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  20道有理数混合运算试题

  20道有理数混合运算试题

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2020-01-29 20:40
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杜啸晓

  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

2020-01-29 20:43:07

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