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三位数加三位数的加法
175 + 157 = 645 + 239 = 808 + 213 =
256 + 775 = 607 + 914 = 352 + 708 =
766 + 792 = 970 + 602 = 343 + 801 =
916 + 861 = 806 + 487 = 691 + 400 = 106 + 537 = 353 + 939 = 328 + 114 =
356 + 319 = 34 + 199 = 844+932= 199+398= 801+60= 814+551= 75+505= 481+21=
665+300= 729+808= 306+812= 28+911= 263+206= 644+64=
537+385= 310+534= 861+146= 558+321= 502+957= 857+423=
459+86= 473+577= 733+530= 139+312= 323+291= 387+833=
964+103= 686+936= 921+231= 302+355= 195+676= 968+825=
519+171= 216+612= 160+248= 515+449= 118+377= 865+868=
797+338= 716+316= 983+327= 825+332= 548+430= 783+460=
898+584= 830+54= 979+605= 897+727= 750+253= 659+567=
577+545= 641+353= 940+456= 979+488= 680+502= 637+631=
911+75= 876+648= 599+481= 834+776= 569+366= 975+883=
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