1000未満の3桁+2桁の足し算
459 + 30 = 552 + 69 = 406 + 45 = 669 + 29 = 315 + 69 = 795 + 91 = 192 + 74 = 518 + 87 = 675 + 45 = 253 + 71 = 186 + 45 = 397 + 91 = 743 + 37 = 590 + 57 = 682 + 97 = 527 + 79 = 501 + 89 = 661 + 80 = 309 + 76 = 510 + 76 = 365 + 78 = 768 + 85 = 116 + 91 = 436 + 55 = 283 + 38 = 380 + 98 = 469 + 68 = 702 + 96 = 515 + 47 = 345 + 32 = 331 + 45 = 676 + 66 = 124 + 72 = 654 + 99 = 90 + 11 = 239 + 36 = 597 + 22 = 333 + 74 = 196 + 79 = 334 + 49 = 205 + 62 = 438 + 78 = 515 + 43 = 555 + 34 = 360 + 35 = 172 + 58 = 719 + 99 = 875 + 13 = 595 + 95 = 647 + 50 =
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