1000未満の3桁+2桁の足し算
145 + 27 = 558 + 31 = 870 + 18 = 343 + 55 = 850 + 14 = 593 + 38 = 185 + 51 = 375 + 29 = 663 + 58 = 355 + 46 = 345 + 68 = 858 + 44 = 369 + 65 = 928 + 69 = 323 + 13 = 318 + 62 = 518 + 55 = 372 + 69 = 581 + 30 = 440 + 57 = 267 + 63 = 296 + 27 = 420 + 29 = 500 + 76 = 331 + 49 = 131 + 46 = 172 + 82 = 404 + 61 = 449 + 97 = 531 + 28 = 282 + 39 = 161 + 87 = 197 + 18 = 714 + 82 = 646 + 99 = 655 + 12 = 188 + 80 = 444 + 86 = 178 + 64 = 399 + 23 = 511 + 81 = 415 + 61 = 420 + 74 = 143 + 58 = 586 + 27 = 890 + 25 = 618 + 57 = 424 + 82 = 147 + 98 = 583 + 15 =
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