小数乘法
1. 27 × 0.43 = _______
2. 0.86 × 1.2 ≈ _______ (保留两位小数)
3. 1.2 × 1.4 ≈ _______ (精确到十分位)
4. 7.06 × 2.4 - 5.7 = _______
5. 2.33 × 0.5 × 4 = _______
6. 0.65 × 105 = _______
7. 3.76 × 0.25 + 25.8 = _______
8. 4.8 × 0.25 = _______
9. 1.2 × 2.5 + 0.8 × 2.5 = _______
小数除法
1. 68.8 ÷ 4 = _______
2. 85.44 ÷ 16 = _______
3. 67.5 ÷ 15 = _______
4. 289.9 ÷ 18 = _______
5. 101.7 ÷ 9 = _______
6. 243.2 ÷ 64 = _______
7. 16.8 ÷ 28 = _______
8. 15.6 ÷ 24 = _______
9. 0.138 ÷ 15 = _______
10. 1.35 ÷ 27 = _______
11. 0.416 ÷ 32 = _______
12. 3.64 ÷ 52 = _______
13. 91.2 ÷ 3.8 = _______
14. 0.756 ÷ 0.18 = _______
15. 51.3 ÷ 0.27 = _______
16. 26 ÷ 0.13 = _______
17. 210 ÷ 1.4 = _______
18. 2.688 ÷ 0.56 = _______
19. 10.625 ÷ 25 = _______
20. 126 ÷ 45 = _______
21. 10 ÷ 25 = _______
22. 2.7 ÷ 7.5 = _______
23. 15 ÷ 0.06 = _______
24. 25.6 ÷ 0.032 = _______
解决问题
1. 一个正方形的周长是9.48米,它的边长是多少米?
2. 小汽车8分钟行12.8千米,公共汽车12分钟行14.4千米,谁的速度较快?快多少?
3. 小红、小表、小兰、小花、小梅一起去开心乐园玩,车费用去了9.5元,门票费32.5元。平均每人用去多少元?
简便运算
1. (5.1 - 3.6) ÷ 0.8 - 1
2. (77.4 - 3.096 ÷ 0.4) ÷ 0.03
3. 30.1 ÷ [(6.07 + 2.53) × 0.7]
4. 0.94 × 2.5 + 0.094 × 75
5. 98.4 × 98 + 98.4 × 2
6. 9.28 × 13 - 9.28 × 4 + 9.28
7. 97.2 ÷ [(54.8 + 45.2) × (6 - 5.46)]
8. 1.25 × 32
基础题型
1. 0.45 × 2.5 = _______
2. 0.8 × 1.25 = _______
3. 0.3 × 3.6 = _______
4. 0.3 × 0.3 = _______
5. 10 × 0.07 = _______
6. 0.3 × 1.4 = _______
7. 0.05 × 7 = _______
8. 0.92 × 0.4 = _______
9. 0.2 × 0.