口算天天练一年级下
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13-4= 13-5= 12-4= 10-4= 14-8= 17-9= 10-6= 10-5= 17-9= 12-7=
14-9=
9+30=
21+21=
28+7=
24-8=
42+2=
11+13=
34+16=
14+10=
31-2=
13+17=
23-3=
14-8=
11-8=
11-2=
11-5=
10-7=
15-9=
16-8=
13-5=
11-6=
11-6=
15-6=
22+22=
15+20=
12+12=
39-3=
42+1=
6+33=
3+20=
2+48=
22+23=
3+27=
20+4=
14+34=
17-8= 15-9= 12-3= 13-6= 16-7= 13-5= 16-8= 13-9= 10-9= 12-4=
15-7=
10-5=
15-9=
11-3=
12-7=
10-9=
10-4=
11-7=
13-9=
11-5=
10-7=
12-6=
11-3=
7+13=
44-8=
8+29=
9+26=
11-7=
11-5=
9+26=
47-2=
27-9=
36+12=
22-2=
45-1=
8+32=
17-9=
10-8=
10-3=
10-3=
12-8=
15-8=
16-8=
12-8=
17-8=
12-7= 18-9= 10-4= 11-2= 38-4= 24-8= 35-3= 6+13= 41+5= 7+39=
12-4=
7+25=
40-7=
7+37=
11+24=
32+11=
29-5=
13-9=
14-7=
18-9=
16-7=
14-7=
12-8=
13-9=
10-3=
17-8=
13-6=
10-1=
13-9=
11-2=
13-8=
16-9=
18-9=
14-9=
11-8=
16-9=
11-9=
16-8=
13-7=
12-7=
16-7=
12+16=
13+5=
15+30=
28-2=
17-5= 19+17= 21+21= 33-2= 15+3= 9+30= 4+5= 15-6= 16-9= 15-9=
14-7=
16-8=
11-9=
16-7=
15-9=
11-2=
10-3=
10-3=
9+16=
48-9=
22+26=
26+17=
42-9=
4+22=
33-9=
23+18=
8+20=
20-8=
11+34=
12-8=
15-8=
13-4=
13-5=
12-4=
10-4=
14-8=
17-9=
10-6=
10-5=
17-9=
12-7=
14-9=
14-8=
11-8=
11-2=
11-5= 10-7= 15-9= 16-8= 13-5= 11-6= 11-6= 15-6= 10+13= 9+28=
22+12=
13+24=
9+32=
13+22=
25-7=
28+8=
18+29=
47+3=
17-5=
6+20=
2+37=
15-9=
12-3=
13-6=
16-7=
13-5=
16-8=
13-9=
10-9=
12-4=
15-7=
10-5=
15-9=
11-3=
9+20=
27+7=
16+8=
42+4=
46+1=
2+38=
15+19=
1+25=
12+14=
43+4=
39+8=
36+5= 410+14= 12-7= 10-9= 10-4= 11-7= 13-9= 11-5= 10-7= 12-6=
11-3=
17-9=
10-8=
10-3=
10-3=
12-8=
15-8=
17-8=
12-8=
17-8=
12-7=
18-9=
10-4=
11-2=
13-9=
14-7=
135+13=
10+9=
33+2=
7+24=
7+7=
6+7=
10+13=
36-7=
3+32=
34+16=
10+29=
8-9=
16-7=
14-7=
12-8=
13-9=
10-3=
17-8=
13-6=