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北师大版小学数学四年级下册计算题题库

来源:动视网 责编:小OO 时间:2025-09-25 07:10:10
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北师大版小学数学四年级下册计算题题库

小数乘法小数加、减法结合律:(a+b)+c=a+(b+c)(a×b)×c=a×(b×c)乘法分配律a×(b+c)=a×b+a×ca×b+a×c=a×(b+c)脱式计算(按照运算顺序)1.14×0.7=4.5×28=7.4×20=6.2×1.4=5.4×2.6=26.8+3.02=6.07-4.993=3.7+2.36=15.4+2.97=10.2-8.75=2.5×1.9×442×1.25×0.086.9+4.8+3.10.6+6.22+3.7825×0.23×0.4(40+0.8)×2.51
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导读小数乘法小数加、减法结合律:(a+b)+c=a+(b+c)(a×b)×c=a×(b×c)乘法分配律a×(b+c)=a×b+a×ca×b+a×c=a×(b+c)脱式计算(按照运算顺序)1.14×0.7=4.5×28=7.4×20=6.2×1.4=5.4×2.6=26.8+3.02=6.07-4.993=3.7+2.36=15.4+2.97=10.2-8.75=2.5×1.9×442×1.25×0.086.9+4.8+3.10.6+6.22+3.7825×0.23×0.4(40+0.8)×2.51

小数乘法小数加、减法

结合律:

(a+b)+c=a+(b+c)

(a×b)×c=a×(b×c)

乘法分配律

a×(b+c)=a×b+a×c

a×b+a×c=a×(b+c)

脱式计算

(按照运算顺序)

1.14×0.7=4.5×28=7.4×20=6.2×1.4=

5.4×2.6=

26.8+3.02=6.07-4.993=3.7+2.36=15.4+2.97=10.2-8.75=2.5×1.9×4

42×1.25×0.08

6.9+4.8+3.10.6+6.22+3.78

25×0.23×0.4

(40+0.8)×2.5

12.5×(0.8+80)

30×(1.5+0.1)

3.25×23-3.25×130.28×18-8×0.28

12.83-(8.45-3.69) 100-(8.7+5.24) 

84.06+6.47-5.19 5.43+(15.27+30.29)

2.8×1.43+0.57

2.3×1.4=3.7×1.8=5.2×1.6=

3.6×0.8=0.66×1.4=

7.3-2.25=3.8+3.54=3.05-2.9=3.1-2.07=12.7+6.58=1.2×0.04×25

320×1.25×8

18.76-3.47-0.535.17-1.8-3.2

0.4×23×2.5

0.36×34+0.36×66

7.5×2.3+2.5×2.3

(1.25-0.125)×8

4.5×5.2+4.5×4.8

7.×2.5-3.×2.5

5.03-2.5+0.9622.8-5.23-9.25

9.29+3.7×6.3?

8.02-5.4+0.98

4.6×57+0.23×8

0.42×0.8=0.24×0.19=2.4×1.3=4.5×2.3=

0.72×0.27=

28-3.56=10-0.81=10-0.36=20-0.92=8-7.0=0.25×21×40

1.25×21×0.8

4.02+5.4+0.985.17-1.8-3.23.68+7.56-2.68

6.3×43+57×6.3

17.01×9+17.01

9.71×2.3+7.7×9.71

(100-0.4)×2.5

10×(5.2+12.3)

67.2+41.5-71.39

10.75+(0.4+9.4)16.23+8.92-7.5650-28.5×1.2

13.79-9.53+10.57

45×1.2=107×4.6=

76×0.37=0.28×0.27=0.75×0.42=

96.85-85=45.45-45=

10-0.41=45-0.45=3.57+3=

0.13×25×0.4

(24×2.5)×0.04

70.8-1.25-1.75

4.02-3.5+0.984.25-0.83+0.75

(2.5-0.25)×0.4

7.9×10.8-0.8×7.9

18.76×9.9+18.76

(8+0.8)×12.5

26×15.7+15.7×24

1.5+0.68-0.672.8-8.6+5.84

20.8-(15.98-3.9)32.5+(5.07+6.1)3.52-(4.6-3.82)

5.61×2.9=3.77×1.8=0.02×96=5.22×0.3=

9.99×0.=

5.8-3.25=4.8+18.09=10.3+58.7=8.3-4.56=9.03-8.5=12.5×0.35×8

25×3.1×0.4

48.14-2.43-7.57

4×2.3×2.5

0.5×15.8×0.2

4.8×7.8+7.8×0.52

27.5×3.7-7.5×3.7

(0.8+8)×12.5

2.5×0.6-1.5×0.6

2.5×(40-0.4)

3.2×0.36-4.80.56+6.2+3.78

45×21-50×2.1

5.45+2.65×2.2

0.65×90+4.2

5.63×70=

75.6×90=

80×0.78=

8.06×0.04=

1.33×8.9=

5.94+10.7=12.3+0.85=37.8+3.02=0.704-0.25=10.1-0.55=

48×0.5×0.4

47×50×0.2

4×6.32×2.5

12.5×2.5×0.8×4

0.25×12.8×0.4

0.93×6+0.93×4

(0.4+10)×2.53.25×23-3.25×130.28×18-8×0.28

1.25×(100+0.8)

50.4×1.9-1.8

72×0.81+10.4

12.4-4.09×1.3

3.2×(14.7-7.65)

3.76+0.25+0.4

0.68×0.77=

45.6×0.26=

9.57×0.21=

38×6.75=

7.04×7.8=

4.1+2.53=5.07-0.8=5.7-0.73=13.18+5.27=5.16+7.9=

1.25×26×80

7.62+2.6+2.38

12-0.28-0.72

0.25×12.9×0.4

0.25×32×12.5

3.65×88+3.65×12

0.125×(8+0.8)

2.5×(10+0.4)

0.27×5.6+4.4×0.27

(0.4+40)×2.5

23.66+4.34-3.56

5.6-0.81-1.2915.9+3.26+4.17

5.83×2+4.27

1.3+4.7×0.9

1.42×0.25=

4.06×0.06=

60.5×2.1=

20×0.78=

2.×0.2=

1.4-0.55=3.6+0.46=43.5-27.34=15.08-3.9=75.6-3.55=

20.15+7.62+7.8551.27-8.66-1.34

8×(1.25×12)

0.25×4.7×40

(0.4×0.02)×2.5

33.3×19+33.3

2.9×2.5+17.1×2.5

(8+0.8)×12.5

2.5×12.4-2.4×2.5

(1.25-0.125)×8

6.9-4.8+3.1

9.29+3.7-6.3?

8.2-5.4-0.98

6.4×0.25+3.6×4

0.6+0.4×5.5

文档

北师大版小学数学四年级下册计算题题库

小数乘法小数加、减法结合律:(a+b)+c=a+(b+c)(a×b)×c=a×(b×c)乘法分配律a×(b+c)=a×b+a×ca×b+a×c=a×(b+c)脱式计算(按照运算顺序)1.14×0.7=4.5×28=7.4×20=6.2×1.4=5.4×2.6=26.8+3.02=6.07-4.993=3.7+2.36=15.4+2.97=10.2-8.75=2.5×1.9×442×1.25×0.086.9+4.8+3.10.6+6.22+3.7825×0.23×0.4(40+0.8)×2.51
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