1000未満の3桁+2桁の足し算
507 + 30 = 325 + 98 = 755 + 99 = 563 + 99 = 284 + 91 = 461 + 48 = 381 + 85 = 969 + 13 = 352 + 51 = 596 + 84 = 173 + 37 = 648 + 27 = 659 + 91 = 359 + 65 = 398 + 69 = 116 + 73 = 529 + 32 = 326 + 64 = 654 + 63 = 319 + 94 = 204 + 68 = 679 + 26 = 433 + 66 = 351 + 24 = 470 + 63 = 329 + 63 = 232 + 74 = 440 + 92 = 660 + 86 = 478 + 75 = 204 + 71 = 635 + 46 = 696 + 98 = 549 + 56 = 401 + 62 = 210 + 84 = 685 + 17 = 527 + 92 = 154 + 66 = 670 + 77 = 155 + 62 = 172 + 38 = 675 + 65 = 186 + 69 = 624 + 83 = 872 + 28 = 431 + 42 = 867 + 65 = 180 + 86 = 858 + 69 =
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