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有理数混合运算100题(有答案)
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9、
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18.
19.
20.
21.
22.
23. (-)×(-15×4)
24. (-2.4)
25. 2÷(-)×÷(-5)
26. [15-(1÷1+3)]÷(-1)
27. ×(-5)÷(-)×5
28. -(-+-)÷(-)
29. -13×-0.34×+×(-13)-×0.34
30.(-13)×(-134)××(-)
31.(-4)-(-5)+(-4)-3
32. (-16-50+3)÷(-2)
33.(-0.5)-(-3)+6.75-5
34. 178-87.21+43+53-12.79
35.(-6)×(-4)+(-32)÷(-8)-3
36. --(-)+|-1|
37.(-9)×(-4)+ (-60)÷12
38. [(-)-1+]÷(-)
39. -|-3|÷10-(-15)×
40. -1×(-)÷2
41. (2-3+1)÷(-1)×(-7)
42. +
43. ××
44. ×-
45、++
46. -×-
47. 0-÷3×
48. ×÷
49. -×-÷
50.×(-+1) ×0
51.
52.
53.
54.
55.
56.
57.
58.
59.
60.
61.
62、
63、
64、
65、
65、
66、
67、
68、
69、
70、
72、
73、
74、 7×1÷(-9+19)
75 、25×―(―25)×+25×(-)
76、
76、 ÷
77、 -22 -〔-32 + (- 2)4 ÷23 〕
78、
80、
81.
82.
83.
84.
85.
86. (–1.76)+(–19.15)+ (–8.24)
87. 23+(–17)+(+7)+(–13)
88. (+ 3)+(–2)+ 5+(–8)
89. ++(–)
90. 3–(+5)–(–1)+(–5)
91. –99 + 100–97 + 98–95 + 96–……+2
92. –1–2–3–4–……–100
93. (–4)×(–9)+(–)×
94. (–6)×0 -(–2)×
95、 100×(0.7––+ 0.03)
96. (–11)×+(–11)×9
97. [÷(––)+2]÷(–1)
98. (–18)÷(–9)+(–63)÷(-7)
99. 0÷(–105)+1÷(–9)
100. (–5)×8×(–7)+(–6)×(–5)×(–7)-(–12)×2.45×0×9×100
有理数混合运算100题参考答案
1.=-18 2. =-
3. =0 4. =-23
5. =4 6. =3
7. =-8 8. =-45
9. =-28 10. =1
11. 12.
=8+25-1 =-48+8-80
=31 =-120
13. =- 14. =-1
15. =9 16. =
17. 18.
=-1+ = =81××× =1
19. =-25-[-4-] =-20
20.=(-5-7+12) ×(-3)=0
21. 22.
=-10-80 =-90 =9--9=-
23.(-)×(-15×4) 24. (-2.4)=
=10+9-48+35=6
25. 2÷(-)×÷(-5) =
26. [15-(1÷1+3)]÷(-1) =[15-×-3]×(- )
=[12-×]×(-)= -×=-=-9
27. ×(-5)÷(-)×5=25
28. -(-+-)÷(-) =(-+-)×42 =14-2+9-12=9
29.-13×-0.34×+×(-13)-×0.34
=[-13×+×(-13)]-0.34×-×0.34 =-13-0.34=-13.34
30. (-13)×(-134)××(-)=-2
31.(-4)-(-5)+(-4)-3=-8+1=-6
32.(-16-50+3)÷(-2) 33.(-0.5)-(-3)+6.75-5
=8+25-1 =31 =(-0.5)-5+6.75-(-3.25)=4
34. 178-87.21+43+53-12.79 35.(-6)×(-4)+(-32)÷(-8)-3
=178-87.21-12.79+43+53 =24+4-3
=178-100+97 =25
=175
36. --(-)+|-1| =1 37.(-9)×(-4)+ (-60)÷12 =36-6=31
37. 38. [(-)-1+]÷(-) 39. -|-3|÷10-(-15)×
=[--+]×(-42) =-+5
=27+72-16=83 =4
40.-1×(-)÷2 41. (2-3+1)÷(-1)×(-7)
=-×(-)× =(-+)×(-)×(-7)
= =(-+)×6 =14-21+=4
42. + 43. ×× 44. ×-
=-68 ===4096 =××
=-6×9=-54
45.++ =2 46. -×-=-4-27+1 =-30
47. 0-÷3× =24 48. ×÷ =4××=1
49. -×-÷ 50. ×(-+1) ×0 =0
=-1+32=31
51. 0 52. 25 53.-12 54. -3
55. -6 56.
57.- 58. -25
59.= -18 60. =-0.2
61.= 0 62、 =-
63、=- 64、= 3
65、 = -24 66、 =
67、 = 68、 = -36
69、 =-5 70、 = -36
71、= -16 72、=-120
73、 =- - 74、 7×1÷(-9+19) =
75 、25×―(―25)×+25×(-) = 25 76、 =-45
77、÷ = - 78、 -22 -〔-32 + (- 2)4 ÷23 〕 = 3
79、 = -90 80、 =-
81. =-34
82. =-5
83. =-144
84.=
85. =-3.5
86. (–1.76)+(–19.15)+ (–8.24)=-29.15
87. 23+(–17)+(+7)+(–13)=0
88. (+ 3)+(–2)+ 5+(–8)=—2
89. ++(–)=
90. 3–(+5)–(–1)+(–5)=-5
91. –99 + 100–97 + 98–95 + 96–……+2 = 50
92. –1–2–3–4–……–100=—5050
93. (–4)×(–9)+(–)× =35.95
94. (–6)×0 -(–2)×=1
95. 100×(0.7––+ 0.03)=27
96. (–11)×+(–11)×9=—110
97. [÷(––)+2]÷(–1) =—1
98. (–18)÷(–9)+(–63)÷(-7)=11
99. 0÷(–105)+1÷(–9)=—
100.(–5)×8×(–7)+(–6)×(–5)×(–7)-(–12)×2.45×0×9×100 =70
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