1000未満の3桁+2桁の足し算
848 + 98 = 852 + 15 = 368 + 89 = 827 + 52 = 174 + 26 = 580 + 57 = 329 + 92 = 143 + 52 = 583 + 17 = 482 + 73 = 526 + 87 = 198 + 55 = 148 + 59 = 251 + 63 = 369 + 28 = 169 + 30 = 600 + 46 = 255 + 29 = 642 + 75 = 258 + 30 = 383 + 86 = 620 + 77 = 366 + 39 = 284 + 38 = 406 + 91 = 696 + 93 = 698 + 86 = 614 + 37 = 916 + 50 = 469 + 59 = 501 + 64 = 587 + 69 = 721 + 70 = 384 + 39 = 487 + 27 = 440 + 41 = 629 + 27 = 331 + 35 = 183 + 32 = 452 + 35 = 545 + 49 = 746 + 12 = 122 + 88 = 261 + 20 = 279 + 30 = 509 + 58 = 256 + 56 = 732 + 76 = 744 + 45 = 639 + 21 =
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