要小数点的,乘除法!各99道!

2个回答

  • 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

    4.5÷1.8 4.2÷3.5 930÷0.6÷5

    小学五年级数学试题

    一、 填空题

    1. 7.2×0.63的积里有( )位小数.

    2. 由7个1000,9个0.1和3个0.01组成的数是( ).

    3. 把3.964的小数点向右移动三位,小数就( )倍.

    4. 8.6×0.72=( )×7.2

    5. 把0.836扩大成小数部分是一位的小数是( ),小数点向( )移动了( )位.

    二、 简算题

    1. 2.4×12.5=

    2. 9.43×101=

    3. 3.4×12.5+6.6×12.5=

    4. 0.125×9.3×0.8=

    5. 700×0.34×2.9=

    三、 计算题

    1. 用竖式计算.18.25×34=

    2. 用竖式计算.9.35×4.2=

    3. 用竖式计算.15.07×9.8=

    4. 用竖式计算.7.02×0.56= (得数保留两位小数)

    5. 81.25×0.6×9.3

    四、 文字叙述题

    1. 38.62的4.5倍是多少?

    2. 把7.2与9.5的积扩大30倍,结果是多少?

    3. 4.25与0.9的差乘以0.8,结果是多少?

    4. 一个数与4.8的差被0.5除, 商是36, 这个数是多少?(用方程解)

    5. 7.2比某数的2倍少0.8, 某数是多少?(用方程解)

    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

    4.5÷1.8 4.2÷3.5 930÷0.6÷5