This puzzle is as easy as pie. (What does that mean anyway?) PI + DAY = PIE
Solutions are below the image.
SPOILER SOLUTIONS!
| PI_first | DAY_second | PIE_third |
|---|---|---|
| 31 | 279 | 310 |
| 31 | 284 | 315 |
| 31 | 285 | 316 |
| 31 | 286 | 317 |
| 41 | 369 | 410 |
| 41 | 375 | 416 |
| 41 | 378 | 419 |
| 42 | 378 | 420 |
| 42 | 379 | 421 |
| 42 | 385 | 427 |
| 42 | 387 | 429 |
| 51 | 462 | 513 |
| 51 | 467 | 518 |
| 51 | 468 | 519 |
| 52 | 468 | 520 |
| 52 | 469 | 521 |
| 52 | 471 | 523 |
| 52 | 476 | 528 |
| 53 | 478 | 531 |
| 53 | 479 | 532 |
| 53 | 486 | 539 |
| 61 | 549 | 610 |
| 63 | 571 | 634 |
| 64 | 578 | 642 |
| 64 | 579 | 643 |
| 64 | 583 | 647 |
| 71 | 639 | 710 |
| 71 | 642 | 713 |
| 71 | 648 | 719 |
| 72 | 648 | 720 |
| 72 | 649 | 721 |
| 72 | 651 | 723 |
| 73 | 658 | 731 |
| 73 | 659 | 732 |
| 75 | 684 | 759 |
| 81 | 729 | 810 |
| 81 | 734 | 815 |
| 81 | 735 | 816 |
| 82 | 739 | 821 |
| 82 | 741 | 823 |
| 82 | 743 | 825 |
| 83 | 749 | 832 |
| 83 | 751 | 834 |
| 83 | 756 | 839 |
| 84 | 756 | 840 |
| 84 | 759 | 843 |
| 84 | 761 | 845 |
| 84 | 765 | 849 |
| 85 | 769 | 854 |
| 91 | 823 | 914 |
| 91 | 824 | 915 |
| 91 | 825 | 916 |
| 91 | 826 | 917 |
| 92 | 834 | 926 |
| 92 | 835 | 927 |
| 93 | 842 | 935 |
| 94 | 852 | 946 |
| 94 | 853 | 947 |
| 95 | 862 | 957 |