有
理
数
混
合
运算100题(有答案)
2.12411()()()2
3
5
2
3
+-++-+- 4.8(5)63-?-- 6.2
5()()( 4.9)0.656
-+---- 8.323(5)()5
-?- 9、25(6)(4)(8)?---÷- 10.1612()(2)4
7
2?-÷- 12.32(6)8(2)(4)5-?----? 16.232()(1)04
3
-+-+?
18.4
(81)( 2.25)()169
-÷+?-÷
22.231
22(3)(1)6293
--?-÷-
23.(-12754
20361-+-)×(-15×4) 24.()??-73
18
7(-2.4) 25.2÷(-73)×74
÷(-571)
26.[1521-(141÷152+321)]÷(-181) 27.51×(-5)÷(-51)×5 28.-(31-211+143-72)÷(-421)
29.-13×3
2
-0.34×7
2+3
1×(-13)-7
5×0.34
30.(-13)×(-134)×131×(-671
) 31.(-487)-(-521)+(-441)-381 32.(-16-50+352)÷(-2)
33.(-0.5)-(-341)+6.75-521
34.178-87.21+43212+532119-12.79
35.(-6)×(-4)+(-32)÷(-8)-3
36.-72-(-21)+|-121
|
37.(-9)×(-4)+(-60)÷12
38.[(-149)-175+218]÷(-421)
39.-|-3|÷10-(-15)×31
40.-153×(327-165)÷221
41.(231-321+11817)÷(-161)×(-7)
42. 232
-+()3
4-
43. ()3
2-×()4
2-×()5
2-
44.2-×23-()2
32?-
45、()2
2-2-+()3
2-+32
46.22--3)3(-×()3
1--()3
1-
47.0-()2
3-÷3×()3
2-
48.2
2-×()2
21-÷()3
8.0-
49.-23×()2
31--()3
2-÷()2
21
-
50.()2
43-×(-32+1)×0
54.232(1)---= 56.211()1722
---+-= 58.21
(50)()510
-?+
= 62、])3(2[)]2
1
5.01(1[2--??--
63、)14
5()2(52825-?-÷+-
64、)25.0(5)4
1
(8----+
65、)48()12
1
4361(-?-+-
72、
32
(6)8(2)(4)5-?----? 74、72
1×14
3÷(-9+19)
75、25×43―(―25)×21+25×(-4
1
) 76、
32
3
(5)()5-?- 76、|97|-÷2)4(3
1
)5132(-?--
77、-22-〔-32+(-2)4÷23
〕
80、200423)1()2(161)1()21
()21(-÷-???????--÷--
81.()?
?? ??++??? ??
-+-+??
? ??-21374215.7738 82.
?
?? ??-+??? ??----++--??
?
??-7147153131125.032813
84.??? ??+-??? ??--??? ??--??? ??--614131210
85.()5.475.325.0433411211--+-??
?
??--??? ??+-
86. (–1.76)+(–19.15)+(–8.24) 87.23+(–17)+(+7)+(–13)
88.(+3
41)+(–253)+543+(–85
2
)
89.52+112+(–52) 90.341–(+5)–(–143
)+(–5)
91. –99+100–97+98–95+96–……+2 92.–1–2–3–4–……–100
93. (–4)×(–9)+(–
5
2
)×81
94.(–6)×0-(–253)×135
95、100×(0.7–103–25
4
+0.03)
96.(–11)×52
+(–11)×9
5397. [
65÷(–21–3
1
)+281]÷(–181)
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
1.2(3)2--?=-18
2.1
2411()()()2
3
5
2
3
+-++-+-=-5
1
3.11
( 1.5)4 2.75(5)42-+++-=04.8(5)63-?--=-23
5.3145()2-?-=485
6.25()()( 4.9)0.656-+----=315
1
7.22(10)5()5
-÷?-=-88.323
(5)()5-?-=-45
9.25(6)(4)(8)?---÷-=-2810.1612()(2)472
?-÷-=172
11.2
(16503)(2)5--+÷-12.32(6)8(2)(4)5-?----?
=8+25-1107
=-48+8-80
=31103=-120
13.21122()(2)2233-+?--=-
12114.199711(10.5)3---?=-161
15.2232[3()2]23-?-?--=916.232()(1)043-+-+?=16
9
17.4211(10.5)[2(3)]3---??--18.4
(81)( 2.25)()169
-÷+?-÷
=-1+67=81×94×94×161
=6
1=1 19.215[4(10.2)(2)]5---+-?÷-=-25-[-4-2512]=-2025
13
20.666(5)(3)(7)(3)12(3)777
-?-+-?-+?-=(-5-7+12)×(-376
)=0
21.235
()(4)0.25(5)(4)8
-?--?-?-22.23122(3)(1)6293--?-÷-
=-10-80=9-43
-9
=-90=-4
3
23.(-1275420361-+-)×(-15×4)24.()??-73187(-2.4)=52
=10+9-48+35=6
25.2÷(-73)×74
÷(-571)=2714 26.[1521-(141÷152+321)]÷(-181) =[1521-45×75-321]×(-98) =[12-4
5×75]×(-98) =-28311×98=-63622 =-963
55 27.51×(-5)÷(-51)×528.-(31-211+143-72)÷(-421)
=25=(31-211+143-72
)×42
=14-2+9-12=9
29.-13×32-0.34×72+31
×(-13)-75×0.34 =[-13×32+31×(-13)]-0.34×72-75×0.34
=-13-0.34=-13.34
30.(-13)×(-134)×131×(-671)=-2
31.(-487)-(-521)+(-441)-381=-8+141=-643
32.(-16-50+352)÷(-2)33.(-0.5)-(-341)+6.75-521 =8+25-1107=(-0.5)-521+6.75-(-3.25) =31103=4
34.178-87.21+43212+532119-12.7935.(-6)×(-4)+(-32)÷(-8)-3 =178-87.21-12.79+43212+532119=24+4-3
=178-100+97=25 =175
36.-72-(-21)+|-121
|37.(-9)×(-4)+(-60)÷12 =175=36-6=31
38.[(-149)-175+218]÷(-421)39.-|-3|÷10-(-15)×31 =[-149-712+218]×(-42)=-103+5 =27+72-16=83=4107
40.-153×(327-165)÷221
41.(231-321+11817)÷(-161)×(-7)
=-5
8×(-323)×52=(37-27+1835)×(-76
)×(-7) =503=(37-27+1835
)×6
=14-21+
3
35
=432
42.232
-+()3
4-43.()3
2-×()4
2-×()5
2-44.2-×23-()2
32?-
=-6821
=()
5
432++-=122=4096=2-×234-×23
=-6×9=-54
45.()2
2-2-+()3
2-+3246.22--3)3(-×()3
1--()3
1-
=2=-4-27+1
=-30
47.0-()2
3-÷3×()3
2-48.22-×()221-÷()3
8.0-
=24=4×41
×()3
45=16461
49.-23×()2
31--()3
2-÷()221-50.()2
43-×(-32+1)×0=0
=-1+32=31
51.2223(23)-?--?=052.11
(5)()55
5
?-÷-?=25
53.7.20.9 5.6 1.7---+=-1254.232(1)---=-3
55.67()()51313-+--=-656.211
()1722
---+-=712
57.737()()848-÷-=-71
58.21
(50)()510
-?+=-25
59.2(3)2--?=-1860.12411
()()()23523
+-++-+-=-0.2
61.11
( 1.5)4 2.75(5)42
-+++-=0
62、])3(2[)]2
15.01(1[2
--??--=-47
63、)14
5
()2(52825-?-÷+-
=-23 64、)25.0(5)4
1
(8----+=3
65、)48()12
1
4361(-?-+-=-24
66、31)321()1(?-÷-=5
1 67、)199(41
212+-÷?=161
68、)16(9
4
412)81(-÷+÷-=-36361
69、)]21541(43[21----=-521
70、)2(9
44934
4
-÷+÷-=-36361
71、22)36()33(24)12
5
81(÷-÷---?-=-16
72、
32
(6)8(2)(4)5-?----?=-120 73、32
2
)43(6)12(7311-???
?
???÷-+--=--196171
74、721×14
3
÷(-9+19)=16
21
75、25×43―(―25)×21+25×(-4
1
)=25 76、
32
3
(5)()5-?-=-45 77、|97|-÷2)4(31)5132(-?--=-3
11
78、-22-〔-32+(-2)4÷23〕=3 79、235(4)0.25(5)(4)8
??
-?--?-?- ???
=-90 80、200423)1()2(161)1()2
1
()21(-÷-???????--÷-- =-43
81.()?
?? ??++??? ??
-+-+??
? ??-21374215.7738=-34 82.?
?? ??-+??? ??----++--??
? ??-7147153131125.032813=-5127 83. ()()()()959149-+--+--=-144
84.??? ??+-??? ??--??? ??--??? ??--614131210=1211
85.()5.475.325.0433411211--+-??
?
??--??? ??+-=-3.5
86.(–1.76)+(–19.15)+(–8.24)=-29.15 87.23+(–17)+(+7)+(–13)=0
88. (+341)+(–253)+543+(–852
)=—2
89. 52+112+(–5
2
)=112
90.341–(+5)–(–143
)+(–5)=-5
91. –99+100–97+98–95+96–……+2=50
92. –1–2–3–4–……–100=—5050
93. (–4)×(–9)+(–
5
2
)×81=35.95
94. (–6)×0-(–253)×135
=1
95. 100×(0.7–103–25
4
+0.03)=27
96. (–11)×5
2
+(–11)×953=—110
97. [65÷(–21–3
1
)+281]÷(–181)=—1
98.(–18)÷(–9)+(–63)÷(-7)=11
99.0÷(–105)+1÷(–9)=—9
1
100.(–5)×8×(–7)+(–6)×(–5)×(–7)-(–12)×2.45×0×9×100=70