1000未満の3桁+2桁の足し算
246 + 75 = 505 + 75 = 284 + 63 = 346 + 47 = 796 + 33 = 331 + 61 = 473 + 27 = 475 + 26 = 465 + 45 = 159 + 65 = 467 + 78 = 429 + 49 = 591 + 47 = 200 + 12 = 191 + 18 = 148 + 41 = 382 + 26 = 472 + 47 = 714 + 74 = 946 + 49 = 448 + 67 = 634 + 77 = 586 + 19 = 723 + 13 = 157 + 27 = 289 + 56 = 604 + 40 = 470 + 42 = 401 + 62 = 254 + 78 = 714 + 91 = 273 + 99 = 646 + 34 = 193 + 11 = 172 + 39 = 681 + 52 = 618 + 42 = 389 + 21 = 135 + 80 = 127 + 26 = 387 + 71 = 234 + 33 = 445 + 42 = 223 + 83 = 378 + 88 = 651 + 44 = 424 + 46 = 325 + 63 = 328 + 64 = 117 + 98 =
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