1000未満の3桁+2桁の足し算
709 + 77 = 416 + 42 = 166 + 52 = 875 + 16 = 116 + 66 = 577 + 92 = 161 + 43 = 940 + 49 = 631 + 58 = 88 + 36 = 81 + 24 = 948 + 23 = 268 + 84 = 162 + 70 = 368 + 29 = 499 + 76 = 427 + 91 = 351 + 84 = 156 + 14 = 536 + 79 = 568 + 13 = 893 + 87 = 666 + 36 = 450 + 41 = 430 + 77 = 281 + 55 = 610 + 28 = 690 + 45 = 659 + 59 = 891 + 15 = 433 + 37 = 895 + 14 = 306 + 56 = 164 + 95 = 263 + 91 = 220 + 38 = 163 + 92 = 474 + 90 = 899 + 63 = 563 + 36 = 833 + 82 = 82 + 73 = 490 + 12 = 745 + 49 = 565 + 99 = 394 + 72 = 224 + 29 = 190 + 74 = 453 + 45 = 905 + 86 =
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