小数除以整数除法练习题
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小数除以整数除法练习题
一、基本题
1. 3.6 ÷ 2 =
2. 7.2 ÷ 3 =
3. 4.8 ÷ 4 =
4. 9 ÷ 5 =
5. 10.5 ÷ 15 =
二、进阶题
1. 12.96 ÷ 6 =
2. 18.9 ÷ 9 =
3. 26.37 ÷ 13 =
4. 32.7 ÷ 14 =
5. 48.6 ÷ 22 =
三、混合运算题
1. (8.4 ÷ 2) × 3 =
2. 5 × (6.3 ÷ 9) =
3. 12.6 ÷ (2 × 3) =
4. (7.2 ÷ 4) + 5.5 =
5. 20.8 ÷ (8 ÷ 2) =
四、应用题
1. 一根绳子长12.6米,平均分成4段,每段绳子长多少米?
2. 小明买了5千克苹果,平均每千克苹果重8.4元,他一共花了多少钱? 3. 一桶水重18.9千克,用8千克的水桶装,需要装几桶?
4. 一辆汽车行驶了48.6千米,平均每千米耗油0.22升,这辆汽车一共耗油多少升?
5. 一个长方形的长是9.6米,宽是2.4米,求这个长方形的面积。
五、挑战题
1. 0.36 ÷ 0.6 =
2. 0.72 ÷ 0.9 =
3. 0.48 ÷ 0.4 =
4. 0.9 ÷ 0.5 =
5. 1.05 ÷ 1.5 =
分数加减乘除综合练习题
一、分数加法
1. 1/4 + 3/4 =
2. 2/5 + 1/5 =
3. 3/8 + 5/8 =
4. 4/9 + 2/9 =
5. 7/12 + 5/12 =
二、分数减法
1. 5/6 1/6 =
2. 8/9 2/9 =
3. 9/10 3/10 =
4. 11/12 7/12 =
5. 15/16 1/16 =
三、分数乘法 1. 1/2 × 3/4 =
2. 2/3 × 4/5 =
3. 3/5 × 5/7 =
4. 4/7 × 6/8 =
5. 5/8 × 7/9 =
四、分数除法
1. 3/4 ÷ 1/2 =
2. 4/5 ÷ 2/3 =
3. 5/6 ÷ 3/4 =
4. 6/7 ÷ 4/5 =
5. 7/8 ÷ 5/6 =
五、混合运算
1. (2/3 + 1/4) × 6/7 =
2. 3/5 (1/2 × 2/3) =
3. 4/9 ÷ (1/3 1/6) +
4. (5/8 + 3/4) ÷ 2/5 =
5. 7/10 × (3/5 1/2) =
六、应用题
1. 小红有3/4升牛奶,她喝掉了1/4升,还剩多少升?
2. 一个长方形的长是5/6米,宽是2/3米,求这个长方形的面积。
3. 一个班级有40人,其中1/4是女生,男生有多少人?
4. 一块蛋糕切成了8份,小明吃了其中的3份,他吃了这块蛋糕的几分之几?
5. 一桶水重10/7千克,用2/3千克的水桶装,可以装几桶? 答案
一、分数加法
1. 1/4 + 3/4 = 1
2. 2/5 + 1/5 = 3/5
3. 3/8 + 5/8 = 1
4. 4/9 + 2/9 = 6/9 = 2/3
5. 7/12 + 5/12 = 12/12 = 1
二、分数减法
1. 5/6 1/6 = 2/3
2. 8/9 2/9 = 6/9 = 2/3
3. 9/10 3/10 = 6/10 = 3/5
4. 11/12 7/12 = 4/12 = 1/3
5. 15/16 1/16 = 14/16 = 7/8
三、分数乘法
1. 1/2 × 3/4 = 3/8
2. 2/3 × 4/5 = 8/15
3. 3/5 × 5/7 = 15/35 = 3/7
4. 4/7 × 6/8 = 24/56 = 3/7
5. 5/8 × 7/9 = 35/72
四、分数除法
1. 3/4 ÷ 1/2 = 3/4 × 2/1 = 6/4 = 3/2
2. 4/5 ÷ 2/3 = 4/5 × 3/2 = 12/10 = 6/5
3. 5/6 ÷ 3/4 = 5/6 × 4/3 = 20/18 = 10/9
4. 6/7 ÷ 4/5 = 6/7 × 5/4 = 30/28 = 15/14 5. 7/8 ÷ 5/6 = 7/8 × 6/5 = 42/40 = 21/20
五、混合运算
1. (2/3 + 1/4) × 6/7 = (8/12 + 3/12) × 6/7 = 11/12 ×
6/7 = 66/84 = 11/14
2. 3/5 (1/2 × 2/3) = 3/5 1/3 = 9/15 5/15 = 4/15
3. 4/9 ÷ (1/3 1/6) = 4/9 ÷ (2/6 1/6) = 4/9 ÷ 1/6 =
4/9 × 6/1 = 24/9 = 8/3
4. (5/8 + 3/4) ÷ 2/5 = (5/8 + 6/8) ÷ 2/5 = 11/8 ÷ 2/5
= 11/8 × 5/2 = 55/16
5. 7/10 × (3/5 1/2) = 7/10 × (6/10 5/10) = 7/10 ×
1/10 = 7/100
六、应用题
1. 小红有3/4升牛奶,她喝掉了1/4升,还剩 1/2 升。
2. 一个长方形的长是5/6米,宽是2/3米,这个长方形的面积是
5/6 × 2/3 = 10/18 = 5/9 平方米。
3. 一个班级有40人,其中1/4是女生,男生有 40 40/4 = 40
10 = 30 人。
4. 一块蛋糕切成了8份,小明吃了其中的3份,他吃了这块蛋糕的 3/8。
5. 一桶水重10/7千克,用2/3千克的水桶装,可以装 10/7 ÷
2/3 = 10/7 × 3/2 = 30/14 = 15/7 ≈ 2.14 桶(取整数为2桶)。