 7 60. X 8 7 X= 4 3 61. 4X6 3 2 =2 62. 1212 5 5 X= = 3 3 1010 63. 5 3 X = = 72 25 64. 9 8 X = = 6 1 51 16 65. X 35 6 = 45 26 25 13 66. 4x3 9 = 29 67. 2 1 x + 6 1 x = 4 68. 10 3 X2121 3 2 =4=4 69. 20 4 1 xx 70. 8)6

6、 . 2(2x 71. 6 6X5 5 =13.4=13.4 72. 2 5 X- 1 3 X= 3 10 73. 4638 74. 5 5X= = 19 15 75. 21 8 X= = 15 4 76. X 5 4 = 28 15 77. X 35 6 = 45 26 25 13 78. X-0.25= 4 1 79. 4+0.7X=102 80. 3 2 X+ 2 1 X=42=42 81. X+ + 4 1 X=105 82. X- 8 3 X=400 83. X-0.125X=8 84. X 36 = 4 3 85. X+ +3 3 7 7 X=18 =18 86. X( ( 1 1

7、 6 6 + + 3 3 8 8 )= )=13 13 1212 87. x0.3750.375x= = 6 5 88. x 3 2 + + 2 1 =4=4 8 3 89. X 7 3 X12 90. 5 X2.458 91. 0.360.365 5- - 3 3 4 4 x = = 3 3 5 5 92.92. 2 2 3 3 ( (x- - 4.5) 4.5) = 7= 7 93.93. x- - 0.80.8x = 16= 16+6+6 94.94. 2020 x 8.5= 1.58.5= 1.5 95.95. x- - 4 4 5 5 x - -4 4= = 96.96. X3 7

8、X= 8 9 97.97. x- - 5 2 x= =14 98.98. 5 3 + + 4 1 x= = 20 17 99.99. 7- - 3 2 = =2x x 100.100. 3 1 X X+ +5= 2 1 X X 101.101. 5 3 X X + + 5 2 = 5= 5 102.102. x x - - 8 5 x= = 3 1 45 103.103. 3 : 8 = 3 : 8 = : 40: 40 104.104. x 9 = = 8 . 0 5 . 4 105.105. 2X2X3 30.9=0.9=24.724.7 106.106. 0.3 0.3 :x=17 x=

9、17 :5151 107.107. X 2 . 3 =0.5=0.5 108.108. 698 .26 2 1 x 109.109. x+30%x =52 110.110. 111.111. 112.112. () 113. x 114.114. 5050 + 3030 = 8= 8 115.115. - - 2020 = 40= 40 116.116. 7 8 = 11 16 117.117. ( 3 4 + 2 3 )= 7 24 118.118. 3 5 6 5 119.119. 1 12 1 2 1 2 120.120. 125x=6. 5 121.121. 4 522 5 x 122

10、.122. 16 9 :x= 16 3 123.123. 3030 = 90= 90 124.124. + 20+ 20 = 40= 40 125.125. 4:6=X:1 6 126.126. 25:7=X:3525:7=X:35 127.127. 514: 35= 57:x514: 35= 57:x 128.128. 23:X= 1223:X= 12: 1414 129.129. X:15=13: 56X:15=13: 56 130.130. 34:X= 54:234:X= 54:2 131.131. X0.75= 81.25X0.75= 81.25 132.132. X X:1 1 5

11、4 3 1 :1.51.5 133.133. 2 1 : 5 1 4 1 :X X 134.134. 25 X 75 2 . 1 135.135. 25. 0 25. 1 6 . 1 X 136.136. 5 5 3 1 :0.40.42 2 7 2 :X X 137.137. 2.82.8: 5 4 0.70.7:X X 138.138. X30%X=52 139. X 40%X=15 140.140. 11 12 X120%X=6.5 141.141. 3X90%4=9 142.142. 4X0.4X=70.4 143.143. 11 12 X120%=6.5 144.144. 5X310

12、 7 =7 5 145.145. 52 3 X= 1 3 146.146. 2X40%X=7.2 147.147. 5(X1 3 )=2 148.148. X 2 7 X= 4 3 149.149. 2X + 2 5 = 3 5 150.150. 70%X + 20%X = 3.6 151.151. X X 5 3 =20=20 4 1 152.152. 25% + 10X = 25% + 10X = 5 4 153.153. X X - - 15%X = 6815%X = 68 154.154. 4X4X25%X25%X18.7518.75 155.155. 3 1 : : 20 1 1 1

13、 9 7 :X:X 156.156. 7.83X =3.6 157.157. X1.98=0.4 158.158. (4.5X)0.375=0.75 159.159. 1 2 X 2 3 X14 160.160. X0.52 X3.20.15 161.161. 1 2 X2510 162.162. 40.8x100 163.163. 4040( x ( x 20 )= 20 )= 4 4 5 5 164.164. 1 1 5 5 8 8 x = x = 6 25 165.165. 5 4 3 2 x 166.166. 10 7 5 2 x 167.167. 8 3 7 6 x 168. 8 5

14、 3 2 x 169.169. 21 10 9 4 xx 170.170. 35 33 5 3 7 2 x 171.171. 24%20xx i. 1 53 xx 172.172. 0.3x +90%=540.3x +90%=54 173.173. 12125x = 6. 55x = 6. 5 174.174. 3 2 x x 2 1 x = 42x = 42 175.175. 3030 = 90= 90 176.176. + 20+ 20 = 40= 40 177. 178.178. 179.179. () 180. x 181.181. 3.2x- -4 3=52 182. x1.2=34

15、 183. 766048XX 184.184. 2127418.X 185.185. x 1.6 1.25 0.25 186.186. 2x1. .6 652. .35357 7 187. x 4 3 = 6 5 188. 3 2 x 4 3 x = 6 1 189. 5x 0.810 3.19 190.190. 2 1 : 8 3 x : 0.8 191. 4 3 x+ 2 1 4 3 =1 192.192. x( 4 3 3 2 )= 6 5 193.193. 3 1 4 3 4 1 xx 194.194. 9 32 : 8 7 : 16 7 x 195.195. 72=28x x 196

16、.196. 2 2 . 1 = = 5 X 197.197. 15 4 3 3=x 5 6 198.198. 3 1 x=x= 45 4 20 3 199.199. 2 1 : 10 1 4 1 :x x 200.200. x x 8 1 x x 9.459.45 201.201. 3.73.75 52 2x x 2 1 202.202. 2 1 x x4 44.74.7 203.203. 80804x=564x=56 204.204. 2 1 x x 3 2 x=x= 6 5 205.205. 12x12x7 730%=14.730%=14.7 206.206. 8 x 6 . 0 24.

17、0 207.207. 1.241.244 47x=7x= 5 3 208.208. x x30%x=50%x30%x=50%x1212 209. 3.5-2.5x=0.375 210. 10.8:4=x:7 211.211. 25 4 x=0.8x=0.8 212.212. 5 3 x x5 54=954=95 213.213. x x 4 3 x x4=184=18 214. 2X30.9 = 24.7 215. X 2 3 X= 1 3 216.216. 42 2 1 3 2 xx 217.217. 2.4 3 8 3X=6 218.218. 36 3 2 X= 18 219. X:42=

18、5 7 :10 220.220. 3X3X2.12.11.441.44 221.221. 2727 5 5 :X X9 9 5 5 :2 2 222.222. 3X3X2.12.11.441.44 223.223. 2727 5 5 :X X9 9 5 5 :2 2 224.224. 2 1 X X- - 5 4 = = 5 1 225.225. 2X2X0.1=10.1=1 226.226. 5 . 1 X = = 5 3 227. 4 3 X- 8 3 =1.75 228.228. 0.36:8=X:25 229.229. x:5 = :0.5 230. 3:8 = x: 2.4 :x =

19、 6 231.231. : 232.232. . . 233.233. 4 4 9 9 : 1 1 6 6 = = x x:15 15 234.234. 4.8x4.8x 1 11 1 5 5 x=18 x=18 235.235. xx1 1 3 3 7=103 7=103 236. 6. 5:x=3. 25:4 237.237. x x 2 2 = = 0.150.15 0.60.6 238.238. 1.251.25 0.250.25 = = x x 1.61.6 239. 1 3 4 X = 3 5 240. X 1 4 X = 3 8 241. 1.25 :0.25 = X 1.6 2

20、42. 5 3 5 6 243.243. 42 5 3 7 5 244.244. 18 8 2 .7 245.245. 0.36520.4 246. 2.4 3 8 3X=6 247.247. 36 3 2 X= 18 248.248. X:42=5 7 :10 249.249. 804x=56 250.250. 2 1 x x 3 2 x=x= 6 5 251. 12x12x7 730%=14.730%=14.7 252. 3 5 . 2 6 x 253. 4 1 x50.4 254. 2.75x十 2 3 3 2 1 6 255. 12 7 9 8 x 256. x2 . 3 2 3 4

21、. 2 257.257. 7 9 9 49 3 28 x 258.258. 3 19 75. 23 2 3 x 259.259. 3232x=6x=6 260.260. 22.2+x=100.122.2+x=100.1 261.261. 5.2+0.4x=7.85.2+0.4x=7.8 262.262. 3.6x3.6x5.2=7.45.2=7.4 263.263. 9x+6x = 4.59x+6x = 4.5 264.264. 10x10x4 45=05=0 265.265. 0.860.862 27.1x=0.3 7.1x=0.3 266.266. X+8.3=10.7 267. 3x+9

22、=27 268.268. 3x816 269.269. 5.3+7x=7.4 270.270. 3x5=4.83x5=4.8 271.271. X-0.8X=6 272.272. 12x+8x=4.8 273.273. (200-x) 5=30 274.274. 41-3x=17 275.275. 81813x=93x=9 276.276. 7 8 = 11 16 277.277. ( 3 4 + 2 3 )= 7 24 278.278. 7 8 = 11 16 279.279. ( 3 4 + 2 3 )= 7 24 280.280. 3 5 6 5 281.281. 1 12 1 2 1

23、2 282.282. 80%X80%X12124040 283.283. X X20%X20%X1616 284.284. X X30%X30%X6565 285.285. 1 1 3 1 X X 6 5 286.286. 25%X = 75 287.287. 60%X X35%X = 125 288.288. X40%X = 120 289.289. X X15%X = 11515%X = 115 290.290. 15X15X- -3 30=1500=150 291.291. 8X+42=1788X+42=178 292.292. x x- -0.25= 0.25= 1 1 4 4 293

24、.293. 1 1 2020 : : 1 1 5 5 =x:0.8 =x:0.8 294.294. 5 50.7X 0.7X 103103 295.295. X X 5 3 2 2 3 1 296.296. (1 130% X30% X)0.50.50.350.35 297.297. 4 3 :X X 5 2 : 5 1 298.298. 1 1 4 3 X X 5 3 299.299. x3 12 3 5 . 1 300.300. 14 15 74x x=850% 301. 1313:7 7 4 x 302.302. 2X30.9 = 24.7 303.303. 0.3 :X = 17 :5

25、1 304.304. 5 2 :3.53.51 1 7 1 :x x 305. 2x2x1 1 8 5 2 2 12 1 306.306. 6 3 2 3.5x6 307.307. 4 3 3 2 x6 6 308.308. 12126=9.56=9.5 309.309. 3.53.5- -2.72.7=3.3=3.31212 310.310. 4 42 2 3 3 X = X = 2 2 5 5 311.311. 8 8(x x2 2)= 2(x= 2(x7)7) 312.312. 3 3 2020 :18% = :18% = 6.5 6.5 x x 313.313. 12125x = 6.

26、 55x = 6. 5 314.314. 3 2 x + x + 2 1 x = 42x = 42 315.315. 3.2x43=52 316.316. x1.2= 4 3 317.317. (0.280.28 10 7 )7 7 318.318. ( 2 1 4 1 5 1 )6060 319.319. x x80%80%x x 6=166=16 320.320. 1616(x x7 7)=320=3204 4 321.321. 9 1 : 3 2 =8=8:x x 322.322. 1.251.250.250.25x x1.61.6 323.323. 2:2 x:5 324.324. 6

27、x+4.8=126x+4.8=12 325.325. 15x15x3=603=60 326.326. 4x 327.327. .3xx 328.328. x 10 = 5.2 329.329. 3x+ 7x +10 = 90 330.330. 3(x - 12)+ 23 = 35 331.331. 7x82x27 332.332. 12x8x1228 333.333. 3(2x1)10=37 334.334. 1.6x3.4xx527 335.335. 8.88.84X=404X=40 336.336. 12X12X3=163=16 337.337. 6X6X2X=562X=56 338.33

28、8. 3X3X0.5X=50.5X=5 339.339. 0.24X0.24X1.8=4.21.8=4.2 340.340. 3X3X5 50.30.3=4.5=4.5 341.341. X(11 4 )=3.6 342.342. 1 2 4 5 X=0.1 343.343. 3 4 (X 1 3 )=0 344.344. X 2 7 X= 4 3 345.345. 2X + 2 5 = 3 5 346.346. 70%X + 20%X = 3.6 347.347. X X 5 3 =20=20 4 1 348.348. 25% 25% + 10X = + 10X = 5 4 349.349.

29、 X X - - 15%X = 6815%X = 68 350.350. X X 8 3 X X121121 351.351. 5X5X3 3 21 5 7 5 352.352. 3 2 X X 4 1 1212 353.353. 6X6X5 5 =13.4 =13.4 354.354. 8 3 4 1 4 3 X 355.355. 3X=3X= 8 3 356.356. X X 7 2 = = 16 7 357.357. X 8 7 X= 4 3 358.358. 4X6 3 2 =2 359.359. 1212 5 5 X=X= 3 3 1010 360.360. 5 3 X = X =

30、72 25 361.361. 9 8 X = X = 6 1 51 16 362.362. X X 35 6 = 45 26 25 13 363.363. 4x3 9 = 29 364.364. 2 1 x + 6 1 x = 4 365.365. 10 3 X X2121 3 2 =4=4 366.366. 20 4 1 xx 367.367. 8)6 . 2(2x 368.368. 6X6X5 5 =13.4=13.4 369.369. 2 5 X- 1 3 X= 3 10 370.370. 4638 371.371. 5X=5X= 19 15 372.372. 21 8 X=X= 15

31、4 373.373. X X 5 4 = 28 15 374.374. 3 2 X 4 1 =12 375.375. 5 3 X= 72 25 376.376. 9 8 X= 6 1 51 16 377.377. X 35 6 = 45 26 25 13 378.378. X-0.25= 4 1 379.379. 4 X =30% 380.380. 4+0.7X=102 381.381. 3 2 X+ 2 1 X=42=42 382.382. X+X+ 4 1 X=105 383.383. X- 8 3 X=400 384.384. X-0.125X=8 385.385. X 36 = 4 3

32、 386.386. X+X+3 3 7 7 X=18 X=18 387.387. X X( ( 1 1 6 6 + + 3 3 8 8 )= )=13 13 1212 388.388. x x0.375x=0.375x= 6 5 389.389. x x 3 2 + + 2 1 =4=4 8 3 390.390. X 7 3 X12 391.391. 5 X2.458 392.392. 0.360.365 5- - 3 3 4 4 x x = = 3 3 5 5 393.393. 2 2 3 3 ( (x x- - 4.5) 4.5) = 7= 7 394.394. 1 1 2 2 x x-

33、- 25% 25%x x = 10= 10 395.395. x x- - 0.80.8x x = 16= 16+6+6 396.396. 2020 x x 8.5= 1.58.5= 1.5 397.397. x x- - 4 4 5 5 x x - -4 4= 21 = 21 398.398. X25%X=90 399.399. X3 7 X= 8 9 400.400. 5 3 1 5 3 2x 401.401. 0.8=2.80.7 402.402. 8.40.5=x1.95 403.403. 3.61.7=x1.7 404.404. x2.5=9.12.5 405.405. 0.7x=4

34、.89.6 406.406. 2.7x=0.30.6 407.407. 0.70.2=2.8x 408.408. 3.7x=7.49.6 409.409. x25=9125 410.410. 7x=4896 411.411. 4x=7638 412.412. 1612=4x 413.413. 27x=96 414.414. 72=28x 415.415. x48=56 416.416. 4215=56x 417.417. (0.5+x)+x=9.8 2 418. 2(X+X+0.5)=9.8 419. 25000+x=6x 420. 3200=450+5X+X 421. X-0.8X=6 42

35、2. 12x-8x=4.8 423. 7.5*2X=15 424. 1.2x=81.6 425. x+5.6=9.4 426. x x- -0.7x=3.60.7x=3.6 427. 91 x 1.3 428. X+8.3=10.7 429. 15x 3 430. 3x816 431. 7(x-2)=2x+3 432. 3x+9=27 433. 18(x-2)=270 434. 12x=300-4x 435. 7x+5.3=7.4 436. 3x 5=4.8 437. 30 x+25=85 438. 1.48-2x=6 439. 6x-12.83=0.06 440. 410-3x=170 44

36、1. 3(x+0.5)=21 442. 0.5x+8=43 443. 6x-3x=18 444. 1.5x+18=3x 445. 53-x 2=8 446. 0.273 x=0.35 447. 1.8x=0.972 448. x 0.756=90 449. 9x-40=5 450. x 5+9=21 451. 48-27+5x=31 452. 10.5+x+21=56 453. x+2x+18=78 454. (200-x) 5=30 455. (x-140) 70=4 456. 0.1(x+6)=3.30.4 457. 4(x-5.6)=1.6 458. 7(6.5+x)=87.5 459.

37、459. (27.5-3.5) x=4 460. x+19.8=25.8 461. 5.6x=33.6 462. 9.8-x=3.8 463. 75.6 x=12.6 464. 5x+12.5=32.3 465. 5(x+8)=102 466. x+3x+10=70 467. 3(x+3)=50-x+3 468. 5x+15=60 469. 3.5-5x=2 470. 0.37+4x=12.5 471. x 1.5-1.25=0.75 472. 4x-1.36=2.6 473. 20-9x=1.26.25 474. 6x+12.8=15.8 475. 1502+3x=690 476. 2x-2

38、0=4 477. 3x+6=18 478. 2(2.8+x)=10.4 479. (x-3) 2=7.5 480. 13.2x+9x=33.3 481. 3x=x+100 482. x+4.8=7.2 483. 6x+18=48 484. 3(x+2.1)=10.5 485. 12x-9x=8.7 486. 13(x+5)=169 487. 2x-97=34.2 488. 3.4x-48=26.8 489. 42x+25x=134 490. 1.5(x+1.6)=3.6 491. 2(x-3)=5.8 492. 65x+7=42 493. 9x+42.591 494. 4.2 x+2.5x13

39、4 495. 10.5x+6.5x=51 496. 89x-43x=9.2 497. 5x-45=100 498. 1.2x-0.5x=6.3 499. 23.4=2x=56 500. 4x-x=48.6 501. 4.5x-x=28 502. X-5.7=2.15 503. 15 5X-2X=18 504. 3X+0.7=5 505. 3.52= 4.2+x 506. 261.5= 2x+10 507. 0.516160.2=4x 508. 13 9.25X=0.403 509. 16.9 X=0. 3 510. 23x=14x14 511. x14x=65 512. 3 5x80 513.

40、 1.8 +6x54 514. 6.7x 60.36.7 515. 9 4x 40 516. 2x+8=16 517. 23x-14x=14 518. x+7x=8 519. 9x-3x=6 520. 6x-8=4 521. 5x+x=9 522. x-8=6x 523. 4/5x=20 524. 2x-6=12 525. 7x+7=14 526. 6x-6=0 527. 5x+6=11 528. 2x-8=10 529. 1/2x-8=4 530. x-5/6=7 531. 3x+7=28 532. 3x-7=26 533. 9x-x=16 534. 24x+x=50 535. 6/7x-8

41、=4 536. 3x-8=30 537. 6x+6=12 538. 3x-3=1 539. 5x-3x=4 540. 2x+16=19 541. 5x+8=19 542. 14-6x=8 543. 15+6x=27 544. 5-8x=4 545. 7x+8=15 546. 9-2x=1 547. 4+5x=9 548. 10-x=8 549. 8x+9=17 550. 9+6x=14 551. x+9x=4+7 552. 2x+9=17 553. 8-4x=6 554. 6x-7=12 555. 7x-9=8 556. x-56=1 557. 8-7x=1 558. x-30=12 559.

42、 6x-21=21 560. 6x-3=6 561. 9x=18 562. 4x-18=13 563. 5x+9=11 564. 6-2x=11 565. x+4+8=23 566. 7x-12=8 567. X-5.7=2.15 568. 15 5X-2X=18 569. 3X 0.7=5 570. 3.52= 4.2 x 571. 261.5= 2x 572. 0.516160.2=4x 573. 9.25X=0.403 574. 16.9 X=0.3 575. X 0.5=2.6 576. 35x80 577. 1.8-6x54 578. 6.7x60.36.7 579. 9 4x40 580. 0.2x0.40.53.7 581. 9.4x0.4x16.2 582. 124x20 583. 1/3x5/6x1.4 584. 12x34x=1 585. 18x14x=12 586. 23 x514=14 587. 1234x=56 588. 2214x=12

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