1000未満の3桁+2桁の足し算
462 + 73 = 131 + 77 = 472 + 12 = 528 + 27 = 628 + 81 = 964 + 25 = 681 + 73 = 663 + 69 = 252 + 38 = 253 + 23 = 823 + 37 = 683 + 16 = 480 + 74 = 217 + 16 = 388 + 89 = 128 + 74 = 491 + 27 = 667 + 52 = 574 + 17 = 486 + 23 = 632 + 34 = 403 + 92 = 179 + 94 = 271 + 50 = 231 + 41 = 370 + 81 = 235 + 41 = 633 + 40 = 160 + 52 = 587 + 72 = 596 + 85 = 196 + 62 = 233 + 74 = 722 + 71 = 787 + 93 = 240 + 57 = 664 + 50 = 363 + 22 = 540 + 68 = 560 + 58 = 683 + 26 = 635 + 70 = 527 + 28 = 224 + 20 = 545 + 37 = 599 + 63 = 474 + 51 = 263 + 77 = 612 + 30 = 465 + 90 =
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