六年级上解比例计算题150道,不要应用

如题所述

第1个回答  2024-08-02
1. 3/5:x = 1/3:2
解:x = (2 * 3) / 5 = 12/5 = 2.4
2. 3:8 = 15:x
解:x = (15 * 8) / 3 = 120 / 3 = 40
3. x:9 = 4:3
解:x = (4 * 9) / 3 = 36 / 3 = 12
4. 1/4:1/8 = x:1/10
解:x = (1/8 * 1/10) / 1/4 = 1/80 / 1/4 = 1/20
5. 1.25:0.25 = x:1.6
解:x = (1.25 * 1.6) / 0.25 = 2
6. 3/4:x = 3:12
解:x = (3/4 * 12) / 3 = 9
7. 5:8 = 40:x
解:x = (5 * 40) / 8 = 25
8. x:3/4 = 1/5:2/5
解:x = (1/5 * 3/4) / (2/5) = 3/32 / 2/5 = 15/64
9. 140:2 = x:5
解:x = (140 * 5) / 2 = 350
10. 6.5:x = 3.25:4
解:x = (6.5 * 4) / 3.25 = 8
11. 4X:20=0.4:6
解:x = (4X*6)/20 = 0.4
x = 0.12
12. 45:9=x:33
解:x = (45*33)/9 = 150
13. 4/5x=20
解:x = 20*5/4
x = 25
14. 2x-6=12
解:2x = 12+6
2x = 18
x = 9
15. 7x+7=14
解:7x = 14-7
7x = 7
x = 1
16. 6x-6=0
解:6x = 6
x = 1
17. 5x+6=11
解:5x = 11-6
5x = 5
x = 1
18. 2x-8=10
解:2x = 10+8
2x = 18
x = 9
19. 1/2x-8=4
解:1/2x = 4+8
1/2x = 12
x = 24
20. 3x+7=28
解:3x = 28-7
3x = 21
x = 7
21. 3x-7=26
解:3x = 26+7
3x = 33
x = 11
22. 9x-x=16
解:8x = 16
x = 2
23. 24x+x=50
解:25x = 50
x = 2
24. 6/7x-8=4
解:6/7x = 4+8
6/7x = 12
x = 14
25. 3x-8=30
解:3x = 30+8
3x = 38
x = 19
26. 6x+6=12
解:6x = 12-6
6x = 6
x = 1
27. 3x-3=1
解:3x = 1+3
3x = 4
x = 4/3
28. 5x-3x=4
解:2x = 4
x = 2
29. 2x+16=19
解:2x = 19-16
2x = 3
x = 3/2
30. 5x+8=19
解:5x = 19-8
5x = 11
x = 11/5
31. 14-6x=8
解:6x = 14-8
6x = 6
x = 1
32. 15+6x=27
解:6x = 27-15
6x = 12
x = 2
33. 5-8x=4
解:8x = 5-4
8x = 1
x = 1/8
34. 7x+8=15
解:7x = 15-8
7x = 7
x = 1
35. 9-2x=1
解:2x = 9-1
2x = 8
x = 4
36. 4+5x=9
解:5x = 9-4
5x = 5
x = 1
37. 10-x=8
解:x = 10-8
x = 2
38. 8x+9=17
解:8x = 17-9
8x = 8
x = 1
39. 9+6x=14
解:6x = 14-9
6x = 5
x = 5/6
40. x+9x=4+7
解:10x = 4+7
10x = 11
x = 11/10
41. 2x+9=17
解:2x = 17-9
2x = 8
x = 4
42. 8-7x=1
解:7x = 8-1
7x = 7
x = 1
43. x-30=12
解:x = 12+30
x = 42
44. 6x-21=21
解:6x = 21+21
6x = 42
x = 7
45. 6x-3=6
解:6x = 6+3
6x = 9
x = 3/2
46. 9x=18
解:x = 18/9
x = 2
47. 4x-18=13
解:4x = 13+18
4x = 31
x = 31/4
48. 5x+9=11
解:5x = 11-9
5x = 2
x = 2/5
49. 6-2x=11
解:2x = 6-11
2x = -5
x = -5/2
50. x+14x=65
解:15x = 65
x = 65/15
x = 13
51. 23x=14x+14
解:9x = 14
x = 14/9
52. 30x=12x+1
解:18x =详情

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