初一的解方程的计算题谁有?越多越好!

1个回答

  • 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

    (51) 17x+62y=3216

    75x-y=7350

    答案:x=98 y=25

    (52) 77x+67y=2739

    14x-y=364

    答案:x=26 y=11

    (53) 20x-68y=-4596

    14x-y=924

    答案:x=66 y=87

    (54) 23x+87y=4110

    83x-y=5727

    答案:x=69 y=29

    (55) 22x-38y=804

    86x+y=6708

    答案:x=78 y=24

    (56) 20x-45y=-3520

    56x+y=728

    答案:x=13 y=84

    (57) 46x+37y=7085

    61x-y=4636

    答案:x=76 y=97

    (58) 17x+61y=4088

    71x+y=5609

    答案:x=79 y=45

    (59) 51x-61y=-1907

    89x-y=2314

    答案:x=26 y=53

    (60) 69x-98y=-2404

    21x+y=1386

    答案:x=66 y=71

    (61) 15x-41y=754

    74x-y=6956

    答案:x=94 y=16

    (62) 78x-55y=656

    89x+y=5518

    答案:x=62 y=76

    (63) 29x+21y=1633

    31x-y=713

    答案:x=23 y=46

    (64) 58x-28y=2724

    35x+y=3080

    答案:x=88 y=85

    (65) 28x-63y=-2254

    88x-y=2024

    答案:x=23 y=46

    (66) 43x+50y=7064

    85x+y=8330

    答案:x=98 y=57

    (67) 58x-77y=1170

    38x-y=2280

    答案:x=60 y=30

    (68) 92x+83y=11586

    43x+y=3010

    答案:x=70 y=62

    (69) 99x+82y=6055

    52x-y=1716

    答案:x=33 y=34

    (70) 15x+26y=1729

    94x+y=8554

    答案:x=91 y=14

    (71) 64x+32y=3552

    56x-y=2296

    答案:x=41 y=29

    (72) 94x+66y=10524

    84x-y=7812

    答案:x=93 y=27

    (73) 65x-79y=-5815

    89x+y=2314

    答案:x=26 y=95

    (74) 96x+54y=6216

    63x-y=1953

    答案:x=31 y=60

    (75) 60x-44y=-352

    33x-y=1452

    答案:x=44 y=68

    (76) 79x-45y=510

    14x-y=840

    答案:x=60 y=94

    (77) 29x-35y=-218

    59x-y=4897

    答案:x=83 y=75

    (78) 33x-24y=1905

    30x+y=2670

    答案:x=89 y=43

    (79) 61x+94y=11800

    93x+y=5952

    答案:x=64 y=84

    (80) 61x+90y=5001

    48x+y=2448

    答案:x=51 y=21

    (81) 93x-19y=2

    86x-y=1548

    答案:x=18 y=88

    (82) 19x-96y=-5910

    30x-y=2340

    答案:x=78 y=77

    (83) 80x+74y=8088

    96x-y=8640

    答案:x=90 y=12

    (84) 53x-94y=1946

    45x+y=2610

    答案:x=58 y=12

    (85) 93x+12y=9117

    28x-y=2492

    答案:x=89 y=70

    (86) 66x-71y=-1673

    99x-y=7821

    答案:x=79 y=97

    (87) 43x-52y=-1742

    76x+y=1976

    答案:x=26 y=55

    (88) 70x+35y=8295

    40x+y=2920

    答案:x=73 y=91

    (89) 43x+82y=4757

    11x+y=231

    答案:x=21 y=47

    (90) 12x-19y=236

    95x-y=7885

    答案:x=83 y=40

    (91) 51x+99y=8031

    71x-y=2911

    答案:x=41 y=60

    (92) 37x+74y=4403

    69x-y=6003

    答案:x=87 y=16

    (93) 46x+34y=4820

    71x-y=5183

    答案:x=73 y=43

    (94) 47x+98y=5861

    55x-y=4565

    答案:x=83 y=20

    (95) 30x-17y=239

    28x+y=1064

    答案:x=38 y=53

    (96) 55x-12y=4112

    79x-y=7268

    答案:x=92 y=79

    (97) 27x-24y=-450

    67x-y=3886

    答案:x=58 y=84

    (98) 97x+23y=8119

    14x+y=966

    答案:x=69 y=62

    (99) 84x+53y=11275

    70x+y=6790

    答案:x=97 y=59

    (100) 51x-97y=297

    19x-y=1520

    答案:x=80 y=39

    (1) 3X-(1/2+1/4)=7/12

    3X=7/12+3/4

    3X=4/3

    X=4/9

    (2) 6.6-5X=3/4-4X

    6.6-0.75=-4X+5X

    X=5.85

    (3) 1.1X+2.2=5.5-3.3X

    1.1X+3.3X=5.5-2.2

    4.4X=3.3

    X=3/4=4/3

    (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

    a^3-2b^3+ab(2a-b)

    =a^3+2a^2b-2b^3-ab^2

    =a^2(a+2b)-b^2(2b+a)

    =(a+2b)(a^2-b^2)

    =(a+2b)(a+b)(a-b)

    2.

    (x^2+y^2)^2-4y(x^2+y^2)+4y^2

    =(x^2+y^2-2y)^2

    3.

    (x^2+2x)^2+3(x^2+2x)+x^2+2x+3

    =(x^2+2x)^2+4(x^2+2x)+3

    =(x^2+2x+3)(x^2+2x+1)

    =(x^2+2x+3)(x+1)^2

    4.

    (a+1)(a+2)+(2a+1)(a-2)-12

    =a^2+3a+2+2a^2-3a-2-12

    =3a^2-12

    =3(a+2)(a-2)

    5.

    x^2(y+z)^2-2xy(x-z)(y+z)+y^2(x-z)^2

    =[x(y+z)-y(x-z)]^2

    =(xz+yz)^2

    =z^2(x+y)^2

    6.

    3(a+2)^2+28(a+2)-20

    =[3(a+2)-2][(a+2)+10]

    =(3a+4)(a+12)

    7.

    (a+b)^2-(b-c)^2+a^2-c^2

    =(a+b)^2-c^2+a^2-(b-c)^2

    =(a+b+c)(a+b-c)+(a+b-c)(a-b+c)

    =(a+b-c)(a+b+c+a-b+c)

    =2(a+b-c)(a+c)

    8.

    x(x+1)(x^2+x-1)-2

    =(x^2+x)(x^2+x-1)-2

    =(x^2+x)^2-(x^2+x)-2

    =(x^2+x-2)(x^2+x+1)

    =(x+2)(x-1)(x^2+x+1)