百分数加减乘除练习题一、百分数加法1. 25% + 35% = ______%2. 120% + 70% = ______%3. 50% + 50% = ______%4. 80% + 20% = ______%5. 37.5% + 62.5% = ______%二、百分数减法1. 80% 30% = ______%2. 150% 100% = ______%3. 75% 25% = ______%4. 90% 45% = ______%5. 65% 20% = ______%三、百分数乘法1. 20% × 5 = ______%2. 50% × 4 = ______%3. 30% × 10 = ______%4. 80% × 25 = ______%5. 60% × 3 = ______%四、百分数除法1. 120% ÷ 6 = ______%2. 90% ÷ 3 = ______%3. 200% ÷ 50 = ______%4. 75% ÷ 25 = ______%5. 100% ÷ 4 = ______%五、混合运算1. (40% + 60%) × 5 = ______%2. 80% (50% × 2) = ______%3. 100% ÷ (25% + 75%) = ______%4. (20% + 30%) × 10 50% = ______%5. 70% ÷ 7 + 15% = ______%六、百分数比较1. 如果 A 是 50%，B 是 75%，那么 A 是 B 的多少百分比？2. C 是 80%，D 是 40%，C 比 D 多多少百分比？3. E 是 120%，F 是 100%，E 比 F 多少百分比？4. G 是 30%，H 是 60%，H 是 G 的多少倍？5. I 是 200%，J 是 50%，I 是 J 的多少倍？七、百分数转换1. 将 0.25 转换为百分数。
