加减乘除混合运算I
| 81 ÷ 3 = | 70 - 34 = | 75 ÷ 5 = | 4 × 18 = |
| 84 ÷ 7 = | 70 ÷ 5 = | 40 - 7 × 4 = | 560 ÷ 70 = |
| 80 - 60 ÷ 20 = | 12 × 7 = | 96 ÷ 16 = | 76 ÷ 2 = |
| 70 ÷ 14 = | 240 ÷ 4 × 20 = | 90 ÷ 6 = | 90 - 40 × 2 = |
| 52 ÷ 26 = | 16 × 4 = | 14 × 4 = | 5 × 30 - 20 |
| 720 ÷ 90 = | 15 × 6 = | 300 - 49 = | 240 ÷ 40 = |
| 60 - 43 = | 42 ÷ 14 = | 2 × 29 = | 3 × 50 = |
| 100 - 54 = | 60 ÷ 4 = | 60 - 35 = | 540 ÷ 9 = |
| 84 ÷ 21 = | 15 × 6 = | 87 ÷ 3 = | 92 ÷ 4 = |
| 28 + 56 ÷ 28 = | 90 ÷ 6 = | 4 × 23 = | 180 - 107 = |
| 80 ÷ 5 = | 84 ÷ 6 = | 100 ÷ 25 = | 250 - 150 ÷ 50 = |
| 56 ÷ 2 = | 90 ÷ 5 = | 50 ÷ 25 = | 72 ÷ 3 = |
| 56 ÷ 14 = | 7 × 12 = | 85 ÷ 5 = | 16 × 4 = |
| 90 × 3 = | 92 ÷ 23 = | 300 ÷ 6 = | 36 × 2 = |
| 42 ÷ 14 = | 84 ÷ 28 = | 52 ÷ 4 = | 27 × 3 = |
| 120 ÷ 60 = | 68 ÷ 17 = | 78 ÷ 6 = | 2 × 35 = |
| 280 ÷ 40 = | 64 ÷ 4 = | 98 ÷ 14 = | 52 ÷ 13 = |
| 4 × 23 = | 100 - 67 = | 210 ÷ 30 = | 15 × 6 = |
| 160 ÷ 40 = | 25 × 4 = | 95 ÷ 5 = | 15 × 4 = |
| 4 × 23 = | 4 × 24 = | 360 - 170 = | 92 ÷ 23 = |
| 96 ÷ 12 = | 96 ÷ 24 = | 90 ÷ 6 = | 87 ÷ 3 = |
| 450 ÷ 90 = | 350 ÷ 50 + 20 = | 360 ÷ 60 = | 15 × 40 = |
| 490 ÷ 70 = | 180 ÷ 60 = | 200 - 89 = | 80 ÷ 16 = |
| 12 × 8 = | 95 ÷ 5 = | 13 × 4 = | 78 ÷ 3 = |
| 32 ÷ 2 = | 90 - 35 = | 78 ÷ 13 = | 85 ÷ 5 = |