100道分数解方程
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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。
65.改写:7x+5.3=7.46可以变形为7x=2.16,所以x=0.308.
66.改写:3x÷5=4.8可以变形为3x=24,所以x=8.
67.改写:30÷x+25=85可以变形为30=60x,所以x=0.5.
69.改写:6x-12.8×3=0.06可以变形为6x=38.4,所以
x=6.4.
71.改写:3(x+0.5)=21可以变形为3x=20.5,所以x=6.83.
73.改写:6x-3x=18可以化简为3x=18,所以x=6.
75.改写:(x-140)÷70=4可以变形为x=560.
77.改写:4(x-5.6)=1.6可以变形为x=3.
68.改写:1.4×8-2x=6可以变形为x=5.2.
70.改写:410-3x=170可以变形为3x=240,所以x=80.
72.改写:0.5x+8=43可以变形为x=70.
74.改写:(200-x)÷5=30可以变形为x=50.
76.改写:0.1(x+6)=3.3×0.4可以变形为x=30.