北师大版五年级数学下册解方程100题
- 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。
解方程
1. 58 x = 112
2. 23 ÷x = 1
6 3. 4x +7.5=13
4. x -0.6 x =5
5. 56 ÷x =3.3
6. 54
x =10
7. x ÷21=43 8. 41χ+31χ=6
1
1 9. 8×134 -715 x =7
10. 20%χ-51=54 11. x -8
3
x =20 12. 25 x = 49 ×38
13. x -41x = 24 14. 4 x + 21x = 9 15. 95+ 2 x = 3
2
16. 85 x -53= 5
2 17. 31 x +41
x =364 18. (1-91)x =89
19. 53 x =20×43 20. 32 x -52 x =12 21. 7 x -125=3
2 22. x -4
1
x =91 23. 4 x +7.5=13 24. 9.8-2 x =3.8
25. 16a+ 13= 12 26. x +3x =24 27. 13 x +1
2 x =5
28. 8.65+13-a +16=0 29. x -15 x =20 30. 4
9 x =36
31. 45 x = 1825 32. x -13 x =12 33. 3 x -18 =7
16
34. x = 35. x - x =15 36. x ÷1
2= 0.6
37. 15 x +6 x = 168 38. x - = 39. 2 x +5 = 40
40. 3.5 x = 140 41. 20% x =30 42. 5 x -3×107 =57
43. 5- 23 x = 13 44. 2 x - 43 x =1
2 45. 1.5 x =2.25
46. x ÷58 =1017 47. x ÷ = 48. x -30% x =
49. 8×(x -)= 50. (1-)x =14 51. 37.5+20% x =69.5
54151685412
1
811331685207
434542
52. x - x = 53. 4.2 × 3—3x = 5.1 54. 13.7—x = 5.29
55. x = 56. 20% x -= 57. x + x =
58. 1÷2 x = 59. - x = 60. x ÷=
61. x - x =15 62. x ×20% = 20 63. x ÷×=
64. 4(4 x -1)=3(22-x ) 65. 1.5 x =28.5 66.
(0.5+ x )+ x=9.8÷2
15725
14913
2
515441316112175211014556733
7
85761494
3
67. x ﹣2=40 68. 7×(2 x -6)=84 69. 8 x =42 70. x ÷×= 71. x ÷5 = 72. ÷x =
73. 74. 75. 1.5 x +6=3 x
76. x -= 77.
78. 35 x + 2.5×8=95 79. 5×3-x÷2=8 80. 2017-x =43
81. 6585⨯⨯x =150 82. 7441⨯⨯x =21 83. 8521⨯⨯x =32
5
5
3
7614943
3
13153762011441153=+x 26
77
x x +=855352525235
()
81
51236x x ⨯++=
84. 726⨯x =143 85. x -418⨯=83 86. 2110⨯x =14
5
87. 435⨯x =87 88. 127÷x =5
2
89. x ⎪⎭⎫
⎝⎛-531=15
1 90. 21543-x =211 91. 2
1
621121=+x 92. 5.25%15=-x
93. 2041=+x x 94. 122
1
46=-⨯x 95. 3.3%10=+x x
96.50431%24=+x 97. 6
1
%7552=+x x 98. 5.7%15018=-x
99. x – 60% x =18 100. 40% x +30=80