1000未満の3桁+2桁の足し算
508 + 11 = 542 + 43 = 143 + 83 = 672 + 48 = 502 + 73 = 161 + 58 = 226 + 97 = 152 + 73 = 324 + 81 = 232 + 81 = 435 + 24 = 522 + 60 = 308 + 86 = 668 + 66 = 503 + 88 = 480 + 16 = 338 + 28 = 503 + 80 = 451 + 71 = 320 + 51 = 591 + 47 = 344 + 22 = 324 + 62 = 180 + 63 = 222 + 63 = 347 + 41 = 676 + 51 = 153 + 60 = 217 + 95 = 510 + 61 = 387 + 35 = 544 + 80 = 691 + 36 = 657 + 34 = 507 + 31 = 165 + 23 = 376 + 46 = 271 + 86 = 342 + 48 = 395 + 18 = 590 + 50 = 563 + 28 = 147 + 87 = 340 + 12 = 708 + 71 = 609 + 59 = 654 + 24 = 256 + 24 = 275 + 95 = 825 + 51 =
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