七年级有理数的口算(正负数).越多越好,至少300道哦!有悬赏!

1个回答

  • [-|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

    -1+2-3+4-5+6-7

    -50-28+(-24)-(-22)

    -19.8-(-20.3)-(+20.2)-10.8

    0.25- +(-1 )-(+3 )

    -1-〔1-(1-0.6÷3)〕×〔2-(-3)×(-4)〕

    0÷(-4)-42-(-8)÷(-1)3

    -32-(-3) 2-(-3)3+(-1)6

    3×(-2)2+(-2×3)2+(-2+3)2

    (-12)÷4×(-6)÷2

    (-12)÷4×(-6)×2

    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)

    -(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

    -38)+52+118+(-62)=

    (-32)+68+(-29)+(-68)=

    (-21)+251+21+(-151)=

    12+35+(-23)+0=

    (-6)+8+(-4)+12 =

    27+(-26)+33+(-27)

    12+35+(-23)+0=

    39+[-23]+0+[-16]=

    [-18]+29+[-52]+60=

    [-3]+[-2]+[-1]+0+1+2=

    [-301]+125+301+[-75]=

    [-1]+[-1/2]+[+3/4]+[-1/4]=

    [-7/2]+[+5/6]+[-0.5]+4/5+19/6=

    [-26.54]+[-6.14]+18.54+6.14=

    1.125+[-17/5]+[-1/8]+[-0.6]=

    1-4/9 =

    1-7/10=

    8/15-5=

    7-15=

    2/8-5/8=

    8/27-5 =

    4-27 =

    11/12-10/12=

    16/21-1/7 =

    4/ 2-(3+3 )=

    1/3- 7/12-7/18=

    1 -1/3-1 1/5 =

    10-7/10=

    5/24+3/8 =