1000未満の3桁+2桁の足し算
697 + 13 = 493 + 28 = 405 + 50 = 283 + 17 = 222 + 46 = 586 + 89 = 847 + 76 = 631 + 38 = 751 + 71 = 315 + 87 = 666 + 85 = 146 + 27 = 311 + 84 = 186 + 74 = 177 + 12 = 522 + 96 = 129 + 54 = 147 + 28 = 487 + 21 = 309 + 69 = 523 + 54 = 445 + 74 = 233 + 28 = 572 + 39 = 512 + 60 = 418 + 45 = 182 + 49 = 364 + 75 = 545 + 29 = 460 + 84 = 449 + 51 = 595 + 19 = 469 + 83 = 401 + 97 = 862 + 76 = 461 + 46 = 210 + 72 = 478 + 90 = 387 + 14 = 810 + 14 = 300 + 75 = 385 + 60 = 735 + 41 = 329 + 78 = 439 + 22 = 153 + 53 = 515 + 72 = 336 + 61 = 339 + 37 = 535 + 23 =
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