4.递等式计算.
0 159351 159359 159365 159369 159375 159377 159381 159387 159389 159395 159401 159405 159407 159411 159417 159419 159425 159429 159431 159435 159437 159441 159443 159445 159446 159447 159449 159450 159451 159453 159455 159459 159461 159465 159467 159471 159477 159479 159485 159489 159491 159495 159501 159507 159509 159515 159519 159521 159527 159531 159537 159545 199269
920÷9 | 712×37×56 | 811×1532×115 |
59÷15×35 | 40×38÷56 | 47×2110×25 |