求五十道数学计算题

1个回答

  • 9405-2940÷28×21

    920-1680÷40÷7

    690+47×52-398

    148+3328÷64-75

    360×24÷32+730

    2100-94+48×54

    51+(2304-2042)×23

    4215+(4361-716)÷81

    (247+18)×27÷25

    36-720÷(360÷18)

    1080÷(63-54)×80

    (528+912)×5-6178

    8528÷41×38-904

    264+318-8280÷69

    (174+209)×26- 9000

    814-(278+322)÷15

    1406+735×9÷45

    3168-7828÷38+504

    796-5040÷(630÷7)

    285+(3000-372)÷36

    1+5/6-19/12

    3x(-9)+7x(-9

    (-54)x1/6x(-1/3)

    1.18.1+(3-0.299÷0.23)×1

    2.(6.8-6.8×0.55)÷8.5

    3.0.12× 4.8÷0.12×4.8

    4.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6

    5.6-1.6÷4= 5.38+7.85-5.37=

    6.7.2÷0.8-1.2×5= 6-1.19×3-0.43=

    7.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9

    8.10.15-10.75×0.4-5.7

    9.5.8×(3.87-0.13)+4.2×3.74

    10.32.52-(6+9.728÷3.2)×2.5

    11.[(7.1-5.6)×0.9-1.15] ÷2.5

    12.5.4÷[2.6×(3.7-2.9)+0.62]

    13.12×6÷(12-7.2)-6

    14.12×6÷7.2-6

    15.33.02-(148.4-90.85)÷2.5

    7×(5/21+9/714)

    50.32.52-(6+9.728÷3.2)×2.5 0.45×2.5= 0.8×1.25= 0.3×3.6= 0.3×0.3= 10×0.07= 0.3×1.4= 0.05×7= 0.92×0.4= 0.2×0.26= 0.14×4= 0.02×0.1= 1.2×0.3=0.2×0.4= 8.2+1.8= 100-35.22= 2.3×4=

    2.5×0.4= 2.4×5= 0.22×4= 3.25×0=

    0.9-0.52= 3.99×1= 0×3.52= 12.5×8=

    8÷10 = 10-1.8-7.2= 0.43+3.57= 2.5×4×12=

    0.9×0.8= 7.5x-3x = a+3a+7a== 1.05×100= 1÷0.5= 0.96÷3= 1.47÷0.7= 5.4÷6=

    0.16.5×10= 0.56×100= 3.78×100= 4÷0.8 =

    3.215×100= 0.8×10= 4.08×100= 1.1×0.2 =

    0.6×0.8 = 3×0.9= 2.5×0.4= 3.6×0.4=

    12.5×8= 50×0.04= 80×0.3 = 1.1×9=

    0.16×5 = 1.78+2.2 = 9.6÷0.6 = 1.2×0.5-0.4 = 0.7÷0.01 = 2.5×0.4 = 12-3.9= 1.25×8÷1.25 = 6.6÷0.66 = 5.37×0+4.63 = 3.9+2.03= 4.2÷3.5=

    1.6+2.4×0.3 = 2.14-0.9= 27+456+73= 0.3×0.3=

    7.2+2.8= 0.9÷0.01= 12÷0.3= 2.87÷0.7=

    13÷4= 0.96÷0.3= 1.5×0.4= 7÷0.25= 2.5×0.7×0.8= 8-2.5= 16÷1.6= 5.6×1.01= 8×(2.5+0.25)= 0.36+0.64= 64.32÷16= 4.2÷0.1=

    72.8÷0.8= 8.4÷4.2= 13.8+9.9= 2.4×2.5=

    0.05×0.8= 2.56-0.37= 1.25×0.8×0.5= 12×2.5= 1.23×3= 3.2÷1.6= 3.5+3.5×3= 19.6÷2= 8.8÷2.2= 0.75×4= (1.5+0.25)×4= 0.5×0.8=

    8.4×0.2= 1.6×0.2= 7.2×0.3= 2.8×0.3= 0.9÷0.15= 1.8×0.4= 5.5÷0.55= 0.08×100=

    2.2÷0.11= 5.46+4.54= 12.5×0.8= 0.35×0.3=

    1.4×5= 2.8×4= 19.6÷4= 22.5×4=

    2、用竖式计算

    0.396÷1.2= 0.756÷0.36= 15.6×13=

    0.18×15= 0.025×14= 3.06×36=

    0.04×0.12= 3.84×2.6≈ 5.76×3=

    (保留一位小数)

    7.15×22 90.75÷3.3 3.68×0.25

    16.9÷0.13 1.55÷3.9 3.7×0.016

    13.76×0.8= 5.2×0.6 8.4×1.3

    6.4×0.5 4.48×0.4 5.25×5

    35.4×4.2 0.042×0.54 0.76×0.32

    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

    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

    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

    37.812-700÷(9+31×11)

    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.

    51.(136+64)×(65-345÷23)

    52. 420+580-64×21÷28

    53.(58+370)÷(64-45)

    6.9+4.8+3.1 0.456+6.22+3.78 15.89+(6.75-5.8)*6

    4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.75+6.48)*6

    3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2

    3.82+2.9+0.18+9.1 9.6+4.8-3.6 7.14-0.53-2.47

    5.27+2.86-0.66+1.63 13.35-4.68+2.65 73.8-1.64-13.8-5.36

    47.8-7.45+8.8 0.398+0.36+3.64 15.75+3.59-0.59+14.25

    66.86-8.66-1.34 0.25×16.2×4 (1.25-0.125)×8

    3.6×102 3.72×3.5+6.28×3.5 36.8-3.9-6.1

    15.6×13.1-15.6-15.6×2.1 4.8×7.8+78×0.52 32+4.9-0.9

    4.8×100.1 56.5×9.9+56.5 7.09×10.8-0.8×7

    25.48-(9.4-0.52) 4.2÷3.5 320÷1.25÷8

    18.76×9.9+18.76 3.52÷2.5÷0.4 3.9-4.1+6.1-5.9

    5.6÷3.5 9.6÷0.8÷0.4 4.2×99+4.2

    17.8÷(1.78×4) 0.49÷1.4 1.25×2.5×32 3.65×10.1

    15.2÷0.25÷4 0.89×100.1 146.5-(23+46.5)

    3.83×4.56+3.83×5.44 4.36×12.5×8 9.7×99+9.7

    27.5×3.7-7.5×3.7 8.54÷2.5÷0.4 0.65×101 3.2×0.25×12.5

    (45.9-32.7)÷8÷0.125 3.14×0.68+31.4×0.032 5.6÷1.25÷0.8÷2.5÷0.4

    7.2×0.2+2.4×1.4 8.9×1.01 7.74×(2.8-1.3)+1.5×2.2

    3.9×2.7+3.9×7.3 18-1.8÷0.125÷0.8 12.7×9.9+1.27

    21×(9.3-3.7)-5.6 15.02-6.8-1.02 5.4×11-5.4

    2.3×16+2.3×23+2.3 9.43-(6.28-1.57) 3.65×4.7-36.5×0.37

    46×57+23×86 13.7×0.25-3.7÷4 2.22×9.9+6.66×6.7

    101×0.87-0.91×87 10.7×16.1-15.1×10.7 0.79×199

    4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24

    2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.98

    0.134+2.66+0.866 1.27+3.9+0.73+16.1 7.5+4.9-6.5

    3.07-0.38-1.62 1.29+3.7+2.71+6.3 8-2.45-1.5

    3.25+1.79-0.59+1.75 23.4-0.8-13.4-7.2 0.32×403

    3.2+0.36+4.8+1.64 1.23+3.4-0.23+6.6 0.25×36

    12.7-(3.7+0.84) 36.54-1.76-4.54 0.25×0.73×5

    7.6×0.8+0.2×7.6 0.85×199 0.25×8.5×4

    1.28×8.6+0.72×8.6 12.5×0.96×0.8 10.4-9.6×0.5

    0.8×(4.3×1.25) 3.12+3.12×99 28.6×101-28.3

    0.86×15.7-0.86×14.7 2.4×102 2.31×1.2×0.5

    14-7.32-2.68 2.64+8.67+7.36+11.33 70÷28

    (2.5-0.25)×0.4 9.16×1.5-0.5×9.16 3.6-3.6×0.5

    63.4÷2.5÷0.4 4.9÷1.4 3.9÷(1.3×5)

    (7.7+1.54)÷0.7 2.5×2.4 2.7÷45 15÷(0.15×0.4)

    0.35×1.25×2×0.8 32.4×0.9+0.1×32.4 15÷0.25

    0.25×0.046 2.52×3.4 1.08×25

    0.12×0.5×0.16= 4.8×0.25= 0.125×1.4≈

    (保留两位小数)

    2.5÷0.7= (保留三位小数) 10.1÷3.3= (商用循环小数)

    10.75÷12.5= (用乘法验算) 3.25×9.04= (用除法验算)

    3、脱式计算(能简算的要简算)

    2.5×7.1×4 16.12×99+16.12 5.2×0.9+0.9

    7.28×99+7.28 4.3×50×0.2 64-2.64×0.5

    26×15.7+15.7×24 (2.275 +0.625)×0.28

    3.94+34.3×0.2 1.2×(9.6÷2.4)÷4.8

    8.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46

    8.05×3.4+7.6 6.58×4.5×0.9 2.8×0.5+1.58

    32+4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×8

    4.8×100.1 56.5×99+56.5 7.09×10.8-0.8×7.09

    4.85 + 0.35 ÷ 1.4 8.7 × 17.4 - 8.7 × 7.4

    12.5×0.4×2.5×8 0.87×3.16+4.64 9.5×101

    0.68 ÷(5.2 -3.5)× 1.25

    40.5 ÷ 0.81 × 0.18 4.8 ×(15 ÷ 2.4) 2.13.×0.×8257

    6.81+6.81×99 0.25×185×40 4.4×0.8-3.4×0.8

    (9.37+9.37+9.37+9.37)× 2.5 4.2.×1.+1.×1.75

    2.37×6.3+2.37×3.7 2.5×1.25×0.32 3.8×10.1

    2.5×(3.8×0.04) 7.69×101 3.8×10.1

    0.25×39+0.25 0.125×72 46×0.33+54×0.33

    (8×5.27) ×1.25 6.81+6.81×99 0.25×185×40

    6.8×0.75÷0.5 3.75÷0.125–2.75 1.53+23.4÷7.2

    9.5×99 13.5×0.98 12.5×8.8

    二、解方程:

    54-X=24 7X=49 126÷X=42

    13+A=28.5 2.4X=26.4 7.5x-3x=18

    5×1.3-2x=5.5 24x+6x=63.6 5.6x+4.4x=5.2

    三、列式计算

    1、20减去0.8的差除以4个0.3的和,商是多少?

    2、一个数的2.6倍加上9,和是35,求这个数.(用方程解)

    3、1.2与4的积,减去6.除以5的商,差是多少?

    4、2.1除以35的商,加上4.与0.45的积,和是多少?

    5、一个数的3倍加上6与8的积,和是84,求这个数.

    6、4.08除以0.6的商,再乘以5.,积是多少?

    7、甲、乙两数的积是25.2,甲数是56,乙数是多少?

    8、把0.47平均分成7份,每份是多少?

    9、1.25乘4.2减5,差是多少?

    10、比4.7的1.5倍多3.05的数是多少?

    0.43×0.28= 6.45×0.73= 4.6×0.6=

    8.9×0.05= 3.08×0.43= 1.5×26.7=

    5.22÷29= 18.72÷3.6= 13.95÷3.1=