Add, Subtract and Compare
(1) Calculate.
| 46 + 9 = 55 | 20 - 3 = ____ | 71 + 5 = ____ | 79 - 6 = ____ |
| 55 - 1 = ____ | 52 + 8 = ____ | 36 + 2 = ____ | 24 - 7 = ____ |
| 83 + 2 = ____ | 49 - 8 = ____ | 50 + 6 = ____ | 74 - 0 = ____ |
| 81 - 7 = ____ | 41 + 5 = ____ | 63 - 3 = ____ | 82 + 1 = ____ |
| 34 - 7 = ____ | 37 + 4 = ____ | 40 + 6 = ____ | 78 - 9 = ____ |
| 32 + 5 = ____ | 51 - 1 = ____ | 72 + 8 = ____ | 77 - 2 = ____ |
| 26 - 8 = ____ | 76 + 7 = ____ | 56 + 5 = ____ | 21 - 4 = ____ |
| 70 + 6 = ____ | 43 - 9 = ____ | 65 + 2 = ____ | 54 - 1 = ____ |
(2) Fill in the table.
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(3) Put <, > or =
| 16 + 27 99 | 71 25 + 22 | 74 - 58 30 | 13 + 50 15 |
| 83 16 + 56 | 88 - 25 23 | 15 19 + 55 | 85 - 2 42 |
| 12 75 - 23 | 96 - 11 44 | 87 21 + 10 | 79 - 60 40 |
| 93 - 20 26 | 77 31 + 11 | 72 - 32 29 | 4 90 - 17 | 89 26 + 37 | 20 - 24 10 | 16 94 - 12 | 78 - 13 39 |