2023年12月19日发(作者:龙井中考数学试卷答案大全)
七年级数学(上)有理数混合运算100题(含答案)
有理数混合运算100题(有答案)
1.(3)22
7.(10)25()
2
2.
12(23)45(12)(13)
3.
(1.5)4142.75(512)
4.
8(5)63
5.
45(12)3
6.
(2)(556)(4.9)0.6
5
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
七年级数学(上)有理数混合运算100题(含答案)
13.
()2(2)
112219.
52[4(10.2)(2)]
152233
14.
11997(10.5)13
15.
32[32(23)22]
16.
(324)2(31)0
17.
14(10.5)13[2(3)2]
18.
(81)(2.25)(49)16
20.
(5)(36)(7)(36)12(36777)
21.
(58)(4)20.25(5)(4)3
22.
(3)2(11)3262293
23.(-1620345127)×(-15×4)
24.
18737(-2.4)
七年级数学(上)有理数混合运算100题(含答案)
3425. 2÷(-7)×7÷(-517)
11131.(-478)-(-52)+(-44)-38
121226. [151]÷(-112-(14÷15+32)8) 32.(-16-50+35)÷(-2)
27.
312128. -(13-21+14-7)÷(-42)
15
11×(-5)÷(-15)×5 33.(-0.5)-(-34)+6.75-52
234. 178-87.21+4321+531921-12.79
521(-29.-13×2(-13)-7×0.34
35.
6)×(-4)+(-32)÷(-8)-3
3-0.34×7+3×
30.(-13)×(-134)×
113
×(-167)
2136.-7-(-12)+|-12|
37.(-9)×(-4)+ (-60)÷12
七年级数学(上)有理数混合运算100题(含答案)
958138. [(-14)-17+21]÷(-42)
45、22+2+23
23
39. -|-3|÷10-(-15)×13
37540.-15×(32-16)÷22
46.
22-(3)3×1-1
33
147. 0-3÷3×2
23
17141.(21-312+118)÷(-16)×(-7)
3
22348.
2×1÷
0.82
42.
32 +4
2
3
149. -32×13-2÷2
2
43.
2×2×2
34532
250.34×(-3+1) ×0
244.
2×32-23
2
七年级数学(上)有理数混合运算100题(含答案)
51.232(232)
52.
1(5)(155)5
53.7.20.95.61.7
54.
22(1)3
55.(6)(71313)5
56.
2(1)11722
57.(7834)(78)
58.
(50)(21510)
59.(3)22
60.1(2)4(1)(123523)
61.(1.5)412.75(5142)
62、[1(10.51)][2(223)]
63、52285(2)(514)
七年级数学(上)有理数混合运算100题(含答案)
64、8(14)5(0.25)
65、(1634112)(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、12137(12)63()34
74、 712×134÷(-9+19)
75 、25×3―(―25)×12+25×(-144)
七年级数学(上)有理数混合运算100题(含答案)
3(5)()25 76、3
82.
76、|
77、 -2 -〔-3 + (- 2) ÷2 〕
22437211|÷()(4)2
935311113230.12513543778
83.
499159
111102346 84.
578、(4)20.25(5)(4)3
8
85.
1130.253.754.5
13121200480、()()(1)(2)(1)
2216
41387.521372
81.7121434
七年级数学(上)有理数混合运算100题(含答案)
86. (–1.76)+(–19.15)+ (–8.24)
87. 23+(–17)+(+7)+(–13)
88.(+ 3134)+(–25)+ 534+(–825)
89.
25+2211+(–5)
90. 314–(+5)–(–134)+(–5)
91. –99 + 100–97 + 98–95 + 96–……+2
97. [56÷(–12–13)+218]÷(–118)
92. –1–2–3–4–……–100
93. (–4)×(–9)+(–215)×8
94. (–6)×0 -(–2355)×13
95、 100×(0.7–310–425+ 0.03)
96. (–11)×25+(–11)×935
七年级数学(上)有理数混合运算100题(含答案)
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
七年级数学(上)有理数混合运算100题(含答案)
1.(3)22=-18 2.
112411()()() =-
523523
113.
(1.5)42.75(5)=0 4.
8(5)63=-23
42
51258256
237.(10)25() =-8
8.
(5)3()2=-45
55
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
5.
45()3=4
6.
()()(4.9)0.6=31
1513.
()2(2)=-
3223
14.
11997(10.5)=-1
126315.[32()22] =9 16.
()2(1)0=
1334239
1617.
14(10.5)[2(3)2] 18.
(81)(2.25)()16
1441 =81××× =1
699161213119.
52[4(10.2)(2)] =-25-[-4-] =-20
25255
666620.(5)(3)(7)(3)12(3)=(-5-7+12) ×(-37)=0
77749 =-1+
=
76
21.
()(4)20.25(5)(4)3 22.
(3)2(1)36
5812229333 =-10-80
=-90 =9--9=-
4437734223.(-1620512)×(-15×4) 24.
187(-2.4)=5
=10+9-48+35=6
143425. 2÷(-7)×7÷(-517) =27
5581121126. [151]÷(-112-(14÷15+32)8) =[152-4×7-32]×(-9 )
七年级数学(上)有理数混合运算100题(含答案)
5=[12-5×7]×(-8)= -311×8=-622=-955
928963634127.
15×(-5)÷(-5)×5=25
331211128. -(13-21+14-7)÷(-42) =(3-21+14-7)×42 =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 =-13-0.34=-13.34
3+3×(-13)1130.(-13)×(-134)×13×(-67)=-2
3111131.(-478)-(-52)+(-44)-38=-8+14=-64
2132.(-16-50+35)÷(-2) 33.(-0.5)-(-314)+6.75-52
73 =8+25-110 =3110 =(-0.5)-512+6.75-(-3.25)=4
2
2 34. 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
52136. -7-(-12)+|-12| =17 37.(-9)×(-4)+ (-60)÷12 =36-6=31
958137. 38. [(-14)-17+21]÷(-42) 39. -|-3|÷10-(-15)×13
398 =[-14-12+21]×(-42) =-10+5
77 =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 =14-21+2773567735353=43
22 42.
32 +4 43.
2×2×2 44.
2×32-23
3345 =-682 =2231345=212=4096 =2×324×32
=-6×9=-54
45.22+2+23 =2 46.
22-(3)3×1-1=-4-27+1 =-30
33
七年级数学(上)有理数混合运算100题(含答案)
223236147. 0-3÷3×2 =24 48.
2×1÷ =4×4×50.824=164
1332149. -32×13-2÷2 50.
4×(-3+1) ×0 =0
2322 =-1+32=31
1553.7.20.95.61.7-12 54.
22(1)3-3
51.232(232) 0 52.
(5)()525
126721155.()()5 -6 56.
()17
2157.()()-
7 58.
(50)()-25
8485101241159.(3)22= -18 60.
()()()=-0.2
23523711161.(1.5)42.75(5)= 0
62、[1(10.5)][2(3)2] =-4
42263、315285(2)()=-2 64、8()5(0.25)= 3
4255、()(48) = -24 66、
(1)(1)=
64123351167、2(919) =
241114 68、(81)2(16) = -36
9414469、
[(5)]=-5 70、3(2) = -36
364924422321522(6)8(2)(4)5=-120 71、()24(33)(63)= -16 72、812321373、11(12)6()3 =- -171 74、 71×13÷(-9+19) =
241641967223(5)3()25 =-45 75 、25×3―(―25)×1+25×(-1) = 25 76、42477、|721111|÷()(4)2 = - 78、 -22 -〔-32 + (- 2)4 ÷23 〕 = 3
935331312135200479、(4)20.25(5)(4)3 = -90 80、()()(1)(2)(1) =-
21648241387.521372 =-34
81.7
七年级数学(上)有理数混合运算100题(含答案)
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
133288. (+ 3)+(–2)+ 5+(–8)=—2
4545222289. ++(–)=
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
6238893. (–4)×(–9)+(–98. (–18)÷(–9)+(–63)÷(-7)=11
99. 0÷(–105)+1÷(–9)=—
1
9100.(–5)×8×(–7)+(–6)×(–5)×(–7)-(–12)×2.45×0×9×100 =70
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