1000未満の3桁+2桁の足し算
431 + 57 = 631 + 78 = 146 + 33 = 432 + 44 = 194 + 15 = 199 + 47 = 132 + 65 = 554 + 80 = 377 + 50 = 258 + 73 = 510 + 43 = 195 + 54 = 309 + 71 = 920 + 53 = 362 + 16 = 564 + 99 = 628 + 58 = 868 + 22 = 391 + 43 = 287 + 87 = 961 + 25 = 373 + 51 = 583 + 63 = 844 + 38 = 367 + 66 = 541 + 18 = 146 + 49 = 362 + 41 = 483 + 80 = 432 + 65 = 440 + 69 = 328 + 83 = 650 + 30 = 687 + 56 = 398 + 97 = 358 + 59 = 360 + 26 = 127 + 39 = 431 + 63 = 297 + 64 = 337 + 31 = 274 + 97 = 428 + 99 = 262 + 28 = 493 + 86 = 404 + 15 = 627 + 66 = 521 + 53 = 527 + 45 = 457 + 26 =
時間: 分 秒 26/400 Copyright © Alpha.Inc All Rights Reserved.
【算願】http://www.sangan.jp/