1000未満の3桁+2桁の足し算
287 + 51 = 601 + 17 = 342 + 31 = 609 + 80 = 628 + 83 = 649 + 45 = 174 + 34 = 211 + 83 = 87 + 17 = 375 + 95 = 907 + 51 = 376 + 72 = 690 + 76 = 787 + 22 = 668 + 84 = 172 + 75 = 114 + 86 = 335 + 78 = 258 + 26 = 277 + 48 = 428 + 18 = 399 + 22 = 132 + 69 = 516 + 21 = 165 + 14 = 395 + 28 = 256 + 56 = 411 + 22 = 80 + 25 = 127 + 23 = 651 + 89 = 495 + 67 = 573 + 95 = 657 + 64 = 719 + 12 = 483 + 22 = 232 + 41 = 334 + 58 = 293 + 62 = 532 + 38 = 379 + 20 = 886 + 43 = 507 + 32 = 237 + 70 = 874 + 11 = 576 + 39 = 684 + 72 = 153 + 13 = 396 + 30 = 106 + 17 =
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