.
有理数混合运算100题(有答案)
1.(3)22 2.
124112(3)5(2)(3)
3. (1.5)412.75(5142)
4. 8(5)63
.
5. 45(12)3
6. (2)(556)(4.9)0.6
7.(10)25(25)
8. (5)3(35)2
9、5(6)(4)2(8)
.
10. 21(6)(14722)
11.(1650325)(2)
12. (6)8(2)3(4)25
13. (1)21(2222332)
14. 11997(10.5)13
.
15. 3[32(223)22]
16. (3)2(2431)0
17. 14(10.5)13[2(3)2]
18. (81)(2.25)(49)16
.
19. 52[4(10.215)(2)]
20. (5)(36)(7)(36)12(36777)
21. (58)(4)20.25(5)(4)3
22. (3)2(11222)3963
.
23.(-1620345127)×(-15×4)
24. 18737(-2.4)
25. 2÷(-37)×47÷(-517)
26. [1512-(114÷125+312)]÷(-118)
27. 15×(-5)÷(-15)×5
.
28. -(13-211+143-27)÷(-421)
29.-13×23-0.34×27+13×
(-13)-57×0.34
30.(-13)×(-134)×131×(-671)
31.(-478)-(-512)+(-414)-318
32.(-16-50+325)÷(-2)
.
33.(-0.5)-(-314)+6.75-512
34. 178-87.21+43212+531921-12.79
35.(-6)×(-4)+(-32)÷(-8)-3
36.-27-(-12)+|-112|
37.(-9)×(-4)+ (-60)÷12
.
38. [(-149)-157+218]÷(-421)
39. -|-3|÷10-(-15)×13
40.-137515×(32-16)÷22
41.(213-312+11718)÷(-116)×(-7)
42. 3232 +4
.
43. 23×24×25
44. 2×32-232
45、222+23+23
46. 22-(3)3×13-13
47. 0-32÷3×23
.
48. 22×122÷0.83
49. -32×1233-2÷122
50.324×(-23+1) ×0
51.232(232)
52. 115(5)(5)5
.
53.7.20.95.61.7
54. 22(1)3
55.(6)(71313)5
56. 2(1)11722
57.(73)(7848)
.
58. (50)(21510)
59.(3)22
60.1(2)4(1)(123523)
61.(1.5)412.75(5142)
.
62、[1(10.51)][2(3)22]
63、52285(2)(514)
、8(14)5(0.25) 65、(1631412)(48)
65、 (1)(12)133
.
66、21214(919)
67、(81)21449(16)
68、 12[34(11452)]
69、3494(2449) 70、(15)24(33)2(63)2812
.
72、
(6)8(2)3(4)25
273、123317(12)6()34
74、 712×134÷(-9+19)
75 、25×3―(―25)×1+25×(-1424)
76、
(5)3(35)2
.
76、|79|÷(2315)123(4)
77、 -22 -〔-32 + (- 2)4 ÷23 〕
78、58(4)20.25(5)(4)3
80、(1)3(1)2(1)1(2)(200422161)
.
81.8377.52141732 82.
318230.1251311135747
83. 499159
.
84. 011112346
85. 1111332440.253.754.5
86. (–1.76)+(–19.15)+ (–8.24)
87. 23+(–17)+(+7)+(–13)
.
88.(+ 314)+(–235)+ 534+(–825) .
225+11+(–25)
90. 3
134–(+5)–(–14)+(–5)
91. –99 + 100–97 + 98–95 + 96–……+2
.
92. –1–2–3–4–……–100
93. (–4)×(–9)+(–25)×18
94. (–6)×0 -(–235)×513 97. [56÷(–12–13)+2118]÷(–18)
98. (–18)÷(–9)+(–63)÷(-7)
99. 0÷(–105)+1÷(–9)
.
95、 100×(0.7–
310–425+ 0.03)
96. (–11)×25+(–11)×935
.
100. (–5)×8×(–7)+(–6)×(–5)×(–7)-(–12)×2.45×0×9×100
.
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有理数混合运算100题参
1.(3)22=-18 2.
112411()()() =-
523523
113. (1.5)42.75(5)=0 4. 8(5)63=-23
42
5. 45()3=4 6. ()()(4.9)0.6=3
.
125825561 15.
7.(10)25() =-8 8. (5)3()2=-45
16129.5(6)(4)2(8)=-28 10. 2()(2)=17
472211.(16503)(2) 12. (6)8(2)3(4)25
57 =8+25-110 =-48+8-80
3 =3110 =-120
253513. ()2(2)=-
12122323111 14. 11997(10.5)=-1 126315.[32()22] =9 16. ()2(1)0=
1349322334239 1617. 14(10.5)[2(3)2] 18. (81)(2.25)()16 =-1+ =81××× = =1
19. 52[4(10.2)(2)] =-25-[-4-
620.(5)(3)(7)(3)12(3)=(-5-7+12) ×(-37)=0
79491 1616151213] =-20 2525676767
21. ()(4)20.25(5)(4)3 22. (3)2(1)36 =-10-80 =9--9 =-90 =-
37734223.(-1620512)×(-15×4) 24. 187(-2.4)=5
581229233434 =10+9-48+35=6
143425. 2÷(-7)×7÷(-517) =27 12126. [151]÷(-112-(14÷15+32)8)
.
.
5581=[1512-4×7-32]×(-9 ) 5=[12-5×7]×(-8) 94= -311×8=-622 263=-955 6331112127.15×(-5)÷(-5)×5 28. -(3-21+14-7)÷(-42) 31 =25 =(13-21+14-7)×42
2 =14-2+9-12=9
52129.-13×23-0.34×7+3×(-13)-7×0.34 512 =[-13×2]-0.34×7-7×0.34 3+3×(-13)
=-13-0.34=-13.34
1130.(-13)×(-134)×13×(-67)=-2
3111131.(-478)-(-52)+(-44)-38=-8+14=-
2132.(-16-50+35)÷(-2) 33.(-0.5)-(-314)+6.75-52 7 =8+25-110 =(-0.5)-512+6.75-(-3.25) 3 =3110 =4
234. 178-87.21+4321+531921-12.79 35.(-6)×(-4)+(-32)÷(-8)-3 2 =178-87.21-12.79+4321+531921 =24+4-3
=178-100+97 =25 =175
2136.-7-(-12)+|-12| 37.(-9)×(-4)+ (-60)÷12 5=17 =36-6=31
958138. [(-14)-17+21]÷(-42) 39. -|-3|÷10-(-15)×13 398 =[-14-12+21]×(-42) =-10+5 7.
.
7 =27+72-16=83 =410
37517140.-15×(32-16)÷22 41. (21-312+118)÷(-16)×(-7) 3123=-8×(-)× =(3-2+18)×(-7)×(-7) 55323=50 =(3-2+18)×6
773567735 =14-21+
2353=43
2242. 32 +4 43. 2×2×2 44. 2×32-23
3345 =-682 =2345=212=4096 =2×324×32
1 =-6×9=-54 45.22+2+23 46. 22-(3)3×1-1
2333 =2 =-4-27+1 =-30
2232347. 0-3÷3×2 48. 2×1÷ 0.8261 =24 =4×4×54=1
1331249. -32×13-2÷2 50. 4×(-3+1) ×0 =0
2322 =-1+32=31
51.232(232) 0 52. (5)()525 53.7.20.95.61.7-12 54. 22(1)3-3
126721155.()()5 -6 56. ()17
131372217372157.()()- 7 58. (50)()-25
8485101241159.(3)22= -18 60. ()()()=-0.2
235231161.(1.5)42.75(5)= 0
4271262、[1(10.5)][2(3)] =-4
2.
1515.
63、52285(2)(5314)=-2 、8(14)5(0.25)= 3
65、(1634112)(48) = -24
66、 (1)(12113)3=5 67、211(919)124 =
16 68、(81)214149(16) = -3636
69、 131112[4(452)]=-52
70、349449(24)1 = -3636
71、(18512)24(33)2(63)2= -16
72、
(6)8(2)3(4)25=-120 273、12137(12)6(34)3 =- -171196 74、 71212×134÷(-9+19) =
16 75 、25×34―(―25)×12+25×(-14) = 25
、
(5)3(3)2765 =-45 77、|7|÷(2311115)3(4)29 = -3 78、 -22 -〔-32 + (- 2)4 ÷23 〕 = 3
79、58(4)20.25(5)(4)3 = -90
80、(1)3(1)2(1)1(2)(1)20042216.
34 =-
.
41387.521372 =-34 81.7
111173230.1251354377=-512 82. 8
83. 499159=-144
1111011 84.2346=12
85. 1130.253.754.5=-3.5
12143486. (–1.76)+(–19.15)+ (–8.24)=-29.15 87. 23+(–17)+(+7)+(–13)=0
88. (+ 3.
1332)+(–2)+ 5+(–8)=—2 45452222++(–)= 5115111390. 3–(+5)–(–1)+(–5)=-5
4491. –99 + 100–97 + 98–95 + 96–……+2 = 50
92. –1–2–3–4–……–100=—5050
21)× =35.95 583594. (–6)×0 -(–2)×=1
5133495. 100×(0.7––+ 0.03)=27
10252396. (–11)×+(–11)×9=—110
551511197. [÷(––)+2]÷(–1) =—1
62383. (–4)×(–9)+(–
98. (–18)÷(–9)+(–63)÷(-7)=11 99. 0÷(–105)+1÷(–9)=—
.
1 9.
100.(–5)×8×(–7)+(–6)×(–5)×(–7)-(–12)×2.45×0×9×100 =70
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