1000未満の3桁+2桁の足し算
181 + 54 = 570 + 20 = 493 + 67 = 410 + 27 = 887 + 89 = 106 + 53 = 488 + 30 = 207 + 65 = 926 + 50 = 905 + 94 = 222 + 40 = 903 + 26 = 315 + 11 = 687 + 56 = 666 + 53 = 592 + 38 = 699 + 63 = 476 + 43 = 136 + 61 = 535 + 17 = 323 + 50 = 919 + 22 = 581 + 60 = 123 + 60 = 541 + 17 = 686 + 28 = 564 + 41 = 429 + 65 = 181 + 19 = 515 + 78 = 597 + 40 = 356 + 40 = 456 + 40 = 572 + 99 = 309 + 47 = 387 + 20 = 913 + 64 = 693 + 64 = 873 + 88 = 364 + 89 = 946 + 19 = 647 + 18 = 448 + 13 = 639 + 77 = 554 + 75 = 828 + 93 = 155 + 19 = 953 + 18 = 351 + 83 = 443 + 12 =
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