問題描述:
求全解.
解析:
很多呀,所有整數結果的有60431個,非負整數有34148個列壹部分吧:
1+234567=234568,1*234567=234567,12+34567=34579,12*34567=414804
123+4567=4690,123*4567=561741,1234+567=1801,1234-567=667
1234*567=699678,12345+67=12412,12345-67=12278,12345*67=827115
123456+7=123463,123456-7=123449,123456*7=864192,1+2+34567=34570
1+2*34567=69135,(1+2)*34567=103701,1-2+34567=34566,1*2+34567=34569
1*(2+34567)=34569,1*2*34567=69134,1+23+4567=4591,1+23*4567=105042
(1+23)*4567=109608,1-23+4567=4545,1*23+4567=4590,1*(23+4567)=4590
1*23*4567=105041,1+234+567=802,1+234*567=132679,(1+234)*567=133245
1-234+567=334,1*234+567=801,1*(234+567)=801,1*234*567=132678
1+2345+67=2413,1+2345-67=2279,1+2345*67=157116,(1+2345)*67=157182
1+2345/67=36,1*2345+67=2412,1*(2345+67)=2412,1*2345-67=2278
1*(2345-67)=2278,1*2345*67=157115,1*2345/67=35,1+23456+7=23464
1+23456-7=23450,1+23456*7=164193,(1+23456)*7=164199,(1+23456)/7=3351
1*23456+7=23463,1*(23456+7)=23463,1*23456-7=23449,1*(23456-7)=23449
1*23456*7=164192,12+3+4567=4582,12+3*4567=13713,(12+3)*4567=68505
12-3+4567=4576,(12-3)*4567=41103,12*3+4567=4603,12*(3+4567)=54840
12*3*4567=164412,12/3+4567=4571,12/3*4567=18268,12+34+567=613
12+34*567=19290,(12+34)*567=26082,12-34+567=545,12*34+567=975
12*(34+567)=7212,12*34*567=231336,12+345+67=424,12+345-67=290
12+345*67=23127,(12+345)*67=23919,12*345+67=4207,12*(345+67)=4944
12*345-67=4073,12*(345-67)=3336,12*345*67=277380,12+3456+7=3475
12+3456-7=3461,12+3456*7=24204,(12+3456)*7=24276,12*3456+7=41479
12*(3456+7)=41556,12*3456-7=41465,12*(3456-7)=41388,12*3456*7=290304
123+4+567=694,123+4*567=2391,(123+4)*567=72009,123-4+567=686
(123-4)*567=67473,123*4+567=1059,123*(4+567)=70233,123*4*567=278964
123+45+67=235,123+45-67=101,123+45*67=3138,(123+45)*67=11256
123-45+67=145,123-45-67=11,(123-45)*67=5226,123*45+67=5602
123*(45+67)=13776,123*45-67=5468,123*45*67=370845,123+456+7=586
123+456-7=572,123+456*7=3315,(123+456)*7=4053,123*456+7=56095
123*(456+7)=56949,123*456-7=56081,123*(456-7)=55227,123*456*7=392616
1234+5+67=1306,1234+5-67=1172,1234+5*67=1569,(1234+5)*67=83013
1234-5+67=1296,1234-5-67=1162,1234-5*67=899,(1234-5)*67=82343
1234*5+67=6237,1234*(5+67)=88848,1234*5-67=6103,1234*5*67=413390
1234+56+7=1297,1234+56-7=1283,1234+56*7=1626,(1234+56)*7=9030
1234+56/7=1242,1234-56+7=1185,1234-56-7=1171,1234-56*7=842
(1234-56)*7=8246,1234-56/7=1226,1234*56+7=69111,1234*(56+7)=77742
1234*56-7=69097,1234*(56-7)=60466,1234*56*7=483728,1234*56/7=9872
12345+6+7=12358,12345+6-7=12344,12345+6*7=12387,(12345+6)*7=86457
12345-6+7=12346,12345-6-7=12332,12345-6*7=12303,(12345-6)*7=86373
12345*6+7=74077,12345*(6+7)=160485,12345*6-7=74063,12345*6*7=518490
1+2+3+4567=4573,1+2+3*4567=13704,(1+2+3)*4567=27402,1+(2+3)*4567=22836
1+2-3+4567=4567,(1+2-3)*4567=0,(1+2-3)/4567=0,1+2*3+4567=4574
(1+2)*3+4567=4576,1+2*(3+4567)=9141,(1+2)*(3+4567)=13710,1+2*3*4567=27403
(1+2)*3*4567=41103,(1+2*3)*4567=31969,(1+2)/3+4567=4568,(1+2)/3*4567=4567
1-2+3+4567=4569,1-2+3*4567=13700,(1-2+3)*4567=9134,1-2-3+4567=4563
1-(2-3)*4567=4568,1-2*3+4567=4562,(1-2)*3+4567=4564,1-2*(3-4567)=9129
(1-2)*(3-4567)=4564,1*2+3+4567=4572,1*(2+3)+4567=4572,1*(2+3+4567)=4572
1*2+3*4567=13703,(1*2+3)*4567=22835,1*(2+3)*4567=22835,1*(2+3*4567)=13703
1*2-3+4567=4566,1*(2-3)+4567=4566,1*(2-3+4567)=4566,1*2*3+4567=4573
1*(2*3+4567)=4573,1*2*(3+4567)=9140,1*2*3*4567=27402,1/(2-3)+4567=4566
1/2*(3+4567)=2285,1+2+34+567=604,1+2+34*567=19281,(1+2+34)*567=20979
1+(2+34)*567=20413,1+2-34+567=536,1+2*34+567=636,(1+2)*34+567=669
1+2*(34+567)=1203,(1+2)*(34+567)=1803,1+2*34*567=38557,(1+2)*34*567=57834
(1+2*34)*567=39123,1-2+34+567=600,1-2+34*567=19277,(1-2+34)*567=18711
1-2-34+567=532,1-(2-34)*567=18145,1-2*34+567=500,(1-2)*34+567=533
1-2*(34-567)=1067,(1-2)*(34-567)=533,1*2+34+567=603,1*(2+34)+567=603
1*(2+34+567)=603,1*2+34*567=19280,(1*2+34)*567=20412,1*(2+34)*567=20412
1*(2+34*567)=19280,1*2-34+567=535,1*(2-34)+567=535,1*(2-34+567)=535
1*2*34+567=635,1*(2*34+567)=635,1*2*(34+567)=1202,1*2*34*567=38556
1/2*34+567=584,1/2*34*567=9639,1+2+345+67=415,1+2+345-67=281
1+2+345*67=23118,(1+2+345)*67=23316,1+(2+345)*67=23250,1+2*345+67=758
(1+2)*345+67=1102,1+2*(345+67)=825,(1+2)*(345+67)=1236,1+2*345-67=624
(1+2)*345-67=968,1+2*(345-67)=557,(1+2)*(345-67)=834,1+2*345*67=46231
(1+2)*345*67=69345,(1+2*345)*67=46297,1-2+345+67=411,1-2+345-67=277
1-2+345*67=23114,(1-2+345)*67=23048,1-(2-345)*67=22982,1*2+345+67=414
1*(2+345)+67=414,1*(2+345+67)=414,1*2+345-67=280,1*(2+345)-67=280
1*(2+345-67)=280,1*2+345*67=23117,(1*2+345)*67=23249,1*(2+345)*67=23249
1*(2+345*67)=23117,1*2*345+67=757,1*(2*345+67)=757,1*2*(345+67)=824
1*2*345-67=623,1*(2*345-67)=623,1*2*(345-67)=556,1*2*345*67=46230
1/2*(345+67)=206,1/2*(345-67)=139,1+2+3456+7=3466,1+2+3456-7=3452
1+2+3456*7=24195,(1+2+3456)*7=24213,1+(2+3456)*7=24207,1+(2+3456)/7=495