人教版小学四年级数学下册练习题

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人教版小学四年级数学下册练习题四年级下册数学练题

第一天

一、直接写出得数:

2.7 + 6.3 =

0.58 + 3.5 =

6 - 2.2 =

5.6 - 2.8 =

25 × 12 =

6.68 - 2.1 =

6.38 + 5.62 =

3.92 - 0.9 =

0.25 × 10 =

100 × 2.003 =

62 ÷ 10 =

123.5 ÷ 100 =

9.025 × 100 =

9 - 2.3 - 3.7 =

65 + 37 × 0 =

5.5 + 2.81 + 4.5 =

25

二、竖式计算并验算:

12.65 + 3.5 =

三、计算,有些能简便的要简便计算:

89 × 99 + 892.63 + 5.8 + 7.37 + 4.2 = 2.58 - 1.6 + 3.42 =

125 × 64 =

45 × 31 × 25 × 4 ÷ 25 × 4 ÷ 54 =

85.6 - 3.21 =

52 × 15 - 5 × 52 =

55 × 25 + 75 × 45 =

23.5 - 2.8 - 7.2 =

102 × 58.65 - (3.2 + 8.65) = 99 × 125 × 8 =

3200 ÷ 25 ÷ 4 =

250 ÷ 8 × 4 =

第二天

一、直接写出得数:

2.7 + 6.3 =

0.58 + 3.5 =

6 - 2.2 =

5.6 - 2.8 =

25 × 12 =

6.68 - 2.1 =

6.38 + 5.62 =

3.92 - 0.9 =

0.25 × 10 =

100 × 2.003 =

62 ÷ 10 =

123.5 ÷ 100 =

9.025 × 100 =

9 - 2.3 - 3.7 =

65 + 37 × 0 =

5.5 + 2.81 + 4.5 =

25 × 4 ÷ 25 × 4 =

二、竖式计算并验算:

12.65 + 3.5 =

85.6 - 3.21 =

三、计算,有些能简便的要简便计算:

89 × 99 + 892.63 + 5.8 + 7.37 + 4.2 = 2.58 - 1.6 + 3.42 =

125 × 64 =

45 × 31 × 25 × 4 ÷ 54 =

55 × 102 =

改写后的文章:

学号。姓名:

四年级下册计算题练第三天

一、直接写出得数:

3.7 + 8.4 = 12.1

0.58 + 3.2 = 3.78

6 - 3.3 = 2.7

5.4 - 2.8 = 2.6

25 × 16 = 400

6.68 - 2.5 = 4.18

6.38 + 8.62 = 15

3.92 - 0.2 = 3.72

0.225 × 10 = 2.25

100 × 2.03 = 203

6.2 ÷ 10 = 0.62

123 ÷ 100 = 1.23

0.025 × 100 = 2.5

13 - 2.3 - 3.7 = 6

4 × 28 × 2

5 = 2800

36 ÷ 2.55 = 14.12

2.8 + 58 × 0 = 2.8

5.5 + 4.52 + 4.5 = 14.52

100 × 3 ÷ 100 × 3 = 3

二、竖式计算并验算:

12.65 + 7.5 = 20.15 (验算正确)

83.6 - 4.35 = 79.25 (验算正确)

三、计算,有些能简便的要简便计算:

99 × 85 + 855.63 + 8.8 + 4.37 + 1.236 × 19 - 9 × 36 = 8,422.72

可简便计算为:99 × 85 + 855.63 + 8.8 + 4.37 - 9 × 36 + 1.236 × 19 = 8,422.72)

55 × 101 = 5,555

2.38 - 2.4 +

3.62 = 3.6

125 × 24 = 3,000

75 × 55 + 75 × 45 = 7,500

27.5 - 6.8 - 3.2 = 17.5

55.83 - (3.2 + 5.83) = 46.8

29 × 125 × 8 = 29,000

5600 ÷ 25 ÷ 4 = 56

250 ÷ 8 × 4 = 125

抱歉,这篇文章没有明显的格式错误或有问题的段落。但是,可以对每段话进行小幅度的改写,以便更清晰地表达意思。

1.计算题练:

2.38-2.4+

3.62 = 3.6

125×24 = 3000

75×55+75×45 = 7500

27.5-6.8-3.2 = 17.5

55.83-(3.2+5.83) = 46.2

29×125×8 =

5600÷25÷4 = 56

250÷8×4 = 125

58+(124-24×3)= 62

32.3-(5.02+2.03×10)= 10.3 32×18+(32.6+18.09)= 725.69

2.直接写出得数:

3.7+7.3=11

0.56+3.4=3.96

6-3.22=2.78

5.4-4.5=0.9

25×28=700

6.88-2.8=4.08

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