Number of exercises: 121 Number of subscribers: 1
Question | Answer |
---|---|
20 x 20 | 400 |
20 x 21 | 420 |
20 x 22 | 440 |
20 x 23 | 460 |
20 x 24 | 480 |
20 x 25 | 500 |
20 x 26 | 520 |
20 x 27 | 540 |
20 x 28 | 560 |
20 x 29 | 580 |
20 x 30 | 600 |
21 x 20 | 420 |
21 x 21 | 441 |
21 x 22 | 462 |
21 x 23 | 483 |
21 x 24 | 504 |
21 x 25 | 525 |
21 x 26 | 546 |
21 x 27 | 567 |
21 x 28 | 588 |
21 x 29 | 609 |
21 x 30 | 630 |
22 x 20 | 440 |
22 x 21 | 462 |
22 x 22 | 484 |
22 x 23 | 506 |
22 x 24 | 528 |
22 x 25 | 550 |
22 x 26 | 572 |
22 x 27 | 594 |
22 x 28 | 616 |
22 x 29 | 638 |
22 x 30 | 660 |
23 x 20 | 460 |
23 x 21 | 483 |
23 x 22 | 506 |
23 x 23 | 529 |
23 x 24 | 552 |
23 x 25 | 575 |
23 x 26 | 598 |
23 x 27 | 621 |
23 x 28 | 644 |
23 x 29 | 667 |
23 x 30 | 690 |
24 x 20 | 480 |
24 x 21 | 504 |
24 x 22 | 528 |
24 x 23 | 552 |
24 x 24 | 576 |
24 x 25 | 600 |
24 x 26 | 624 |
24 x 27 | 648 |
24 x 28 | 672 |
24 x 29 | 696 |
24 x 30 | 720 |
25 x 20 | 500 |
25 x 21 | 525 |
25 x 22 | 550 |
25 x 23 | 575 |
25 x 24 | 600 |
25 x 25 | 625 |
25 x 26 | 650 |
25 x 27 | 675 |
25 x 28 | 700 |
25 x 29 | 725 |
25 x 30 | 750 |
26 x 20 | 520 |
26 x 21 | 546 |
26 x 22 | 572 |
26 x 23 | 598 |
26 x 24 | 624 |
26 x 25 | 650 |
26 x 26 | 676 |
26 x 27 | 702 |
26 x 28 | 728 |
26 x 29 | 754 |
26 x 30 | 780 |
27 x 20 | 540 |
27 x 21 | 567 |
27 x 22 | 594 |
27 x 23 | 621 |
27 x 24 | 648 |
27 x 25 | 675 |
27 x 26 | 702 |
27 x 27 | 729 |
27 x 28 | 756 |
27 x 29 | 783 |
27 x 30 | 810 |
28 x 20 | 560 |
28 x 21 | 588 |
28 x 22 | 616 |
28 x 23 | 644 |
28 x 24 | 672 |
28 x 25 | 700 |
28 x 26 | 728 |
28 x 27 | 756 |
28 x 28 | 784 |
28 x 29 | 812 |
28 x 30 | 840 |
29 x 20 | 580 |
29 x 21 | 609 |
29 x 22 | 638 |
29 x 23 | 667 |
29 x 24 | 696 |
29 x 25 | 725 |
29 x 26 | 754 |
29 x 27 | 783 |
29 x 28 | 812 |
29 x 29 | 841 |
29 x 30 | 870 |
30 x 20 | 600 |
30 x 21 | 630 |
30 x 22 | 660 |
30 x 23 | 690 |
30 x 24 | 720 |
30 x 25 | 750 |
30 x 26 | 780 |
30 x 27 | 810 |
30 x 28 | 840 |
30 x 29 | 870 |
30 x 30 | 900 |