找100以内的素数。
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 |
| 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 |
| 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 |
| 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 |
| 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 |
| 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 |
| 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 |
找100以内的素数。 1 2 3 4 5 6 7 8
找一找，50以内的质数有哪些呢？ 1 2 3 4 5 6 7 8 9 10 11 12 13
1 2 3 4 5 6 7 8 9 10 11 12 13 14
1 2 3 4 5 6 7 8 9 10
例题1 找规律,涂颜色。-|||-1 2 3 4 5 6 7 8 9 10-|||-11 12 13 14 15 16 17 18 19 20例题1找规律，涂颜
填数-|||-0 1 2 3 4 5 6 7 8 9 10 11 12 13-|||-8 9 10 11 12 13 14 15 16 17 18 19 20
圈出8的倍数． 1 2 3 4 5 6 7 8 9 10
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
十一、轴11-1 判断题(1)× (2)× (3)× (4)× (5)√ (6)√ (7)× (8)√(9)√ (10)√ (
十一、轴11-1 判断题(1)× (2)× (3)× (4)× (5)√ (6)√ (7)× (8)√(9)√ (10)√ (