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四年级数学小数点加减法题库

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四年级下册计算题库(一)——小数的加法和减法1.小数数位相同的加减法(竖式计算)5.5+4.5= .99= 58.7=

7.51+0.49= 8.03-4.56=

3.27-2.49= 5.48-3.25=

9.03-8.57=

5.67-0.73=

13.18+5.27=

11.65-7.39= 4.8+18.9=

19.01-710.3+

4.17+2.53=

5.16+7.89= 26.8+3.02=

10.2-8.75= 7.81-3.735=

9.6+4.78= 5.67-0.845=

62.1-17.071.4-0.405=

75.6-3.55=

5.94+10.7=

5.07-0.98=

6.07-4.993= 3.7+2.36= 15.4+2.97=

12.16+5.347= 0.4-0.125= 18.7+3.96=

0.506-0.19= 11.04-7.3= 1.4-0.405=

3.906+0.66= 43.5-27.34= 15.98-3.9=

12.03+0.875= 37.8+3.02= 27+8.03=

0.704-0.25=26+7.98=

10.1-0.55=10+10.1= 13.99+1= 95-9.85=

45.45-45=

2.小数加减混合运算(递等式计算)

7.88+2 = 20-9.42=

35.09-11= 96.85-85=

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5.03-2.5+0.96 23.66+4.34-3.56 5.6-0.81-1.29 7.2+41.5-71.39 10.75+0.4-9.473 8.5-13.45

13.79-9.653+170.57 .6+5.84

22.8-5.23-9.125

15.9+3.26+4.17 6

16.23+8.92-7.56 50-2

1.5+0.68-0.306 72.8-8

20.8-(15.98-3.9) 32.5+(5.07+6.13)

3.52-(4.66-3.82)

3.小数加减简便运算(递等式计算)0.9+1.08+0.92+0.1 +2.7+4.4 0.15+7.62+7.85 14-2.43-7.57 18.76-3.47-0.53

70.8-1.25-1.75 4.02-3.5+0.98 3.04-0.8-13.4-6.2 15.13+4.92-5.13 4.8+1.2-4.8+1.2 30.99-(8.5+15.99)

3.98-1.5+6.02 4.25-0.83+0.75

2

5.17-1.8-3.2 51.27-8.66-1.34

48.

5.26+3.43+0.74

5.6

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72.6-(22.6+3.45)36.06-(5+6.06)

四年级下册计算题库(一)——小数的加法和减法1.小数数位相同的加减法(竖式计算)27.38+4.83= 15.31+13.515.5+4.5= 9=

7.51+0.49=

4.8+18.9=

10.3+58.7=

8.03-4.56=

3.27-2.49=

11.65-7.39=

19.01-7.9

26.75+2.83=

3.64-2.58=

6.52-3.44=

5.48-3.25=

9.03-8.57=

8.25+1.55= 4.13+2.24= 4.17+2.53=

5.16+7.89= 26.8+3.02=

10.2-8.75= 7.3-2.25= 7=

9.43-9.05= 1.75+2.08= 4.28-3.37=

5.07-0.98= 5.67-0.73= 13.18+5.27=

2.小数数位不同的加减法(竖式计算)

6.07-4.993=

3.7+2.36=

15.4+2.97=

3.8+3.54=

12.7+6.58=

12.16+5.347=

3.05-2.9= 3.1-2.0

7.81-3.735=

9.6+4.78= 5.67-0.845=

62.1-17.07=

0.4-0.125= 18.7+3.96=

0.506-0.19= 11.04-7.3= 1.4-0.405=

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1.4-0.405=

75.6-3.55=

5.94+10.7=

10.1-0.55=

3.906+0.66= 43.5-27.34= 15.98-3.9=

12.03+0.875= 37.8+3.02= 0.704-0.25=

3.整数与小数的加减法(竖式计算)10+10.1=

7.88+2 = 28-3.56=

8-7.089=

95-9.85=

45.45-45=

10-0.41=

45-0.45=

3.57+3=

20-9.42=

35.09-11=

96.85-85=

10-0.81=

10-0.36=

20-0.92=

27+8.03=

26+7.98=

13.99+1=

4.小数加减混合运算(递等式计算)5.03-2.5+0.96 .66+4.34-3.56 5.6-0.81-1.29 2+41.5-71.39 10.75+0.4-9.473 5-13.45

13.79-9.653+170.57 +5.84

20.8-(15.98-3.9)32.5+(5.07+6.13)

3.52-(4.66-3.82)

1.5+0.68-0.306

72.8-8.6

16.23+8.92-7.56

50-28.

15.9+3.26+4.17

67.

22.8-5.23-9.125

23

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5.小数加减简便运算(递等式计算)0.9+1.08+0.92+0.1 .6+2.7+4.4 20.15+7.62+7.85 48.14-2.43-7.57 18.76-3.47-0.53

70.8-1.25-1.75 4.02-3.5+0.98 23.04-0.8-13.4-6.2 15.13+4.92-5.13 4.8+1.2-4.8+1.2

30.99-(8.5+15.99)72.6-5.26+3.43+0.74

51.27-8.66-1.34 5.17-1.8-3.2 4.25-0.83+0.75 3.98-1.5+6.02 22.6+3.45)36.06-(5+6.06)

5

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