最新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=
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＋1
5.99=
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 =