小学解方程分数练习题
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100道分数解方程1.解方程:0.5 + 50%x = 32,可得 x = 63.5%;2.解方程:60%x + 25 = 40,可得 x = 25%;3.解方程:24 - 120%x = 18,可得 x = 5%;4.解方程:50%x + 40%x = 80% - 0.08,可得 x = 0.3%;5.解方程:162.5% - x = 15/16,可得 x = 1.5625%;6.解方程:x + 70%x = 340,可得 x = 200;7.解方程:X ÷ 70% = 100,可得 X = 142.86;8.解方程:2/3X + 75% = 34,可得 X = 30;9.解方程:60%X + 70%X = 1.69,可得 X = 0.7%;10.解方程:3/4 - 25%X = 20,可得 X = 3%;11.解方程:X - 30%X = 7,可得 X = 10;12.解方程:18%X - 12.5%X = 5.5,可得 X = 22%;13.解方程:(1 + 35%)X = 270%,可得 X = 200;14.解方程:15 - 10%X = 115,可得 X = 100;15.解方程:50×18% - 1.8X = 7.2,可得 X = 10;16.解方程:x - 40% = 3.6,可得 x = 6;17.解方程:30%x + 90 = 117,可得 x = 210;18.解方程:60% + 4x = 27.6,可得 x = 4.5;19.解方程:25%x - 16 = 24,可得 x = 160;20.解方程:x - 20% = 28,可得 x = 35;21.解方程:9.1 - 14%x = 0.7,可得 x = 5%;22.解方程:11.5x - 1.5%x = 7,可得 x = 0.65;23.解方程:35%x + x = 13.5,可得 x = 9;24.解方程:x - 45%x = 110,可得 x = 200;25.解方程:30%x - 20% = 1,可得 x = 5%;26.解方程:x - 75%x = 0.5,可得 x = 2;27.解方程:x% - 20%x = 100,可得 x = 125;28.解方程:35%X = 50,可得 X = 142.86;29.解方程:56%X = 70,可得 X = 125;30.解方程:105%X + 31 = 197,可得 X = 160;31.解方程:3.5X + 1.8 = 12.3,可得 X = 2.5;32.解方程:2X + X = 21,可得 X = 7;33.解方程:5X + 2X = 42,可得 X = 6;34.解方程:5X ÷ 2 = 10,可得 X = 4;35.解方程:X + 2X = 3/4,可得 X = 1/12;36.解方程:0.8X - 4 = 1.6,可得 X = 5;37.解方程:5X ÷ 2 = 10,可得 X = 4;38.解方程:X - 0.25X = 3,可得 X = 4;39.解方程:X - 2/3X = 5/10,可得 X = 3;40.解方程:X - 2/3 = 2,可得 X = 8/3;41.解方程:2X + 7X = 9/10,可得 X = 1/10;42.解方程:3/8 + X = 2/5,可得 X = 1/40;43.解方程:7/10 X = 14/25,可得 X = 0.56;44.解方程:1/2 X = 3/4,可得 X = 1.5;45.解方程:5/9 X = 10,可得 X = 18;46.解方程:180 + 6X = 330,可得 X = 25;47.解方程:2.2X - 1 = 10,可得 X = 5;48.解方程:0.2X = 10,可得 X = 50;49.解方程:15X ÷ 2 = 60,可得 X = 8;50.解方程:5X = 3.15,可得 X = 0.63;51.解方程:3.4X + 1.8 = 8.6,可得 X = 2;52.解方程:5X - X = 2.4,可得 X = 0.6;53.解方程:0.5X = 1,可得 X = 2;54.解方程:0.6X = 1.8,可得 X = 3;55.解方程:2X - 2/3X = 34,可得 X = 51;56.解方程:57.25% + 10X = 4/5,可得 X = 3.5%;57.解方程:X - 15%X = 68,可得 X = 80;58.解方程:7X - 60 = 13X - 63,可得 X = 1.5;59.解方程:11/8 X = 121,可得 X = 88;60.解方程:7X - 60 = 13X - 63,可得 X = 1.5;62.改写:6-x=3-3x可以变形为4x=3+x,所以x=3/4.63.改写:70%X + 20%X = 3.66可以化简为90%X=3.66,所以X=4.07.64.删除,这是一个无解的方程。
分数解方程30道练习题题目1:解方程 3/4x - 1/2 = 1/6x + 3解:将方程两边的x系数化为分母相同的分数,得到 3/4x - 1/6x = 3 + 1/2然后将方程两边的x系数化简,得到 9/12x - 2/12x = 3 + 6/12化简后得到 7/12x = 9 1/2将右侧的混合数化为假分数,得到 7/12x = 19/2最后将方程两边同时乘以12,可得到 7x = 114化简后得到 x = 114/7题目2:解方程 2/3(x + 4) = 5/6x - 3/2解:首先将方程两边括号中的常数项用分配律展开,得到 2/3x +8/3 = 5/6x - 3/2然后将方程两边的x系数化为分母相同的分数,得到 2/3x - 5/6x = -3/2 - 8/3化简后得到 4/6x - 5/6x = -9/2 - 16/6化简后得到 -1/6x = -31/6最后将方程两边同时乘以-6,可得到 x = -31题目3:解方程 3/5x + 7/10 = 2/3x - 1/4解:将方程两边的x系数化为分母相同的分数,得到 3/5x - 2/3x = -7/10 - 1/4化简后得到 9/15x - 10/15x = -7/10 - 2/10化简后得到 -1/15x = -9/10最后将方程两边同时乘以-15,可得到 x = 9/2题目4:解方程 5/6(x + 1/2) = 2/3x + 1/4解:首先将方程两边括号中的常数项用分配律展开,得到 5/6x +5/12 = 2/3x + 1/4然后将方程两边的x系数化为分母相同的分数,得到 5/6x - 2/3x = 1/4 - 5/12化简后得到 5/6x - 4/6x = 3/12 - 5/12化简后得到 1/6x = -2/12最后将方程两边同时乘以6,可得到 x = -1/3题目5:解方程 4/5(x - 3/4) = 3/2 - 1/6x解:首先将方程两边括号中的常数项用分配律展开,得到 4/5x - 3/5 = 3/2 - 1/6x然后将方程两边的x系数化为分母相同的分数,得到 4/5x + 1/6x = 3/2 + 3/5化简后得到 24/30x + 5/30x = 45/30 + 18/30化简后得到 29/30x = 63/30最后将方程两边同时乘以30,可得到 x = 63/29 ......依次类推,完成剩下的25道题目。
分数解方程练习题50道1. 解方程:1/3x - 2 = 5答案:x = 212. 解方程:2/5x + 3/4 = 7/10答案:x = 23. 解方程:3/8x - 1/2 = 1/4答案:x = 24. 解方程:3/4x + 2 = 7/8答案:x = 15. 解方程:5/6x - 1/3 = 2/9答案:x = 1/26. 解方程:2/9x + 1/6 = 3/4答案:x = 187. 解方程:1/5x - 1/3 = 1/15答案:x = 48. 解方程:3/7x + 1/2 = 2/3答案:x = 129. 解方程:4/5x - 4/3 = 1/5答案:x = 510. 解方程:2/3x - 1/2 = 1/6答案:x = 111. 解方程:3/8x + 3/2 = 2/5答案:x = -40/312. 解方程:5/6x + 4 = 2答案:x = -4/513. 解方程:2/3x - 1/4 = 1/6答案:x = 114. 解方程:3/4x + 5/6 = 1答案:x = -18/515. 解方程:1/3x + 1 = 5/6答案:x = 316. 解方程:4/5x - 3/4 = 2/3答案:x = 27/2017. 解方程:1/2x + 1/3 = 3/4答案:x = 3/218. 解方程:3/8x + 1/4 = 5/16答案:x = 1/219. 解方程:2/5x - 2/3 = 1/10答案:x = 3/520. 解方程:1/4x - 1/2 = 1/8答案:x = 121. 解方程:3/7x + 2 = 11/14答案:x = 7/622. 解方程:2/3x + 1/2 = 3/4答案:x = 1/623. 解方程:5/6x - 1/3 = 4/9答案:x = 2/324. 解方程:1/5x - 2/3 = 1/15答案:x = 225. 解方程:3/4x + 1/2 = 2/3答案:x = 1/626. 解方程:1/3x + 2 = 5/6答案:x = -4/327. 解方程:2/5x + 3/4 = 1/2答案:x = -11/1028. 解方程:3/8x - 7/4 = 3/8答案:x = 11/229. 解方程:3/4x + 2 = 1答案:x = -8/330. 解方程:5/6x - 1/2 = 1/3答案:x = 2/531. 解方程:2/9x + 1/6 = 5/6答案:x = 432. 解方程:1/5x - 3/2 = 2/5答案:x = 10/333. 解方程:3/7x + 1/2 = 25/28答案:x = 18/534. 解方程:4/5x - 4/3 = 3/5答案:x = 3/235. 解方程:2/3x - 1/2 = 1/4答案:x = 3/236. 解方程:1/3x + 1 = 4/6答案:x = -3/237. 解方程:3/4x - 1/6 = 2/9答案:x = 16/938. 解方程:1/2x + 1 = 1答案:x = 039. 解方程:3/8x + 6/4 = 1/2答案:x = -240. 解方程:5/6x - 7 = 1答案:x = 24/541. 解方程:2/3x + 3 = 7/6答案:x = 1/242. 解方程:1/4x - 1/2 = 3/8答案:x = 3/243. 解方程:3/4x + 5/6 = 9/10答案:x = 12/544. 解方程:1/3x + 2 = 3/4答案:x = 1/645. 解方程:4/5x - 3/4 = 1/10答案:x = 146. 解方程:2/3x - 1/2 = 5/6答案:x = 247. 解方程:5/6x + 1/3 = 1/2答案:x = -348. 解方程:3/7x + 2 = 5/14答案:x = -449. 解方程:4/5x - 1/3 = 3/4答案:x = 45/1650. 解方程:2/3x + 1/2 = 1/6答案:x = -2/3这是50道分数解方程的练习题。
50道分数解方程练习题在数学学习中,解方程是一个重要的知识点。
通过解方程,我们可以求解未知数的值,并应用于各种实际问题中。
为了帮助大家更好地掌握解方程的方法和技巧,下面为大家提供50道分数解方程练习题。
1. 2x + 1/3 = 7/52. 3/4y - 1/2 = 5/63. 1/2 - x/3 = 5/64. 3/x - 1/4 = 1/25. 2x - 1/6 = 1/36. 4/y + 1/2 = 3/57. 3/4 - x/2 = 1/38. 5/x + 2/3 = 4/59. 1/5x - 1/10 = 1/410. 1/x + 1/4 = 7/1211. 2 - 3/5y = 1/212. 3/4 - 2/3x = 1/513. 1/3 + 2/x = 114. 7/8x - 3/4 = 1/215. 3/5 - 1/4x = 1/1016. 1/x + 2/5 = 3/417. 2/3x - 1/9 = 1/618. 2 - 4/5x = 3/1019. 1/2 + 1/3y = 7/1020. 1/4 - x/5 = 1/821. 2x + 1/6 = 3/422. 1/2y - 1/3 = 2/523. 1/3 - x/2 = 1/424. 3/x - 1/5 = 1/325. 1/6x - 1/12 = 1/326. 4/y + 1/2 = 4/527. 2/3 - x/4 = 1/628. 5/x + 2/5 = 3/429. 1/5x - 1/10 = 3/2030. 1/x + 1/4 = 5/1231. 2 - 3/5y = 1/332. 3/4 - 2/3x = 2/533. 1/3 + 2/x = 3/234. 7/8x - 3/4 = 3/235. 3/5 - 1/4x = 1/536. 1/x + 2/5 = 2/337. 2/3x - 1/9 = 2/638. 2 - 4/5x = 1/539. 1/2 + 1/3y = 5/1040. 1/4 - x/5 = 1/441. 2x + 1/6 = 1/442. 1/2y - 1/3 = 1/543. 1/3 - x/2 = 1/644. 3/x - 1/5 = 1/445. 1/6x - 1/12 = 1/646. 4/y + 1/2 = 3/547. 2/3 - x/4 = 2/648. 5/x + 2/5 = 2/349. 1/5x - 1/10 = 4/2050. 1/x + 1/4 = 3/12通过以上50道分数解方程练习题,我们可以对解方程的方法进行深入的理解和掌握。