四年级小数加减法口算800题

1、第1天8.78-0.52= 1.27+0.31= 8.42-7.04= 16.76+6.61= 0.41+0.95=4.15+7.08= 2.59+9.10= 3.51+9.00= 4.54+2.55= 8.70+1.16=1.31+5.61= 7.21-0.77= 8.64-7.85= 8.68+0.84= 2.62+3.19=5.93-1.20= 3.66+5.90= 6.14-2.01= 5.58+0.13= 5.15-4.79=第2天5.29+6.33= 5.86-1.95= 3.79-3.47= 8.89-0.20= 7.42+9.92=3.58-2.87= 7.31-2.51= 8

2、.81-5.75= 6.67-2.72= 3.04+5.71=1.73+4.32= 4.47+9.24= 8.53+3.94= 8.36-3.72= 6.78-1.84=6.35-2.83= 4.36+7.50= 7.57+6.82= 5.18+2.34= 8.74-6.93=第3天7.96+2.29= 4.58+5.79= 1.05+9.02= 4.30-4.19= 4.94-2.06=7.93-4.75= 6.03-2.94= 4.62+3.02= 9.32+3.40= 5.43+3.23=3.55+5.33= 8.21-4.90= 2.38+2.40= 9.28+1.69= 6.89-0

3、.88=4.97+7.29= 3.34+4.51= 6.29+0.67= 9.60+0.73= 2.23+5.50=第4天9.81-0.09= 2.80+6.46= 7.74+1.48= 4.22-2.66= 8.28+7.36=7.48-6.52= 4.64-3.25= 5.62+2.82= 6.63+7.16= 5.94-0.36=8.80+7.97= 7.87+9.72= 8.76+0.75= 7.37-4.92= 7.52-1.82=3.42+6.99= 4.06+4.85= 7.55+7.05= 9.40-8.83= 7.41-2.14=第5天2.53+4.77= 8.23-2.35

4、= 4.45+6.35= 1.00+4.02= 5.20-1.50=27.38+4.83= 26.75+2.83= 3.64-2.58= 6.52-3.44= 15.31+13.51= 5.5+4.5= 3.27-2.49= 11.65-7.39= 19.01-7.99= 7.51+0.49=5.48-3.25= 4.8+18.9= 10.3+58.7= 8.03-4.56= 9.03-8.57= 第6天8.25+1.55= 9.43-9.05= 1.75+2.08= 4.28-3.37= 4.13+2.24= 4.17+2.53= 5.07-0.98= 5.67-0.73= 13.18+5.

5、27= 5.16+7.89=26.8+3.02= 6.07-4.993= 3.7+2.36= 15.4+2.97= 10.2-8.75= 7.3-2.25= 3.8+3.54= 3.05-2.9= 3.1-2.07= 12.7+6.58= 第7天7.81-3.735= 12.16+5.347= 0.4-0.125= 18.7+3.96= 9.6+4.78= 5.67-0.845= 0.506-0.19= 11.04-7.3= 1.4-0.405= 62.1-17.07= 1.4-0.405= 3.906+0.66= 43.5-27.34= 15.98-3.9= 75.6-3.55= 5.94+

6、10.7= 12.03+0.875= 37.8+3.02= 0.704-0.25= 10.1-0.55=第8天27+8.03=26+7.98= 13.99+1= 7.88+2 = 28-3.56= 10-0.81= 10-0.36= 20-0.92= 8-7.089= 95-9.85= 20-9.42= 35.09-11= 96.85-85= 45.45-45= 10-0.41= 45-0.45= 3.57+3=1.5-0.5= 1-0.9= 2.30.6= 第9天0.90.8= 1-0.3= 3.4-1.5=1.9-0.9= 3.5-2.4= 0.36+0.64=3.5+ 4.2= 6 -0

7、.5= 2.7-0.4=0.8+ 0.7= 4.5-3= 7.8-1.1=1.50.5= 10.9= 2.30.6= 0.90.8= 1.90.9= 3.5 -2.4= 0.360.64= 0.960.3= 第10天8.656.31=2.5+0.9= 1.2-0.5= 7.8+1.6=0.39+0.15= 3-1.4= 4.7-2.8=7.2-6.45= 15-0.48= 6.77-1.78=3.45+5.75= 3.40+58.20= 49.80+49.20=111.6-99= 7.8+21.02= 5.6-1.42=12.5+0.9= 4.5-2.83= 3.75+2.25=2.98+0.

8、56= 第11天12.53+4.67= 6.07+4.89=5.64-1.78= 10.2-6.45= 5-0.41= 0.3+1.5= 2.5+9.8= 7.6+1.3= 4.4+5.7= 2.3+7.7= 5.7+3.1= 7.69+2.31= 9.16+2.64= 5.68+12.22= 16.8+16.5= 26.3+14.6= 6.9+3.4=52.3+64.7= 12.75-5.3= 8.24+16.93=第12天0.750.4= 200.78=4.84.2= 5.73= 4.91.7= 1.340.8= 20.75= 8.70.03= 0.20.09= 8.52.5= 2.41.

9、4= 0.680.42= 7.827.2= 29.1= 0.480.52=8.15.1= 0.780.24= 0.80.18= 0.890.25= 10.98= 第13天0.90.1= 10.8= 4.54= 5.64= 104.4= 66.6= 9.52.7= 10.55= 3.74.8= 73.3= 325075= 2.73.9= 0709= 0.91= 14604= 1001= 14078= 32.7= 5008= 164235= 第14天111= 834622= 1.34.3= 7.26.9= 9.38.8= 4.415.99= 19.85.6= 96.356.2 = 79.256.8

10、= 1.925.793= 8869.21=136.5105= 73.4+52.1= 93.1-20.9=63.1-11= 0.33+9.8= 7.8+6.9= 0.2+2.7= 5.6+4.4= 9.4+0.06=第15天0.7+0.4= 0.50.45= 100.1=1.80.9= 12.61.2= 17+0.33= 1.01+0.6= 70.05= 90.26=6.14+3.83= 7.93-1.64= 5.23-2.36=3.44+3.36= 8.63-3.48= 1.16+4.77= 7.74-5.85= 9.35-4.74= 4.93+4.75= 8.17-5.26= 2.26-0.

11、86= 第16天6.55+4.68= 1.1+4.5= 1.9+3.4= 3.45+4.6= 4.45+4.5= 9.4-2.75= 7.3-1.26= 3.83+5.55= 2.75+1.3= 7.6-2.15= 1.9+6.2= 7.1-6.6= 6.8-2.8= 44.4+1.4= 1.7+9.66= 43.3+6.3=55.5-1.9= 38.9-5.55= 64.41+8.67=0.70.9= 第17天3.80.6= 8.24+3.76=4.13.8= 140.78= 14.6-0.34=1.3+8.56= 0.8-0.55= 1-0.03= 30.5+3.05= 0.8-0.45=

12、 3.250.75=0.78+2.2= 5-0.08= 10-0.1=107.64= 13.68.46= 0.991.1=1.23+6.52= 5.32-0.93= 6.35-5.23= 第18天1.23+5.69= 1.26+5.21= 0.96-0.23= 7.26-4.93= 2.16-0.23= 4.63+8.9=9.28+7.32= 5.2-0.9= 2.65+9.32=7.65-6.23= 8.28+4.75= 9.23+5.45= 6.23-4.53= 8.52+4.65= 5.2+2.63= 4.62+8.95= 7.24+6.21= 3.8-2.3=0.70.9= 0.80.

13、6= 第19天8.243.76= 4.13.8= 140.78= 14.60.34= 1.38.56= 0.80.55= 100.1=40.04= 10.03= 30.53.05= 0.80.45= 0.782.2= 50.08= 3.250.75= 8.656.31= 107.64=13.68.46= 0.991.1= 3.17+3.43=6.82+15.55= 第20天34.85 - 11.73 =75.80 + 59.35 =50.10 - 48.60 =91.91 - 75.10 =53.73 - 31.75 =64.48 - 14.42 =39.03 - 14.98 =28.36 -

14、 24.00 =61.83 + 69.95 =65.36 - 38.06 =29.37 - 18.02 =42.09 - 32.46 =64.39 + 40.78 =18.08 + 34.00 =47.63 - 31.59 =17.42 - 10.44 =16.24 - 14.18 =55.89 - 28.75 =67.23 - 19.17 =22.04 + 80.13 =第21天1.20.12=10.385=3.22.3=0.760.38=157.3=2.1+0.2=0.3+0.7=3.6+1.6=7.5-0.5=2.13-0.02=3.51+0.2=102+0.3=1.12-1.02=4.

15、5-0.01=1.9-0.4=3.14 - 2.33 =5.15 + 9.71 =8.37 + 8.19 =3.61 - 1.64 =2.91 - 1.78 =第22天7.84 - 1.52 = 6.86 + 3.33 = 2.15 + 9.08 = 4.3 - 3.02 = 2.12 + 6.52 = 6.52 - 6.41 = 8.51 - 3.54 = 7.34 - 1.67 = 9.66 - 1.72 = 4.94 + 2.59 = 1.95 + 8.08 = 1.84 - 1.84 = 2.74 + 8.8 = 3.14 - 2.41 = 2.13 + 4.01 = 9.41 + 5

16、.76 = 8.66 - 2.83 = 6.94 - 6.53 = 3.5 - 2.76 = 9.86 - 8.23 = 第23天7.79 - 5.83 = 4.3 + 4.1 = 4.17 + 9.86 = 3.78 - 2.13 = 5.28 - 4.32 = 9.43 + 3.41 = 6.95 + 3.18 = 9.04 - 3.61 = 1.86 + 4.36 = 3.91 + 9.77 = 8.19 - 2.65 = 8.31 + 5.23 = 7.34 + 4.27 = 4.85 - 2.05 = 1.57 - 1.23 = 2.8 + 1.5 = 6.63 + 5.23 = 6

17、6.54 - 15.7 = 21.97 + 56.16 = 61.14 + 33.59 = 第24天93.24 - 67.69 = 45.37 - 19.21 = 23.33 - 15.75 = 38.59 - 36.15 = 86.32 - 34.9 = 12.95 + 83.64 = 84.76 - 16.52 = 24.42 - 23.35 = 11.12 - 10.15 = 94.64 - 13.78 = 97.07 + 9.25 = 76.87 - 33.61 = 88.82 - 28.33 = 79.65 - 44.07 = 58.82 - 54.89 = 64.43 + 10.1

18、4 = 54.98 - 47.09 = 35.63 + 26.27 = 48.33 + 12.01 = 99.13 + 9.5 = 第25天51.51 - 36.56 =85.85 - 72.41 = 94.23 + 7.53 = 87.93 + 10.39 = 62.78 + 14.35 = 79.45 - 37 = 63.25 + 35.62 = 19.5 - 19.14 = 24.09 + 61.51 = 97.41 + 3.31 = 96.82 - 54.49 = 14.9 - 10.19 = 36.56 - 15.66 = 75.51 - 47.05 = 83.36 - 77.9 =

19、 27.9 + 59.04 = 77.51 - 39.11 = 41.69 + 25.99 = 16.04 + 50.21 = 7.03 - 5.09 =第26天 4.44 - 1.83 = 1.56 + 9.02 = 9.3 - 6.4 = 8.06 + 2.5 = 5.02 - 1.33 = 3.93 - 1.7 = 6.01 - 2.49 = 8.54 - 5.73 = 6.71 + 7.47 = 5.34 + 9.63 = 9.13 - 4.82 = 7.23 - 1.27 = 6.76 - 6.29 = 3.48 - 1.11 = 6.88 + 5.67 = 6.02 + 7.35

20、= 4.69 + 1.4 = 5.14 + 5.48 = 2.32 + 9.24 = 4.41 + 7.73 =第27天1.76 - 1.02 = 9.78 + 6.01 = 4.05 - 1.4 = 6.85 + 5.52 = 3.17 + 8.75 = 8.64 - 7.78 = 6.99 + 5.11 = 1.62 + 3.44 = 4.88 - 1.76 = 7.67 + 1.56 = 2.86 - 2.5 = 4.99 - 3.11 = 2 + 9.32 = 2.82 + 2.84 = 2.54 + 8.14 = 8.09 + 3.52 = 4.23 + 2.15 = 4.37 -

21、2.95 = 5.56 - 2.42 = 9.65 - 4.05 = 第28天9.88 - 7.81 = 66.29 + 27.15 = 68.55 + 21.42 = 47.87 + 46.9 = 69.41 + 25.29 = 25.45 - 16.34 = 30.31 - 30.25 = 21.9 + 62.18 = 98.52 - 58.64 = 89.39 - 57.57 = 26 - 20.56 = 54 - 44.22 = 51.1 + 24.48 = 10.23 - 10.11 = 38.16 + 34.93 = 51.75 + 10.02 = 56.29 + 40.09 =

22、94.6 + 6.33 = 84.72 - 53.34 = 42.44 + 49.35 = 第29天17.3 + 25.13 = 77.22 + 18.19 = 79.38 + 11.15 = 55.31 - 22.88 = 76.66 - 52.53 = 61.16 - 55.76 = 70.59 + 11.67 = 24.85 + 55.96 = 10.56 + 56 = 71.68 + 19.85 = 57.48 + 22.99 = 72.31 + 22.74 = 96.66 + 7.15 = 88.25 + 11.38 = 85.37 + 11.56 = 53.02 - 11.37 =

23、 43.34 + 20.21 = 21.72 - 14.89 = 77.48 - 74.53 = 38.3 - 20.16 = 第30天12.5 + 74.88 = 15.91 - 10.08 = 82.65 + 12.55 = 3.99 + 5.87 = 3.1 + 1.5 = 5.99 - 1.68 = 4.86 + 2.93 = 1.51 + 4.59 = 3.61 - 3.19 = 7.38 - 4.02 = 3.83 - 2.44 = 3.62 + 5.2 = 9.83 - 4.3 = 5.05 - 3.75 = 4.86 + 6.41 = 5.75 - 2.52 = 8.7 - 2

24、.27 = 2.24 + 4.16 = 9.76 - 7.75 = 7.19 + 7.13 = 第31天 1.39 + 9.9 = 7.61 - 6.4 = 4.3 + 7.54 = 1.26 + 6.82 = 2.06 - 1.14 = 6.52 - 1.66 = 6.78 - 3.09 = 3.32 - 1.41 = 8.27 + 7.55 = 1.28 + 1.04 = 5.34 + 3.49 = 6.87 + 5.21 = 7.34 + 2.82 = 4.05 + 4.26 = 7.41 - 1.74 = 2.49 + 7.68 = 7.39 - 4.54 = 9.66 - 9.43

25、= 3.54 + 9.56 = 3.37 - 2.14 = 第32天4.74 - 4.51 = 9 - 8.31 = 3.19 - 1.62 = 1.15 - 1.08 = 6.22 - 2 = 6.22 - 2.26 = 3.3 + 8.05 = 7.79 - 4.95 = 3.76 + 9.9 = 9.84 + 9.59 = 2.11 - 2.11 = 4.19 - 2.63 = 5.14 + 6.27 = 4.75 + 2.72 = 4.7 - 2.56 = 1.31 + 5.23 = 5.2 + 1.98 = 7.33 - 2.02 = 3.73 - 2.44 = 5.22 + 3.3

26、6 = 第33天4.1 + 3.53 = 8.87 + 2.18 = 2.28 - 1.87 = 1.33 + 3.93 = 3.13 - 1.82 = 6.22 + 8.24 = 6.06 - 2.54 = 6.73 + 5.92 = 3.11 - 1.79 = 5.05 + 1.06 = 7.35 - 3.67 = 8.85 + 5.61 = 1.09 - 1.07 = 4.41 + 7.09 = 1.4 - 1.37 = 3.23 + 6.28 = 5.03 + 7.86 = 8.9 + 9.85 = 9.36 - 7.74 = 9.88 + 4.22 = 第34天4.72 + 8.33

27、 = 3.98 - 1.02 = 8.51 - 4.95 = 4.36 - 3.76 = 9.69 - 2.97 = 2.47 - 1.13 = 7.44 + 5.77 = 7.13 + 5.1 = 4.66 + 4.59 = 4.87 - 2.54 = 1.05 - 1.02 = 1.88 - 1.31 = 2.12 + 3.92 = 6.85 + 7.38 = 8.02 - 4.16 = 1.24 + 1.51 = 3.5 + 9.89 = 4.5 + 1.06 = 1.11 - 1.09 = 6.02 - 5.73 = 第35天7.2 + 7.48 = 7.47 - 5.57 = 3.1

28、4 - 1.13 = 3.29 + 3.12 = 8.76 + 9.72 = 3.53 - 3.18 = 7.94 - 3.38 = 5.46 + 5.62 = 9.91 - 2.46 = 9.84 + 5.19 = 9.6 - 7.31 = 6.68 - 5.33 = 4.2 + 8.62 = 2.88 - 2.37 = 8.38 - 7.21 = 5.79 - 3.19 = 4.47 + 5.7 = 9.3 - 3.02 = 8.29 - 4.87 = 4.92 + 8.68 = 第36天8.46 + 7.07 = 9.02 + 5.96 = 7.51 + 2.51 = 1.24 - 1.

29、19 = 4.16 + 3.3 = 7.22 - 5.32 = 9.88 - 4.4 = 6.87 + 2.01 = 2.95 + 4.47 = 2.34 - 1.61 = 5.38 + 8.77 = 3.32 - 3.1 = 4.87 + 5.33 = 4.26 - 3.69 = 3.06 - 1.12 = 8.47 - 3.04 = 1.51 - 1.05 = 4.87 - 2.58 = 3.55 + 6.19 = 9 - 6.67 = 第37天3.71 + 4.82 = 3.16 - 2.03 = 3.92 - 1.67 = 2.78 + 1.07 = 8.11 - 5.53 = 8.83 + 9.99 = 3.03 + 5.3 = 7.35 + 7.53 = 3.22 - 2.26 = 56.8 - 31.52 = 93.85 + 7.24 = 71.21 - 11.55 = 88.47 - 14.37 = 61.2 + 11.02 = 66.3 + 25.6 = 25.98 + 13.56 = 50.08 - 17.81 = 79.72 + 19.82 = 67.9 + 25.97 = 88.33 - 60.7