570*X+390*Y=19102要求X,Y是不超过2位小数点的数字,整数也可以不过肯定算不出来.无论是整2位小数还是保留到2位小数都可以.但是结果算出来必须是19102,不是四舍五入,而是得出的数字就是19102另

Question

570*X+390*Y=19102
要求X,Y是不超过2位小数点的数字,整数也可以不过肯定算不出来.无论是整2位小数还是保留到2位小数都可以.但是结果算出来必须是19102,不是四舍五入,而是得出的数字就是19102另外XY,是我产品的重量,请相差不能太大,0到10以内的都不太现实.

Answer 1

借助EXCEL,可以很容易得出X和Y的对应值,下列数据是期中的一部分,由于解答有字数的限制,不能全部发上来,但可以告诉你,X和Y中至少有一个＞10的情形中不存在恰好是两位或小于两位小数的对应值.（下列的X是精确值,Y是由对应的X得出的近似值）
x=10.01,y=34.349
x=10.02,y=34.335
x=10.03,y=34.320
x=10.04,y=34.306
x=10.05,y=34.291
x=10.06,y=34.276
x=10.07,y=34.262
x=10.08,y=34.247
x=10.09,y=34.233
x=10.1,y=34.218
x=10.11,y=34.203
x=10.12,y=34.189
x=10.13,y=34.174
x=10.14,y=34.159
x=10.15,y=34.145
x=10.16,y=34.130
x=10.17,y=34.116
x=10.18,y=34.101
x=10.19,y=34.086
x=10.2,y=34.072
x=10.21,y=34.057
x=10.22,y=34.043
x=10.23,y=34.028
x=10.24,y=34.013
x=10.25,y=33.999
x=10.26,y=33.984
x=10.27,y=33.969
x=10.28,y=33.955
x=10.29,y=33.940
x=10.3,y=33.926
x=10.31,y=33.911
x=10.32,y=33.896
x=10.33,y=33.882
x=10.34,y=33.867
x=10.35,y=33.853
x=10.36,y=33.838
x=10.37,y=33.823
x=10.38,y=33.809
x=10.39,y=33.794
x=10.4,y=33.779
x=10.41,y=33.765
x=10.42,y=33.750
x=10.43,y=33.736
x=10.44,y=33.721
x=10.45,y=33.706
x=10.46,y=33.692
x=10.47,y=33.677
x=10.48,y=33.663
x=10.49,y=33.648
x=10.5,y=33.633
x=10.51,y=33.619
x=10.52,y=33.604
x=10.53,y=33.589
x=10.54,y=33.575
x=10.55,y=33.560
x=10.56,y=33.546
x=10.57,y=33.531
x=10.58,y=33.516
x=10.59,y=33.502
x=10.6,y=33.487
x=10.61,y=33.473
x=10.62,y=33.458
x=10.63,y=33.443
x=10.64,y=33.429
x=10.65,y=33.414
x=10.66,y=33.399
x=10.67,y=33.385
x=10.68,y=33.370
x=10.69,y=33.356
x=10.7,y=33.341
x=10.71,y=33.326
x=10.72,y=33.312
x=10.73,y=33.297
x=10.74,y=33.283
x=10.75,y=33.268
x=10.76,y=33.253
x=10.77,y=33.239
x=10.78,y=33.224
x=10.79,y=33.209
x=10.8,y=33.195
x=10.81,y=33.180
x=10.82,y=33.166
x=10.83,y=33.151
x=10.84,y=33.136
x=10.85,y=33.122
x=10.86,y=33.107
x=10.87,y=33.093
x=10.88,y=33.078
x=10.89,y=33.063
x=10.9,y=33.049
x=10.91,y=33.034
x=10.92,y=33.019
x=10.93,y=33.005
x=10.94,y=32.990
x=10.95,y=32.976
x=10.96,y=32.961
x=10.97,y=32.946
x=10.98,y=32.932
x=10.99,y=32.917
x=11,y=32.903
x=11.01,y=32.888
x=11.02,y=32.873
x=11.03,y=32.859
x=11.04,y=32.844
x=11.05,y=32.829
x=11.06,y=32.815
x=11.07,y=32.800
x=11.08,y=32.786
x=11.09,y=32.771
x=11.1,y=32.756
x=11.11,y=32.742
x=11.12,y=32.727
x=11.13,y=32.713
x=11.14,y=32.698
x=11.15,y=32.683
x=11.16,y=32.669
x=11.17,y=32.654
x=11.18,y=32.639
x=11.19,y=32.625
x=11.2,y=32.610
x=11.21,y=32.596
x=11.22,y=32.581
x=11.23,y=32.566
x=11.24,y=32.552
x=11.25,y=32.537
x=11.26,y=32.523
x=11.27,y=32.508
x=11.28,y=32.493
x=11.29,y=32.479
x=11.3,y=32.464
x=11.31,y=32.449
x=11.32,y=32.435
x=11.33,y=32.420
x=11.34,y=32.406
x=11.35,y=32.391
x=11.36,y=32.376
x=11.37,y=32.362
x=11.38,y=32.347
x=11.39,y=32.333
x=11.4,y=32.318
x=11.41,y=32.303
x=11.42,y=32.289
x=11.43,y=32.274
x=11.44,y=32.259
x=11.45,y=32.245
x=11.46,y=32.230
x=11.47,y=32.216
x=11.48,y=32.201
x=11.49,y=32.186
x=11.5,y=32.172
x=11.51,y=32.157
x=11.52,y=32.143
x=11.53,y=32.128
x=11.54,y=32.113
x=11.55,y=32.099
x=11.56,y=32.084
x=11.57,y=32.069
x=11.58,y=32.055
x=11.59,y=32.040
x=11.6,y=32.026
x=11.61,y=32.011
x=11.62,y=31.996
x=11.63,y=31.982
x=11.64,y=31.967
x=11.65,y=31.953
x=11.66,y=31.938
x=11.67,y=31.923
x=11.68,y=31.909
x=11.69,y=31.894
x=11.7,y=31.879
x=11.71,y=31.865
x=11.72,y=31.850
x=11.73,y=31.836
x=11.74,y=31.821
x=11.75,y=31.806
x=11.76,y=31.792
x=11.77,y=31.777
x=11.78,y=31.763
x=11.79,y=31.748
x=11.8,y=31.733
x=11.81,y=31.719
x=11.82,y=31.704
x=11.83,y=31.689
x=11.84,y=31.675
x=11.85,y=31.660
x=11.86,y=31.646
x=11.87,y=31.631
x=11.88,y=31.616
x=11.89,y=31.602
x=11.9,y=31.587
x=11.91,y=31.573
x=11.92,y=31.558
x=11.93,y=31.543
x=11.94,y=31.529
x=11.95,y=31.514
x=11.96,y=31.499
x=11.97,y=31.485
x=11.98,y=31.470
x=11.99,y=31.456
x=12,y=31.441
x=12.01,y=31.426
x=12.02,y=31.412
x=12.03,y=31.397
x=12.04,y=31.383
x=12.05,y=31.368
x=12.06,y=31.353
x=12.07,y=31.339
x=12.08,y=31.324
x=12.09,y=31.309
x=12.1,y=31.295
x=12.11,y=31.280
x=12.12,y=31.266
x=12.13,y=31.251
x=12.14,y=31.236
x=12.15,y=31.222
x=12.16,y=31.207
x=12.17,y=31.193
x=12.18,y=31.178
x=12.19,y=31.163
x=12.2,y=31.149
x=12.21,y=31.134
x=12.22,y=31.119
x=12.23,y=31.105
x=12.24,y=31.090
x=12.25,y=31.076
x=12.26,y=31.061
x=12.27,y=31.046
x=12.28,y=31.032
x=12.29,y=31.017
x=12.3,y=31.003
x=12.31,y=30.988
x=12.32,y=30.973
x=12.33,y=30.959
x=12.34,y=30.944
x=12.35,y=30.929
x=12.36,y=30.915
x=12.37,y=30.900
x=12.38,y=30.886
x=12.39,y=30.871
x=12.4,y=30.856
x=12.41,y=30.842
x=12.42,y=30.827
x=12.43,y=30.813
x=12.44,y=30.798
x=12.45,y=30.783
x=12.46,y=30.769
x=12.47,y=30.754
x=12.48,y=30.739
x=12.49,y=30.725
x=12.5,y=30.710
x=12.51,y=30.696
x=12.52,y=30.681
x=12.53,y=30.666
x=12.54,y=30.652
x=12.55,y=30.637
x=12.56,y=30.623
x=12.57,y=30.608
x=12.58,y=30.593
x=12.59,y=30.579
x=12.6,y=30.564
x=12.61,y=30.549
x=12.62,y=30.535
x=12.63,y=30.520
x=12.64,y=30.506
x=12.65,y=30.491
x=12.66,y=30.476
x=12.67,y=30.462
x=12.68,y=30.447
x=12.69,y=30.433
x=12.7,y=30.418
x=12.71,y=30.403
x=12.72,y=30.389
x=12.73,y=30.374
x=12.74,y=30.359
x=12.75,y=30.345
x=12.76,y=30.330
x=12.77,y=30.316
x=12.78,y=30.301
x=12.79,y=30.286
x=12.8,y=30.272
x=12.81,y=30.257
x=12.82,y=30.243
x=12.83,y=30.228
x=12.84,y=30.213
x=12.85,y=30.199
x=12.86,y=30.184
x=12.87,y=30.169
x=12.88,y=30.155
x=12.89,y=30.140
x=12.9,y=30.126
x=12.91,y=30.111
x=12.92,y=30.096
x=12.93,y=30.082
x=12.94,y=30.067
x=12.95,y=30.053
x=12.96,y=30.038
x=12.97,y=30.023
x=12.98,y=30.009
x=12.99,y=29.994
x=13,y=29.979
x=13.01,y=29.965
x=13.02,y=29.950
x=13.03,y=29.936
x=13.04,y=29.921
x=13.05,y=29.906
x=13.06,y=29.892
x=13.07,y=29.877
x=13.08,y=29.863
x=13.09,y=29.848
x=13.1,y=29.833
x=13.11,y=29.819
x=13.12,y=29.804
x=13.13,y=29.789
x=13.14,y=29.775
x=13.15,y=29.760
x=13.16,y=29.746
x=13.17,y=29.731
x=13.18,y=29.716
x=13.19,y=29.702
x=13.2,y=29.687
x=13.21,y=29.673
x=13.22,y=29.658
x=13.23,y=29.643
x=13.24,y=29.629
x=13.25,y=29.614
x=13.26,y=29.599
x=13.27,y=29.585
x=13.28,y=29.570
x=13.29,y=29.556
x=13.3,y=29.541
x=13.31,y=29.526
x=13.32,y=29.512
x=13.33,y=29.497
x=13.34,y=29.483
x=13.35,y=29.468
x=13.36,y=29.453
x=13.37,y=29.439
x=13.38,y=29.424
x=13.39,y=29.409
x=13.4,y=29.395
x=13.41,y=29.380
x=13.42,y=29.366
x=13.43,y=29.351
x=13.44,y=29.336
x=13.45,y=29.322
x=13.46,y=29.307
x=13.47,y=29.293
x=13.48,y=29.278
x=13.49,y=29.263
x=13.5,y=29.249
x=13.51,y=29.234
x=13.52,y=29.219
x=13.53,y=29.205
x=13.54,y=29.190
x=13.55,y=29.176
x=13.56,y=29.161
x=13.57,y=29.146
x=13.58,y=29.132
x=13.59,y=29.117
x=13.6,y=29.103
x=13.61,y=29.088
x=13.62,y=29.073
x=13.63,y=29.059
x=13.64,y=29.044
x=13.65,y=29.029
x=13.66,y=29.015
x=13.67,y=29.000
x=13.68,y=28.986
x=13.69,y=28.971
x=13.7,y=28.956
x=13.71,y=28.942
x=13.72,y=28.927
x=13.73,y=28.913
x=13.74,y=28.898
x=13.75,y=28.883
x=13.76,y=28.869
x=13.77,y=28.854
x=13.78,y=28.839
x=13.79,y=28.825
x=13.8,y=28.810
x=13.81,y=28.796
x=13.82,y=28.781
x=13.83,y=28.766
x=13.84,y=28.752
x=13.85,y=28.737
x=13.86,y=28.723
x=13.87,y=28.708
x=13.88,y=28.693
x=13.89,y=28.679
x=13.9,y=28.664
x=13.91,y=28.649
x=13.92,y=28.635
x=13.93,y=28.620
x=13.94,y=28.606
x=13.95,y=28.591
x=13.96,y=28.576
x=13.97,y=28.562
x=13.98,y=28.547
x=13.99,y=28.533
x=14,y=28.518
x=14.01,y=28.503
x=14.02,y=28.489
x=14.03,y=28.474
x=14.04,y=28.459
x=14.05,y=28.445
x=14.06,y=28.430
x=14.07,y=28.416
x=14.08,y=28.401
x=14.09,y=28.386
x=14.1,y=28.372
x=14.11,y=28.357
x=14.12,y=28.343
x=14.13,y=28.328
x=14.14,y=28.313
x=14.15,y=28.299
x=14.16,y=28.284
x=14.17,y=28.269
x=14.18,y=28.255
x=14.19,y=28.240
x=14.2,y=28.226
x=14.21,y=28.211
x=14.22,y=28.196
x=14.23,y=28.182
x=14.24,y=28.167
x=14.25,y=28.153
x=14.26,y=28.138
x=14.27,y=28.123
x=14.28,y=28.109
x=14.29,y=28.094
x=14.3,y=28.079
x=14.31,y=28.065
x=14.32,y=28.050
x=14.33,y=28.036
x=14.34,y=28.021
x=14.35,y=28.006
x=14.36,y=27.992
x=14.37,y=27.977
x=14.38,y=27.963
x=14.39,y=27.948
x=14.4,y=27.933
x=14.41,y=27.919
x=14.42,y=27.904
x=14.43,y=27.889
x=14.44,y=27.875
x=14.45,y=27.860
x=14.46,y=27.846
x=14.47,y=27.831
x=14.48,y=27.816
x=14.49,y=27.802
x=14.5,y=27.787
x=14.51,y=27.773
x=14.52,y=27.758
x=14.53,y=27.743
x=14.54,y=27.729
x=14.55,y=27.714
x=14.56,y=27.699
x=14.57,y=27.685
x=14.58,y=27.670
x=14.59,y=27.656
x=14.6,y=27.641
x=14.61,y=27.626
x=14.62,y=27.612
x=14.63,y=27.597
x=14.64,y=27.583
x=14.65,y=27.568
x=14.66,y=27.553
x=14.67,y=27.539
x=14.68,y=27.524
x=14.69,y=27.509
x=14.7,y=27.495
x=14.71,y=27.480
x=14.72,y=27.466
x=14.73,y=27.451
x=14.74,y=27.436
x=14.75,y=27.422
x=14.76,y=27.407
x=14.77,y=27.393
x=14.78,y=27.378
x=14.79,y=27.363
x=14.8,y=27.349
x=14.81,y=27.334
x=14.82,y=27.319
x=14.83,y=27.305
.
江苏吴云超解答　供参考!