谁能给我90道初一计算题和答案 寒假作业老师给布置了172道计算

1个回答

  • 2x+17=35

    3x-64=11

    12+8x=52

    0.8x-4.2=2.2

    2x+5=10

    3x-15=75

    4x+4o=320

    3x+77=122

    5x-1.6=0.6

    6x-4=20

    10x-0.6=2.4

    500-12x=140

    1) 66x+17y=3967

    25x+y=1200

    答案:x=48 y=47

    (2) 18x+23y=2303

    74x-y=1998

    答案:x=27 y=79

    (3) 44x+90y=7796

    44x+y=3476

    答案:x=79 y=48

    (4) 76x-66y=4082

    30x-y=2940

    答案:x=98 y=51

    (5) 67x+54y=8546

    71x-y=5680

    答案:x=80 y=59

    (6) 42x-95y=-1410

    21x-y=1575

    答案:x=75 y=48

    (7) 47x-40y=853

    34x-y=2006

    答案:x=59 y=48

    (8) 19x-32y=-1786

    75x+y=4950

    答案:x=66 y=95

    (9) 97x+24y=7202

    58x-y=2900

    答案:x=50 y=98

    (10) 42x+85y=6362

    63x-y=1638

    答案:x=26 y=62

    (11) 85x-92y=-2518

    27x-y=486

    答案:x=18 y=44

    (12) 79x+40y=2419

    56x-y=1176

    答案:x=21 y=19

    (13) 80x-87y=2156

    22x-y=880

    答案:x=40 y=12

    (14) 32x+62y=5134

    57x+y=2850

    答案:x=50 y=57

    (15) 83x-49y=82

    59x+y=2183

    答案:x=37 y=61

    (16) 91x+70y=5845

    95x-y=4275

    答案:x=45 y=25

    (17) 29x+44y=5281

    88x-y=3608

    答案:x=41 y=93

    (18) 25x-95y=-4355

    40x-y=2000

    答案:x=50 y=59

    (19) 54x+68y=3284

    78x+y=1404

    答案:x=18 y=34

    (20) 70x+13y=3520

    52x+y=2132

    答案:x=41 y=50

    (21) 48x-54y=-3186

    24x+y=1080

    答案:x=45 y=99

    (22) 36x+77y=7619

    47x-y=799

    答案:x=17 y=91

    (23) 13x-42y=-2717

    31x-y=1333

    答案:x=43 y=78

    (24) 28x+28y=3332

    52x-y=4628

    答案:x=89 y=30

    (25) 62x-98y=-2564

    46x-y=2024

    答案:x=44 y=54

    (26) 79x-76y=-4388

    26x-y=832

    答案:x=32 y=91

    (27) 63x-40y=-821

    42x-y=546

    答案:x=13 y=41

    (28) 69x-96y=-1209

    42x+y=3822

    答案:x=91 y=78

    (29) 85x+67y=7338

    11x+y=308

    答案:x=28 y=74

    (30) 78x+74y=12928

    14x+y=1218

    答案:x=87 y=83

    (31) 39x+42y=5331

    59x-y=5841

    答案:x=99 y=35

    (32) 29x+18y=1916

    58x+y=2320

    答案:x=40 y=42

    (33) 40x+31y=6043

    45x-y=3555

    答案:x=79 y=93

    (34) 47x+50y=8598

    45x+y=3780

    答案:x=84 y=93

    (35) 45x-30y=-1455

    29x-y=725

    答案:x=25 y=86

    (36) 11x-43y=-1361

    47x+y=799

    答案:x=17 y=36

    (37) 33x+59y=3254

    94x+y=1034

    答案:x=11 y=49

    (38) 89x-74y=-2735

    68x+y=1020

    答案:x=15 y=55

    (39) 94x+71y=7517

    78x+y=3822

    答案:x=49 y=41

    (40) 28x-62y=-4934

    46x+y=552

    答案:x=12 y=85

    (41) 75x+43y=8472

    17x-y=1394

    答案:x=82 y=54

    (42) 41x-38y=-1180

    29x+y=1450

    答案:x=50 y=85

    (43) 22x-59y=824

    63x+y=4725

    答案:x=75 y=14

    (44) 95x-56y=-401

    90x+y=1530

    答案:x=17 y=36

    (45) 93x-52y=-852

    29x+y=464

    答案:x=16 y=45

    (46) 93x+12y=8823

    54x+y=4914

    答案:x=91 y=30

    (47) 21x-63y=84

    20x+y=1880

    答案:x=94 y=30

    (48) 48x+93y=9756

    38x-y=950

    答案:x=25 y=92

    (49) 99x-67y=4011

    75x-y=5475

    答案:x=73 y=48

    (50) 83x+64y=9291

    90x-y=3690

    答案:x=41 y=92

    3X+18=52 x=34/3

    4Y+11=22 y=11/4

    3X*9=5 x=5/27

    8Z/6=48 z=36

    3X+7=59 x=52/3

    4Y-69=81 y=75/4

    8X*6=5 x=5/48

    7Z/9=4 y=63/7

    15X+8-5X=54 x=4.6

    5Y*5=27 y=27/40

    8x+2=10 x=1

    x*8=88 x=11

    y-90=1 y=91

    2x-98=2 x=50

    6x*6=12 x=1/3

    5-6=5x x=-1/5

    6*x=42 x=7

    55-y=33 y=22

    11*3x=60 x=20/11

    8-y=2 y=-6

    1.x+2=3

    2.x+32=33

    3.x+6=18

    4.4+x=47

    5.19-x=8

    6.98-x=13

    7.66-x=10

    8.5x=10

    9.3x=27

    10.7x=7

    11.8x=8

    12.9x=9

    13.10x=100

    14.66x=660

    15.7x=49

    16.2x=4

    17.3x=9

    18.4x=16

    19.5x=25

    20.6x=36

    21.8x=64

    22.9x=81

    23.10x=100

    24.11x=121

    25.12x=144

    26.13x=169

    27.14x=196

    28.15x=225

    29.16x=256

    30.17x=289

    31.18x=324

    32.19x=361

    33.20x=400

    31.21x=441

    32.22x=484

    33.111x=12321

    34.1111x=1234321

    35.11111x=123454321

    36.111111x=12345654321

    37.46/x=23

    38.64/x=8

    39.99/x=11

    40.1235467564x=0

    41.2x+1= -2+x

    42.4x-3(20-x)=3

    43..-2(x-1)=4

    44.3X+189=521

    45.4Y+119=22 5

    46.3X+77=59

    47.4Y-6985=81

    48.X=0.1

    49.5X=55.5

    50.Y=50-85

    (-8)-(-1) =-7

    45+(-30) =15

    -1.5-(-11.5) =10

    -0.25-(-0.5) =0.25

    15-【1-(-20-4)】 =-10

    -40-28-(-19)+(-24) =-73

    22.54+(-4.4)+(-12.54)+4.4 =10

    (2/3{三分只二 “/”是分数线}-1/2)-(1/3-5/6)=2/3

    2.4-(-3/5)+(-3.1)+4/5 =0.7

    (-6/13)+(-7/13)-(-2) =1

    3/4-(-11/6)+(-7/3) =1/4

    11+(-22)-3×(-11) =22

    (-0.1)÷0.5×(-100) =20

    (-2)的3次方-9 =-17

    23÷[-9-(-4)] =-23/5

    (3/4-7/8)÷(-7/8) =1/7

    (-60)×(3/4+5/6)=-95

    [-|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

    ——————————————————————————(以上计算题,找死我了,还有一些是自己写的)

    1.计算题:(10′×5=50′)

    (1)3.28-4.76+1 - ;

    (2)2.75-2 -3 +1 ;

    (3)42÷(-1 )-1 ÷(-0.125);

    (4)(-48) ÷82-(-25) ÷(-6)2;

    (5)- +( )×(-2.4).

    2.计算题:(10′×5=50′)

    (1)-23÷1 ×(-1 )2÷(1 )2;

    (2)-14-(2-0.5)× ×[( )2-( )3];

    (3)-1 ×[1-3×(- )2]-( )2×(-2)3÷(- )3

    (4)(0.12+0.32) ÷ [-22+(-3)2-3 × ];

    (5)-6.24×32+31.2×(-2)3+(-0.51) ×624.

    【素质优化训练】

    1.填空题:

    (1)如是 ,那么ac 0;如果 ,那么ac 0;

    (2)若 ,则abc= ; -a2b2c2= ;

    (3)已知a,b互为相反数,c,d互为倒数,x的绝对值等于2,那么x2-(a+b)+cdx= .

    2.计算:

    (1)-32-

    (2){1+[ ]×(-2)4}÷(- );

    (3)5-3×{-2+4×[-3×(-2)2-(-4) ÷(-1)3]-7}.

    【生活实际运用】

    甲用1000元人民币购买了一手股票,随即他将这手股票转卖给乙,获利10%,而后乙又将这手股票反卖给甲,但乙损失了10%.最后甲按乙卖给甲的价格的九折将这手股票卖给了乙,在上述股票交易中( )

    A.甲刚好亏盈平衡; B.甲盈利1元;

    C.甲盈利9元; D.甲亏本1.1元.

    参考答案:

    【同步达纲练习】

    1.(1)-0.73 (2)-1 ; (3)-14; (4)- ; (5)-2.9

    2.(1)-3 (2)-1 ; (3)- ; (4)1; (5)-624.

    【素质优化训练】

    1.(1)>,>; (2)24,-576; (3)2或6.[提示:∵ =2 ∴x2=4,x=±2]. 2.(1)-31; (2)-8 (3)224

    【生活实际运用】 B

    ————————————————————————(以上练习题)