1000未満の3桁+2桁の足し算
347 + 49 = 230 + 95 = 162 + 15 = 457 + 45 = 200 + 75 = 432 + 80 = 638 + 83 = 561 + 73 = 501 + 93 = 472 + 15 = 204 + 47 = 140 + 74 = 363 + 34 = 674 + 74 = 302 + 78 = 590 + 48 = 250 + 49 = 186 + 59 = 406 + 13 = 942 + 41 = 419 + 85 = 521 + 17 = 371 + 34 = 697 + 69 = 439 + 36 = 444 + 67 = 605 + 40 = 370 + 91 = 473 + 81 = 329 + 39 = 138 + 12 = 186 + 53 = 219 + 15 = 435 + 26 = 275 + 48 = 886 + 51 = 646 + 23 = 545 + 65 = 603 + 15 = 523 + 55 = 929 + 56 = 608 + 54 = 240 + 52 = 310 + 54 = 678 + 68 = 584 + 85 = 158 + 56 = 132 + 55 = 518 + 65 = 368 + 96 =
時間: 分 秒 84/400 Copyright © Alpha.Inc All Rights Reserved.
【算願】http://www.sangan.jp/