20道有理数混合运算试题
20道有理数混合运算试题
20道有理数混合运算试题
20道有理数混合运算试题
75÷〔138÷(100-54)〕85×(95-1440÷24)
80400-(4300+870÷15)240×78÷(154-115)
1437×27+27×563〔75-(12+18)〕÷15
2160÷〔(83-79)×18〕280+840÷24×5
325÷13×(266-250)85×(95-1440÷24)
58870÷(105+20×2)1437×27+27×563
81432÷(13×52+78)[37.85-(7.85+6.4)]×30
156×[(17.7-7.2)÷3](947-599)+76×64
36×(913-276÷23)[192-(54+38)]×67
[(7.1-5.6)×0.9-1.15]÷2.581432÷(13×52+78)
5.4÷[2.6×(3.7-2.9)+0.62](947-599)+76×6460-(9.5+28.9)]÷0.182.881÷0.43-0.24×3.520×[(2.44-1.8)÷0.4+0.15]28-(3.41.25×2.4)0.8×〔15.5-(3.215.79)〕(31.83.2×4)÷5194-64.8÷1.8×0.936.72÷4.25×9.93.416÷(0.016×35)0.8×[(10-6.76)÷1.2]
(136+64)×(65-345÷23)(6.8-6.8×0.55)÷8.5
0.12×4.8÷0.12×4.8(58+37)÷(64-9×5)
812-700÷(9+31×11)(3.2×1.5+2.5)÷1.6
85+14×(14+208÷26)120-36×4÷18+35
(284+16)×(512-8208÷18)9.72×1.6-18.305÷7
4/7÷[1/3×(3/5-3/10)](4/5+1/4)÷7/3+7/10
12.78-0÷(13.4+156.6)37.812-700÷(9+31×11)(136+64)×(65-345÷23)3.2×(1.5+2.5)÷1.6
85+14×(14+208÷26)(58+37)÷(64-9×5)
(6.8-6.8×0.55)÷8.5(284+16)×(512-8208÷18)
0.12×4.8÷0.12×4.8(3.2×1.5+2.5)÷1.6
120-36×4÷18+3510.15-10.75×0.4-5.7
5.8×(3.87-0.13)+4.2×3.74347+45×2-4160÷52
32.52-(6+9.728÷3.2)×2.587(58+37)÷(64-9×5)
[(7.1-5.6)×0.9-1.15]÷2.5(3.2×1.5+2.5)÷1.6
5.4÷[2.6×(3.7-2.9)+0.62]12×6÷(12-7.2)-6
3.2×6+(1.5+2.5)÷1.6(3.2×1.5+2.5)÷1.6
5.8×(3.87-0.13)+4.2×3.74
33.02-(148.4-90.85)÷2.5
回答者:754791551-魔法学徒一级10-513:26
(一)计算题:
(1)23+(-73)
(2)(-84)+(-49)
(3)7+(-2.04)
(4)4.23+(-7.57)
(5)(-7/3)+(-7/6)
(6)9/4+(-3/2)
(7)3.75+(2.25)+5/4
(8)-3.75+(+5/4)+(-1.5)
(9)(-17/4)+(-10/3)+(+13/3)+(11/3)
(10)(-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4)
(11)(+1.3)-(+17/7)
(12)(-2)-(+2/3)
(13)|(-7.2)-(-6.3)+(1.1)|
(14)|(-5/4)-(-3/4)|-|1-5/4-|-3/4|)
(15)(-2/199)*(-7/6-3/2+8/3)
(16)4a)*(-3b)*(5c)*1/6
还有50道题,不过没有答案
1.3/7×49/9-4/3
2.8/9×15/36+1/27
3.12×5/6–2/9×3
4.8×5/4+1/4
5.6÷3/8–3/8÷6
6.4/7×5/9+3/7×5/9
7.5/2-(3/2+4/5)
8.7/8+(1/8+1/9)
9.9×5/6+5/6
10.3/4×8/9-1/3
0.12χ+1.8×0.9=7.2(9-5χ)×0.3=1.026.4χ-χ=28+4.4
11.7×5/49+3/14
12.6×(1/2+2/3)
13.8×4/5+8×11/5
14.31×5/6–5/6
15.9/7-(2/7–10/21)
16.5/9×18–14×2/7
17.4/5×25/16+2/3×3/4
18.14×8/7–5/6×12/15
19.17/32–3/4×9/24
20.3×2/9+1/3
21.5/7×3/25+3/7
22.3/14××2/3+1/6
23.1/5×2/3+5/6
24.9/22+1/11÷1/2
25.5/3×11/5+4/3
26.45×2/3+1/3×15
27.7/19+12/19×5/6
28.1/4+3/4÷2/3
29.8/7×21/16+1/2
30.101×1/5–1/5×21
31.50+160÷40(58+370)÷(64-45)
32.120-144÷18+35
33.347+45×2-4160÷52
34(58+37