四年级小数加减法口算800题.docx
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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=8.81-5.75=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=6.89-0.88=
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=4.45+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+5.27=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+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=
2.3+0.6=
第9天
0.9+0.8=
1-0.3=
3.4-1.5=
1.9-0.9=
3.5-2.4=
0.36+0.64=
3.5+4.2=
6-0.5=
2.7-0.4=
0.8+0.7=
4.5-3=
7.8-1.1=
1.5-0.5=
1-0.9=
2.3+0.6=
0.9+0.8=
1.9-0.9=
3.5-2.4=
0.36+0.64=
0.96-0.3=
第10天
8.65-6.31=
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+0.56=
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
0.75+0.4=
20+0.78=
4.8+4.2=
5.7-3=
4.9-1.7=
1.34+0.8=
2-0.75=
8.7+0.03=
0.2-0.09=
8.5+2.5=
2.4-1.4=
0.68+0.42=
7.82-7.2=
2+9.1=
0.48+0.52=
8.1-5.1=
0.78-0.24=
0.8+0.18=
0.89-0.25=
1-0.98=
第13天
0.9+0.1=
1-0.8=
4.5-4=
5.6+4=
10-4.4=
6+6.6=
9.5-2.7=
1-0.55=
3.7+4.8=
7+3.3=
3.25+0.75=
2.7+3.9=
0.7+0.9=
0.9+1=
14.6-0.4=
10-0.1=
14+0.78=
3+2.7=
5-0.08=
1.64+2.35=
第14天
1.1-1=
8.34-6.22=
1.3+4.3=
7.2+6.9=
9.3-8.8=
4.4+15.99=
19.8-5.6=
96.3-56.2=
79.2+56.8=
1.9+25.793=
88-69.21=
136.5-105=
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=
0.5-0.45=
10-0.1=
1.8-0.9=
12.6-1.2=
17+0.33=
1.01+0.6=
7-0.05=
9-0.26=
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=
2.26-0.86=
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=
0.7+0.9=
第17天
3.8+0.6=
8.24+3.76=
4.1-3.8=
14+0.78=
14.6-0.34=
1.3+8.56=
0.8-0.55=
1-0.03=
30.5+3.05=
0.8-0.45=
3.25+0.75=
0.78+2.2=
5-0.08=
10-0.1=
10-7.64=
13.6+8.46=
0.99+1.1=
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=
0.7+0.9=
0.8+0.6=
第19天
8.24+3.76=
4.1-3.8=
14+0.78=
14.6-0.34=
1.3+8.56=
0.8-0.55=
10-0.1=
4-0.04=
1-0.03=
30.5+3.05=
0.8-0.45=
0.78+2.2=
5-0.08=
3.25+0.75=
8.65-6.31=
10-7.64=
13.6+8.46=
0.99+1.1=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=
28.36-24.00=
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
1.2-0.12=
1-0.385=
3.2-2.3=
0.76-0.38=
15-7.3=
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=
4.5-0.01=
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+5.76=
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=
66.54-15.7=
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+10.14=
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=
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=
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=
4.37-2.95=
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=
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=
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=
8.7-2.27=
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=
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+3.36=
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=
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=
3.14-1.13=
3.29+3.12=
8.76+9.72=
3.53-3.18=