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  • 1 # 使用者2087709840951

    342 756=1098 得數千位上必為1,除和外兩個加數個位和百位上不能有0,共有96個算式: 246 789=1035,249 786=1035,264 789=1053,269 784=1053,284 769=1053 286 749=1035,289 746=1035,289 764=1053,324 765=1089,325 764=1089 342 756=1098,346 752=1098,347 859=1206,349 857=1206,352 746=1098 356 742=1098,357 849=1206,359 847=1206,364 725=1089,365 724=1089 423 675=1098,425 673=1098,426 879=1305,429 876=1305,432 657=1089 437 589=1026,437 652=1089,439 587=1026,452 637=1089,457 632=1089 473 589=1062,473 625=1098,475 623=1098,476 829=1305,479 583=1062 479 826=1305,483 579=1062,487 539=1026,489 537=1026,489 573=1062 537 489=1026,539 487=1026,573 489=1062,579 483=1062,583 479=1062 587 439=1026,589 437=1026,589 473=1062,623 475=1098,624 879=1503 625 473=1098,629 874=1503,632 457=1089,637 452=1089,652 437=1089 657 432=1089,673 425=1098,674 829=1503,675 423=1098,679 824=1503 724 365=1089,725 364=1089,742 356=1098,743 859=1602,746 289=1035 746 352=1098,749 286=1035,749 853=1602,752 346=1098,753 849=1602 756 342=1098,759 843=1602,764 289=1053,764 325=1089,765 324=1089 769 284=1053,784 269=1053,786 249=1035,789 246=1035,789 264=1053 824 679=1503,826 479=1305,829 476=1305,829 674=1503,843 759=1602 847 359=1206,849 357=1206,849 753=1602,853 749=1602,857 349=1206 859 347=1206,859 743=1602,874 629=1503,876 429=1305,879 426=1305 879 624=1503

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