1000未満の3桁+2桁の足し算
218 + 44 = 351 + 17 = 637 + 44 = 558 + 98 = 519 + 74 = 224 + 81 = 210 + 61 = 595 + 83 = 141 + 49 = 408 + 64 = 214 + 96 = 453 + 51 = 142 + 49 = 196 + 36 = 802 + 17 = 282 + 23 = 393 + 20 = 621 + 66 = 463 + 31 = 436 + 28 = 385 + 99 = 497 + 51 = 306 + 69 = 883 + 16 = 114 + 61 = 888 + 17 = 464 + 78 = 243 + 47 = 734 + 53 = 352 + 26 = 409 + 17 = 410 + 98 = 709 + 26 = 545 + 93 = 887 + 95 = 650 + 69 = 102 + 89 = 96 + 54 = 931 + 59 = 155 + 54 = 527 + 19 = 860 + 39 = 418 + 86 = 693 + 65 = 141 + 88 = 337 + 75 = 279 + 32 = 187 + 53 = 388 + 36 = 480 + 78 =
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