小学五年级数学计算题巧算与速算1.docx

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小学五年级数学计算题巧算与速算1.docx

小学五年级数学计算题巧算与速算1

数学计算题

一、简便计算题

12.3×4×0.25

12.96-(9.6-1.52)

85×10.1

1.2÷0.25+1.3×4

103×0.25

(4.8+6.4)÷8

35÷125

40.5÷0.81×1.05

34.5×0.03+34.5×0.97

(203.4+72.2)÷(1.3×0.2)

 

8×4.3×12.5

97.5÷0.39-136.7

2.5×102

86.4÷0.24×0.25

4.2÷28

11.16÷(10-0.7)

(9.6+3.2)÷0.8

(300-94.8)÷0.5

0.125×16

12.6÷[3.5-(9.8-8.7)]

 

3.2×5.6-11.4

0.648÷[(0.4+0.5)×0.6]

5.74×99+5.74

8.9×1.1×4.7

4.75+3.25×2.4+7.6

2.7×5.4×3.9

3.8×1.4+18.2÷0.7

3.6×9.85-5.46

4.8×0.25

8.05×3.4+7.6

 

4.7×10.2

6.58×4.5×0.9

7.63×99+7.63

2.8×0.5+1.58

6.73+2.56+1.44+3.27

8×5.2+3.8×3.8+3.8

2.37×2.5×4

(6.7+6.7+6.7+6.7)×2.5

1.5×102

9.8×25×4

 

2400÷16÷0.5

32×0.25×0.125

2.8×3.2+3.2×7.2

7.4-0.15×2.8

3.76×0.25-0.49

0.008+0.92×5-1.28

0.25×4.78×4

7.8÷(1.3×4)

0.65×201

7.2×0.9+0.01×7.2

 

1.2×2.5+0.8×2.5

8.6×10.1

2.5×7.1×4

5.6×(12.5-8.5÷0.85)

16.12×99+16.12

[(8.1-5.6)×0.9-1]×0.4

5.2×0.9+0.9

8.25×4.08+0.75×4.08+4.08

4.3×50×0.2

4.32+5.43+6.68

 

64-2.64×0.5

15.17-6.8-3.2

26×15.7+15.7×24

12.75-(2.75+6.8)

(2.275+0.625)×0.28

1.27+3.9+0.73+16.1

3.94+34.3×0.2

12.8-4.9-5.1

1.2×(9.6÷2.4)÷4.8

6.75-(0.9+3.75)

 

8.9×1.1×4.7

1.34+1.8+3.66+0.2

2.7×5.4×3.9

0.96-0.28+0.04-0.72

3.6×9.85-5.46

12.78-(4.97+2.78)

8.05×3.4+7.6

31.7-0.5×0.7-1.65

6.58×4.5×0.9

35.72-4.9-(5.72+5.1)

 

2.8×0.5+1.58

111-3.67×2.8-3.67×7.2

32+4.9-0.9

12.5×6.3+27×1.25+0.125÷0.01

4.8-4.8×0.5

3.1+25.78+6.9

(1.25-0.125)×8

15.25+4.72+4.75+5.28

4.8×100.1

34.82-(4.82+15.2)

 

56.5×99+56.5

7.28+0.94+2.72+0.06

7.09×10.8-0.8×7.09

7.84+0.73—0.84

4.85+0.35÷1.4

6.3×99+6.3

8.7×17.4-8.7×7.4

15.7—4.3—5.7

12.5×0.4×2.5×8

1.6+0.4—1.6+0.4

 

0.87×3.16+4.64

62.8÷2.5÷0.4

9.5×101

7.3×99

0.68÷(5.2-3.5)×1.25

(1.25+2.5)×8

40.5÷0.81×0.18

9.42×10—94.2×0.9

4.8×(15÷2.4)

1.8×2.48+1.52×1.8-0.5

 

2.13.×0.×8257

8.76+0.4×3.6×2.5+1.24

6.81+6.81×99

6.5×(10-3.7)+2.98

0.25×185×40

[4.75+8.4÷(9.2-6.8)]×40

4.4×0.8-3.4×0.8

19.8-0.6×0.6-0.64

(9.37+9.37+9.37+9.37)×2.5

0.125×7.9×16

 

4.2.×1.+1.×1.75

2.48×(7.3-5.8)+1.5×7.52

2.37×6.3+2.37×3.7

12.773-[4.5×(0.75-0.356)+9.23]

2.5×1.25×0.32

(6.4+0.88)÷0.8+3.2×1.25

3.8×10.1

24-[5.4+(0.63+1.29÷0.23)]

2.5×(3.8×0.04)

2.18+4.65+7.82+5.35+12.5

 

7.69×101

15.84-2.17-3.83

3.8×10.1

(25+2.5+0.25)×4

0.25×39+0.25

(35.2×45.6+45.6×63.8+45.6

0.125×72

12.25-3.1+0.85-6.17

46×0.33+54×0.33

((1.9-1.9×0.9)÷(3.8-2.8)

 

二、用竖式计算

1.8+0.02=

5.76×3=

2.08×7.5=

0.43×0.28=

0.72÷0.9=

90.75÷3.3

1.05×2.4=

4.6×0.6=

0.2÷0.01=

16.9÷0.13

1.89÷0.54=

3.08×0.43=

0.25×40=

3.7×0.016

5.61÷6.1=

5.22÷29=

 

1.25×0.8=

5.2×0.6

6.21÷0.3=

13.95÷3.1=

5.5×66=

6.4×0.5

1.3÷0.9

5.93×0.76

7.8×0.35=

5.25×5

21.84÷0.7

3—2.08

8.4×0.25=

0.042×0.54

28.14÷6.7

3.54×13

 

4.1-1.298

0.25×0.046

0.396÷1.2=

20-5.674

6.84×7.45

1.08×25

15.6×13=

5.4÷0.036

36.72÷2.4

0.125×1.4≈

0.025×14=

5.778÷5.4=

110.7÷0.54

10.1÷3.3=

0.04×0.12=

1.5×0.25=

 

1.204÷0.43=

3.25×9.04=

6÷1.2=

9.2÷2.3=

3.5×0.2=

7.15×22

18.9÷0.54=

6.45×0.73=

4.8+2=

1.55÷3.9

0.35×8.6=

1.5×26.7=

3.5×24=

8.4×1.3

54÷0.36=

7.218÷36

 

4.25×24=

35.4×4.2

0.462÷1.4

5.24÷7.2

5.24÷7.2

2.52×3.4

0.756÷0.36=

5.84÷0.16

87.11÷3.1

2.5÷0.7=

3.06×36=

8.02×3.5=

1-0.01=

3.68×0.25

1.44÷1.8=

8.9×0.05=

 

7.6×1.05=

4.48×0.4

5.86÷0.24

16.32÷51

5.56÷0.83

4.8×0.25=

0.18×15=

8÷11

6.5-5.6=

13.76×0.8=

9.58÷0.23=

18.72÷3.6=

2.84×0.05=

10.75÷12.5=

3.84×2.6≈

28.56÷5.1=

 

0.42×0.308

0.76×0.32

4.32÷3.6

2.7+3.13

 

三、速算与巧算

(1)5.8+2.32+0.68+4.2

 

(2)1999+199.9+19.99+1.999

 

(3)12.59-3.24-5.76

 

(4)8.1+7.8+8.2+8.4+7.9+7.7

 

(5)18×5.5

 

(6)8.88×1.25

 

(7)34.7×0.25

 

(8)238÷1.25

 

(9)0.25×12.5×3.2

 

(10)124.68+324.68+524.68+724.68+924.68

 

(11)5795.5795÷5.7957×579.5

 

(12)1990×198.9-1989×198.8

 

(13)2.25×0.16+264×0.0225+5.2×2.25+0.225×20

 

(14)(1+0.28+0.84)×(0.28+0.84+0.66)-(1+0.28+0.84+0.66)×(0.28+0.84)

 

(15)4.82×0.59+0.41×1.59-0.323×5.9

 

(16)0.125×0.25×32

 

(17)16×4.5

 

(18)0.25×1.25×22.4

 

(19)0.9+0.99+0.999+0.9999+0.99999

 

(20)(72×357+357×28)÷(51×7×4)

 

(21)98989898×99999999÷1010101÷11111111

 

(22)4.8×(11.03-15.6÷7.5)

 

(23)(67.8+9.48)÷0.96-2.58×30.05

 

(24)[1.7+1.7×(5.8-2.8)]+(1.75÷1.4)

 

(25)3.04×8.7-3.04×2.9+5.8×6.96

 

(26)(0.1+0.2+0.3+0.4+…+1)÷5.5

 

(27)3.14×6.5+4.5×3.14-3.14

 

(28)1240×3.8+124×51+1.24×1400+760×9.6+0.76×700

 

(29)1÷(2÷3)÷(3÷4)÷(4÷5)÷…÷(1999÷2000)

 

(30)1-2+3-4+5-6+…-98+99-100+100

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