1000未満の3桁+2桁の足し算
758 + 45 = 497 + 15 = 951 + 29 = 354 + 24 = 282 + 66 = 121 + 46 = 225 + 12 = 551 + 18 = 381 + 47 = 278 + 15 = 328 + 43 = 450 + 57 = 781 + 26 = 654 + 39 = 349 + 28 = 528 + 70 = 667 + 36 = 516 + 59 = 188 + 38 = 555 + 68 = 645 + 48 = 309 + 91 = 379 + 88 = 560 + 97 = 819 + 77 = 453 + 86 = 632 + 64 = 387 + 22 = 476 + 62 = 369 + 64 = 341 + 35 = 480 + 51 = 611 + 79 = 316 + 70 = 361 + 36 = 295 + 81 = 390 + 63 = 845 + 77 = 315 + 86 = 162 + 81 = 202 + 74 = 747 + 52 = 357 + 15 = 336 + 77 = 304 + 86 = 671 + 39 = 410 + 43 = 486 + 22 = 416 + 28 = 299 + 22 =
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