四年级小数加减法口算800题.docx

1、四年级小数加减法口算800题第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

2、= 7.31-2.51= 8.81-5.75= 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= 9.2

3、8+1.69= 6.89-0.88=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

4、.77= 8.23-2.35= 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-

5、0.73= 13.18+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、.6-3.55= 5.94+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=

7、3.5+ 4.2= 6 -0.5= 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= 3.7

8、5+2.25=2.98+0.56= 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=

9、 8.52.5= 2.41.4= 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= 96.35

10、6.2 = 79.256.8= 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

11、-5.26= 2.26-0.86= 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

12、.05= 0.8-0.45= 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

13、=0.70.9= 0.80.6= 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、14.98 =28.36 - 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=