北师大版七年级数学有理数的运算试题及答案

1个回答

  • 1.125*3+125*5+25*3+25

    2.9999*3+101*11*(101-92)

    3.(23/4-3/4)*(3*6+2)

    4. 3/7 × 49/9 - 4/3

    5. 8/9 × 15/36 + 1/27

    6. 12× 5/6 – 2/9 ×3

    7. 8× 5/4 + 1/4

    8. 6÷ 3/8 – 3/8 ÷6

    9. 4/7 × 5/9 + 3/7 × 5/9

    10. 5/2 -( 3/2 + 4/5 )

    11. 7/8 + ( 1/8 + 1/9 )

    12. 9 × 5/6 + 5/6

    13. 3/4 × 8/9 - 1/3

    14. 7 × 5/49 + 3/14

    15. 6 ×( 1/2 + 2/3 )

    16. 8 × 4/5 + 8 × 11/5

    17. 31 × 5/6 – 5/6

    18. 9/7 - ( 2/7 – 10/21 )

    19. 5/9 × 18 – 14 × 2/7

    20. 4/5 × 25/16 + 2/3 × 3/4

    21. 14 × 8/7 – 5/6 × 12/15

    22. 17/32 – 3/4 × 9/24

    23. 3 × 2/9 + 1/3

    24. 5/7 × 3/25 + 3/7

    25. 3/14 ×× 2/3 + 1/6

    26. 1/5 × 2/3 + 5/6

    27. 9/22 + 1/11 ÷ 1/2

    28. 5/3 × 11/5 + 4/3

    29. 45 × 2/3 + 1/3 × 15

    30. 7/19 + 12/19 × 5/6

    31. 1/4 + 3/4 ÷ 2/3

    32. 8/7 × 21/16 + 1/2

    33. 101 × 1/5 – 1/5 × 21

    34.50+160÷40

    35.120-144÷18+35

    36.347+45×2-4160÷52

    37(58+37)÷(64-9×5)

    38.95÷(64-45)

    39.178-145÷5×6+42

    40.812-700÷(9+31×11)

    41.85+14×(14+208÷26)

    43.120-36×4÷18+35

    44.(58+37)÷(64-9×5)

    45.(6.8-6.8×0.55)÷8.5

    46.0.12× 4.8÷0.12×4.8

    47.(3.2×1.5+2.5)÷1.6

    48.6-1.6÷4= 5.38+7.85-5.37=

    49.7.2÷0.8-1.2×5= 6-1.19×3-0.43=

    50.6.5×(4.8-1.2×4)=

    51.5.8×(3.87-0.13)+4.2×3.74

    52.32.52-(6+9.728÷3.2)×2.5

    53.[(7.1-5.6)×0.9-1.15] ÷2.5

    54.5.4÷[2.6×(3.7-2.9)+0.62]

    55.12×6÷(12-7.2)-6

    56.12×6÷7.2-6

    57.0.68×1.9+0.32×1.9

    58.58+370)÷(64-45)

    59.420+580-64×21÷28

    60.136+6×(65-345÷23)

    15-10.75×0.4-5.7

    62.18.1+(3-0.299÷0.23)×1

    63.(6.8-6.8×0.55)÷8.5

    64.0.12× 4.8÷0.12×4.8

    65.(3.2×1.5+2.5)÷1.6

    66.3.2×6+(1.5+2.5)÷1.6

    67.0.68×1.9+0.32×1.9

    68.10.15-10.75×0.4-5.7

    69.5.8×(3.87-0.13)+4.2×3.74

    70.32.52-(6+9.728÷3.2)×2.5

    71.[(7.1-5.6)×0.9-1.15] ÷2.5

    72.5.4÷[2.6×(3.7-2.9)+0.62]

    73.12×6÷(12-7.2)-6

    74.12×6÷7.2-6

    75.33.02-(148.4-90.85)÷2.5

    1) 76.(25%-695%-12%)*36

    77./4*3/5+3/4*2/5

    78.1-1/4+8/9/7/9

    79.+1/6/3/24+2/21

    80./15*3/5

    81.3/4/9/10-1/6

    82./3+1/2)/5/6-1/3]/1/7

    83./5+3/5/2+3/4

    84.(2-2/3/1/2)]*2/5

    85.+5268.32-2569

    86.3+456-52*8

    87.5%+6325

    88./2+1/3+1/4

    2) 89+456-78

    3) 5%+. 3/7 × 49/9 - 4/3

    4) 9 × 15/36 + 1/27

    5) 2× 5/6 – 2/9 ×3

    6) 3× 5/4 + 1/4

    7) 94÷ 3/8 – 3/8 ÷6

    8) 95/7 × 5/9 + 3/7 × 5/9

    9) 6/2 -( 3/2 + 4/5 )

    10) 8 + ( 1/8 + 1/9 )

    11) 8 × 5/6 + 5/6

    12) 1/4 × 8/9 - 1/3

    13) 10 × 5/49 + 3/14

    14) 1.5 ×( 1/2 + 2/3 )

    15) 2/9 × 4/5 + 8 × 11/5

    16) 3.1 × 5/6 – 5/6

    17) 4/7 - ( 2/7 – 10/21 )

    18) 19 × 18 – 14 × 2/7

    19) 5 × 25/16 + 2/3 × 3/4

    20) 4 × 8/7 – 5/6 × 12/15

    21) 7/32 – 3/4 × 9/24

    22) 1、 2/3÷1/2-1/4×2/5

    2、 2-6/13÷9/26-2/3

    3、 2/9+1/2÷4/5+3/8

    4、 10÷5/9+1/6×4

    5、 1/2×2/5+9/10÷9/20

    6、 5/9×3/10+2/7÷2/5

    7、 1/2+1/4×4/5-1/8

    8、 3/4×5/7×4/3-1/2

    9、 23-8/9×1/27÷1/27

    10、 8×5/6+2/5÷4

    11、 1/2+3/4×5/12×4/5

    12、 8/9×3/4-3/8÷3/4

    13、 5/8÷5/4+3/23÷9/11

    23) 1.2×2.5+0.8×2.5

    24) 8.9×1.25-0.9×1.25

    25) 12.5×7.4×0.8

    26) 9.9×6.4-(2.5+0.24)(27) 6.5×9.5+6.5×0.5

    0.35×1.6+0.35×3.4

    0.25×8.6×4

    6.72-3.28-1.72

    0.45+6.37+4.55

    5.4+6.9×3-(25-2.5)2×41846-620-380

    4.8×46+4.8×54

    0.8+0.8×2.5

    1.25×3.6×8×2.5-12.5×2.4

    28×12.5-12.5×20

    23.65-(3.07+3.65)

    (4+0.4×0.25)8×7×1.25

    1.65×99+1.65

    27.85-(7.85+3.4)

    48×1.25+50×1.25×0.2×8

    7.8×9.9+0.78

    (1010+309+4+681+6)×12

    3×9146×782×6×854

    5.15×7/8+6.1-0.60625

    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 (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.[(7.1-5.6)×0.9-1.15] ÷2.5

    52.5.4÷[2.6×(3.7-2.9)+0.62]

    53.12×6÷(12-7.2)-6 (4)12×6÷7.2-6

    102×4.5

    7.8×6.9+2.2×6.9

    5.6×0.25

    8×(20-1.25)

    1)127+352+73+44 (2)89+276+135+33

    (1)25+71+75+29 +88 (2)243+89+111+57

    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