【初一数学计算题及答案】不是应用题100道就够了

发布时间:2021-03-31 06:37:36

不是应用题100道就够了 数学

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【答案】 我这里有很多,你自己去摘抄一些把.
  1.25×(8+10)
  =1.25×8+1.25×10
  =10+12.5=22.5
  9123-(123+8.8)
  =9123-123-8.8
  =9000-8.8
  =8991.2
  1.24×8.3+8.3×1.76
  =8.3×(1.24+1.76)
  =8.3×3=24.9
  9999×1001
  =9999×(1000+1)
  =9999×1000+9999×1
  =10008999
  14.8×6.3-6.3×6.5+8.3×3.7
  =(14.8-6.5)×6.3+8.3×3.7
  =8.3×6.3+8.3×3.7
  8.3×(6.3+3.7)
  =8.3×10
  =83
  1.24+0.78+8.76
  =(1.24+8.76)+0.78
  =10+0.78
  =10.78
  933-157-43
  =933-(157+43)
  =933-200
  =733
  4821-998
  =4821-1000+2
  =3823
  I32×125×25
  =4×8×125×25
  =(4×25)×(8×125)
  =100×1000
  =100000
  9048÷268
  =(2600+2600+2600+1248)÷26
  =2600÷26+2600÷26+2600÷26+1248÷269
  =100+100+100+48
  =348
  2881÷ 43
  =(1290+1591)÷ 434
  =1290÷43+1591÷43
  =30+37
  3.2×42.3×3.75-12.5×0.423×16
  =3.2×42.3×3.75-1.25×42.3×1.6
  =42.3×(3.2×3.75-1.25×1.6)
  =42.3×(4×0.8×3.75-1.25×4×0.4)
  =42.3×(4×0.4×2×3.75-1.25×4×0.4)
  =42.3×(4x0.4x7.5-1.25x4x0.4)
  =42.3×[4×0.4×(7.5-1.25)]
  =42.3×[4×0.4×6.25]
  =42.3×(4×2.5)
  =4237
  1.8+18÷1.5-0.5×0.3
  =1.8+12-0.15
  =13.8-0.15
  =13.65
  6.5×8+3.5×8-47
  =52+28-47
  =80-47
  (80-9.8)×5分之2-1.32
  =70.2X2/5-1.32
  =28.08-1.32
  =26.76
  8×7分之4÷[1÷(3.2-2.95)]
  =8×4/7÷[1÷0.25]
  =8×4/7÷4
  =8/7
  2700×(506-499)÷900
  =2700×7÷900
  =18900÷900
  =21
  33.02-(148.4-90.85)÷2.5
  =33.02-57.55÷2.5
  =33.02-23.02
  =10
  (1÷1-1)÷5.1
  =(1-1)÷5.1
  =0÷5.1
  =0
  18.1+(3-0.299÷0.23)×1
  =18.1+1.7×1
  =18.1+1.7
  =19.8
  [-18]+29+[-52]+60= 19
  [-3]+[-2]+[-1]+0+1+2= -3
  [-301]+125+301+[-75]= 50
  [-1]+[-1/2]+3/4+[-1/4]= -1
  [-7/2]+5/6+[-0.5]+4/5+19/6= 1.25
  [-26.54]+[-6.14]+18.54+6.14= -8
  1.125+[-17/5]+[-1/8]+[-0.6]= -3
  [-98+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)
  5+21*8/2-6-59
  68/21-8-11*8+61
  -2/9-7/9-56
  4.6-(-3/4+1.6-4-3/4)
  1/2+3+5/6-7/12
  [2/3-4-1/4*(-0.4)]/1/3+2
  22+(-4)+(-2)+4*3
  -2*8-8*1/2+8/1/8
  (2/3+1/2)/(-1/12)*(-12)
  (-28)/(-6+4)+(-1)
  2/(-2)+0/7-(-8)*(-2)
  (1/4-5/6+1/3+2/3)/1/2
  18-6/(-3)*(-2)
  (5+3/8*8/30/(-2)-3
  (-84)/2*(-3)/(-6)
  1/2*(-4/15)/2/3
  -3x+2y-5x-7y
  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]÷2.5 81432÷(13×52+78)
  5.4÷[2.6×(3.7-2.9)+0.62] (947-599)+76×64 60-(9.5+28.9)]÷0.18 2.881÷0.43-0.24×3.5 20×[(2.44-1.8)÷0.4+0.15] 28-(3.4 1.25×2.4) 0.8×〔15.5-(3.21 5.79)〕 (31.8 3.2×4)÷5 194-64.8÷1.8×0.9 36.72÷4.25×9.9 3.416÷(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+35 10.15-10.75×0.4-5.7
  5.8×(3.87-0.13)+4.2×3.74 347+45×2-4160÷52
  32.52-(6+9.728÷3.2)×2.5 87(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
  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
  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=1.02 6.4χ-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)÷(64-9×5)
  35.95÷(64-45)
  36.178-145÷5×6+42 420+580-64×21÷28
  37.812-700÷(9+31×11) (136+64)×(65-345÷23)
  38.85+14×(14+208÷26)
  39.(284+16)×(512-8208÷18)
  40.120-36×4÷18+35
  41.(58+37)÷(64-9×5)
  42.(6.8-6.8×0.55)÷8.5
  43.0.12× 4.8÷0.12×4.8
  44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6
  45.6-1.6÷4= 5.38+7.85-5.37=
  46.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
  47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9
  48.10.15-10.75×0.4-5.7
  49.5.8×(3.87-0.13)+4.2×3.74
  50.32.52-(6+9.728÷3.2)×2.5
  51.-5+58+13+90+78-(-56)+50
  52.-7*2-57/(3
  53.(-7)*2/(1/3)+79/(3+6/4)
  54.123+456+789+98/(-4)
  55.369/33-(-54-31/15.5)
  56.39+{3x[42/2x(3x8)]}
  57.9x8x7/5x(4+6)
  58.11x22/(4+12/2)
  59.94+(-60)/10
  1.
  a^3-2b^3+ab(2a-b)
  =a^3+2a^2b-2b^3-ab^2
  =a^2(a+2b)-b^2(2b+a)
  =(a+2b)(a^2-b^2)
  =(a+2b)(a+b)(a-b)
  2.
  (x^2+y^2)^2-4y(x^2+y^2)+4y^2
  =(x^2+y^2-2y)^2
  3.
  (x^2+2x)^2+3(x^2+2x)+x^2+2x+3
  =(x^2+2x)^2+4(x^2+2x)+3
  =(x^2+2x+3)(x^2+2x+1)
  =(x^2+2x+3)(x+1)^2
  4.
  (a+1)(a+2)+(2a+1)(a-2)-12
  =a^2+3a+2+2a^2-3a-2-12
  =3a^2-12
  =3(a+2)(a-2)
  5.
  x^2(y+z)^2-2xy(x-z)(y+z)+y^2(x-z)^2
  =[x(y+z)-y(x-z)]^2
  =(xz+yz)^2
  =z^2(x+y)^2
  6.
  3(a+2)^2+28(a+2)-20
  =[3(a+2)-2][(a+2)+10]
  =(3a+4)(a+12)
  7.
  (a+b)^2-(b-c)^2+a^2-c^2
  =(a+b)^2-c^2+a^2-(b-c)^2
  =(a+b+c)(a+b-c)+(a+b-c)(a-b+c)
  =(a+b-c)(a+b+c+a-b+c)
  =2(a+b-c)(a+c)
  8.
  x(x+1)(x^2+x-1)-2
  =(x^2+x)(x^2+x-1)-2
  =(x^2+x)^2-(x^2+x)-2
  =(x^2+x-2)(x^2+x+1)
  =(x+2)(x-1)(x^2+x+1)
  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=1.02 6.4χ-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)÷(64-9×5)
  35.95÷(64-45)
  36.178-145÷5×6+42 420+580-64×21÷28
  37.812-700÷(9+31×11) (136+64)×(65-345÷23)
  38.85+14×(14+208÷26)
  39.(284+16)×(512-8208÷18)
  40.120-36×4÷18+35
  41.(58+37)÷(64-9×5)
  42.(6.8-6.8×0.55)÷8.5
  43.0.12× 4.8÷0.12×4.8
  44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6
  45.6-1.6÷4= 5.38+7.85-5.37=
  46.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
  47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9
  48.10.15-10.75×0.4-5.7
  49.5.8×(3.87-0.13)+4.2×3.74
  50.32.52-(6+9.728÷3.2)×2.5
  51.-5+58+13+90+78-(-56)+50
  52.-7*2-57/(3
  53.(-7)*2/(1/3)+79/(3+6/4)
  54.123+456+789+98/(-4)
  55.369/33-(-54-31/15.5)
  56.39+{3x[42/2x(3x8)]}
  57.9x8x7/5x(4+6)
  58.11x22/(4+12/2)
  59.94+(-60)/10
  1.
  a^3-2b^3+ab(2a-b)
  =a^3+2a^2b-2b^3-ab^2
  =a^2(a+2b)-b^2(2b+a)
  =(a+2b)(a^2-b^2)
  =(a+2b)(a+b)(a-b)
  2.
  (x^2+y^2)^2-4y(x^2+y^2)+4y^2
  =(x^2+y^2-2y)^2
  3.
  (x^2+2x)^2+3(x^2+2x)+x^2+2x+3
  =(x^2+2x)^2+4(x^2+2x)+3
  =(x^2+2x+3)(x^2+2x+1)
  =(x^2+2x+3)(x+1)^2
  4.
  (a+1)(a+2)+(2a+1)(a-2)-12
  =a^2+3a+2+2a^2-3a-2-12
  =3a^2-12
  =3(a+2)(a-2)
  5.
  x^2(y+z)^2-2xy(x-z)(y+z)+y^2(x-z)^2
  =[x(y+z)-y(x-z)]^2
  =(xz+yz)^2
  =z^2(x+y)^2
  6.
  3(a+2)^2+28(a+2)-20
  =[3(a+2)-2][(a+2)+10]
  =(3a+4)(a+12)
  7.
  (a+b)^2-(b-c)^2+a^2-c^2
  =(a+b)^2-c^2+a^2-(b-c)^2
  =(a+b+c)(a+b-c)+(a+b-c)(a-b+c)
  =(a+b-c)(a+b+c+a-b+c)
  =2(a+b-c)(a+c)
  8.
  x(x+1)(x^2+x-1)-2
  =(x^2+x)(x^2+x-1)-2
  =(x^2+x)^2-(x^2+x)-2
  =(x^2+x-2)(x^2+x+1)
  =(x+2)(x-1)(x^2+x+1)
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