用时______分______秒
|
29-8= |
20-8= |
13+1= |
9+20= |
|
41-19= |
21-19= |
33-31= |
6+10= |
|
46-33= |
35-9= |
23-17= |
37+2= |
|
1+23= |
34-34= |
26-2= |
45+4= |
|
30-5= |
48-15= |
31-30= |
22+8= |
|
44-14= |
26-25= |
41-3= |
50-24= |
|
19+25= |
30-29= |
37+4= |
3+16= |
|
15+3= |
48-26= |
49-47= |
44-30= |
|
17-15= |
18-11= |
33-28= |
50-45= |
|
20-12= |
30-30= |
13+18= |
11+30= |
|
50-12= |
14+35= |
19+30= |
28+15= |
|
16+19= |
15+15= |
18-9= |
31-30= |
|
25+2= |
20+8= |
4+29= |
27+14= |
|
27+17= |
7+33= |
46-43= |
13+13= |
|
24-8= |
28-17= |
23+23= |
23+10= |
|
7+2= |
20-2= |
22-15= |
45-14= |
|
3+45= |
26+10= |
37-26= |
5+5= |
|
22-5= |
9+33= |
13+23= |
24+15= |
|
1+20= |
2+44= |
27-3= |
39-5= |
用时______分______秒
|
17-15= |
32-31= |
40-40= |
36-1= |
|
29+13= |
39-28= |
35-9= |
28+19= |
|
19+8= |
50-4= |
32+12= |
37+3= |
|
28-15= |
46-42= |
7-6= |
42-7= |
|
1+40= |
17-13= |
49-4= |
31-6= |
|
16+27= |
35-13= |
36-18= |
33-4= |
|
48-24= |
22+6= |
49-2= |
50-22= |
|
38-32= |
43-14= |
26-25= |
19+9= |
|
33-27= |
17-9= |
11-5= |
11+7= |
|
47-17= |
40-25= |
5+17= |
28+7= |
|
49-46= |
6+39= |
34+7= |
20+12= |
|
22+13= |
48-1= |
19+14= |
17+12= |
|
49+1= |
24-8= |
15+6= |
34+8= |
|
48-9= |
47-29= |
14+2= |
5+40= |
|
35-27= |
22-14= |
42-21= |
47-45= |
|
48-46= |
19+13= |
18+11= |
37-18= |
|
49-37= |
23-17= |
20+26= |
3+8= |
|
39-4= |
38-15= |
47-41= |
12+16= |
|
48-34= |
48-33= |
29-24= |
48-38= |
爱口算ikousuan.cn，第1页共10页。
用时______分______秒
|
10+15= |
44-42= |
39-14= |
22-20= |
|
21+2= |
22+14= |
18+30= |
32+16= |
|
17+2= |
11-11= |
21-7= |
40-10= |
|
12+31= |
2+28= |
41+9= |
33-30= |
|
5+13= |
40-15= |
47-30= |
4+6= |
|
46-5= |
38-26= |
1+7= |
17+13= |
|
40-17= |
9+3= |
41-2= |
33-30= |
|
45-25= |
10+33= |
5-1= |
31-26= |
|
1+12= |
37-9= |
29+3= |
7+9= |
|
10+7= |
15+26= |
28+16= |
34-25= |
|
26-22= |
21+2= |
38-22= |
2+12= |
|
47-42= |
43-42= |
17-4= |
28-16= |
|
35+3= |
4+29= |
28+7= |
35-8= |
|
49-38= |
24-18= |
38-32= |
43-36= |
|
25+2= |
42+6= |
39-17= |
19-3= |
|
43-24= |
16+5= |
49-46= |
48-3= |
|
49-2= |
21-21= |
40-15= |
30-21= |
|
20+19= |
30-1= |
30-5= |
25-12= |
|
16-8= |
38-23= |
30+17= |
15+19= |
用时______分______秒
|
7+35= |
49-13= |
36-24= |
36+11= |
|
20-18= |
48-23= |
25-3= |
12-3= |
|
5-4= |
32-4= |
46-18= |
45-6= |
|
28-11= |
1+1= |
47-1= |
6+25= |
|
49-31= |
45-22= |
22+10= |
45-28= |
|
22+3= |
22+25= |
1+12= |
26+17= |
|
2+17= |
36-11= |
15-6= |
23+25= |
|
50-34= |
40-36= |
44-39= |
41-3= |
|
12+1= |
43-39= |
40+9= |
20+24= |
|
48-9= |
23+15= |
20+15= |
49-31= |
|
33-14= |
19+23= |
29-4= |
18-9= |
|
49-20= |
27+12= |
38+3= |
31-21= |
|
45-17= |
32-1= |
10+6= |
27+5= |
|
25+6= |
42-14= |
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3+31= |
|
41-33= |
15+8= |
37-33= |
13+29= |
|
42-35= |
35+9= |
47-14= |
31+13= |
|
25-14= |
43-19= |
43-2= |
23-22= |
|
21+6= |
41-21= |
41+9= |
50-44= |
|
32-31= |
12+31= |
26-17= |
33-30= |
爱口算ikousuan.cn，第2页共10页。
用时______分______秒
|
23-7= |
37-3= |
1+25= |
41-27= |
|
31+14= |
48-35= |
33-31= |
6+42= |
|
39-15= |
41-6= |
39-35= |
14-13= |
|
7+28= |
17+1= |
25+18= |
40-18= |
|
16+29= |
46-29= |
34-5= |
39+7= |
|
45-22= |
6+33= |
2+14= |
7+12= |
|
44+4= |
7+5= |
48-32= |
28+16= |
|
12+35= |
7+2= |
12-10= |
4+43= |
|
49-17= |
14-8= |
21-9= |
28+22= |
|
35-20= |
28-7= |
12+2= |
29-1= |
|
23-9= |
45-15= |
45-14= |
49-5= |
|
4+25= |
31-5= |
26-19= |
39-26= |
|
46-18= |
20+21= |
29+9= |
47-18= |
|
41-17= |
23+18= |
47-6= |
4+42= |
|
32-8= |
23+5= |
11+2= |
19+13= |
|
26-23= |
33-24= |
29-24= |
18-9= |
|
32-20= |
31-5= |
30-16= |
42-42= |
|
22-11= |
7+16= |
50-10= |
32-2= |
|
29-3= |
29-21= |
32-30= |
18-16= |
用时______分______秒
|
44+6= |
46-16= |
9+10= |
46-40= |
|
29-11= |
21-1= |
20+25= |
10+16= |
|
22+26= |
27-12= |
7-7= |
44-19= |
|
43-18= |
42-32= |
50-49= |
47-28= |
|
28+20= |
20-3= |
49-32= |
11+13= |
|
46-40= |
37+2= |
23-20= |
46-5= |
|
28-9= |
28-18= |
26+11= |
14+21= |
|
48-35= |
44-16= |
16+6= |
23+13= |
|
26-13= |
38-24= |
21-3= |
13-12= |
|
37-23= |
44-7= |
48-36= |
31-24= |
|
38-2= |
33-19= |
41-36= |
8+36= |
|
23-15= |
11+37= |
48-41= |
40-14= |
|
20+15= |
48-38= |
12-12= |
14-11= |
|
22+5= |
17+2= |
38-8= |
18+31= |
|
9+13= |
22-9= |
44-17= |
39-4= |
|
15-15= |
28+7= |
47-10= |
43-25= |
|
25+11= |
31+14= |
39-35= |
15+10= |
|
32-21= |
31-21= |
12+5= |
29-19= |
|
44-31= |
35-19= |
34-22= |
50-33= |
爱口算ikousuan.cn，第3页共10页。
用时______分______秒
|
19+5= |
48-47= |
13+6= |
39-4= |
|
22+21= |
38+12= |
17-14= |
32+17= |
|
9-9= |
3+36= |
42+6= |
25-6= |
|
35+10= |
19+9= |
37-13= |
28+2= |
|
14+22= |
13+18= |
45-24= |
24+15= |
|
22+23= |
48-45= |
43-42= |
35-16= |
|
32-5= |
15-9= |
7-6= |
1+31= |
|
11-11= |
48-36= |
16+22= |
45-30= |
|
16-4= |
7+33= |
29+9= |
8+10= |
|
44+2= |
9-1= |
18-15= |
26-16= |
|
19+16= |
2+35= |
38-3= |
21-3= |
|
26+14= |
1+11= |
48-32= |
9-7= |
|
10+31= |
48-6= |
23+6= |
47+3= |
|
22-22= |
20+2= |
33-13= |
25-22= |
|
31-12= |
2+22= |
11+27= |
40-3= |
|
21-14= |
39-2= |
26+16= |
15+23= |
|
35+9= |
8+27= |
21+12= |
17-7= |
|
22-19= |
34-11= |
2+26= |
47-27= |
|
36-22= |
6+27= |
32-11= |
11+21= |
用时______分______秒
|
44-17= |
27-27= |
35-32= |
50-29= |
|
27+11= |
11+37= |
13+4= |
29+7= |
|
49-33= |
35+7= |
50-11= |
46-32= |
|
29+18= |
41-33= |
3+13= |
25-1= |
|
14+29= |
16+24= |
24+19= |
31+3= |
|
15+17= |
14+30= |
14+6= |
32-10= |
|
40-25= |
50-46= |
46-2= |
16+25= |
|
20+24= |
6+17= |
41-17= |
17+7= |
|
12-1= |
4+27= |
14+4= |
37-3= |
|
39-19= |
45-19= |
3+2= |
12+19= |
|
50-30= |
13+8= |
40-40= |
47-38= |
|
40-3= |
31-31= |
45-11= |
28+7= |
|
15-12= |
33-18= |
13+1= |
27+1= |
|
40-31= |
18-12= |
50-26= |
37+4= |
|
39-31= |
32-22= |
42-29= |
36-27= |
|
50-22= |
10+22= |
4+11= |
27+22= |
|
4+35= |
38-3= |
29-26= |
33-26= |
|
12+1= |
18+22= |
1+36= |
35-28= |
|
42-25= |
8+23= |
10-2= |
18-11= |
爱口算ikousuan.cn，第4页共10页。
用时______分______秒
|
26+21= |
5+9= |
16+18= |
38-7= |
|
45-5= |
49-20= |
10+12= |
33+9= |
|
20+2= |
18+6= |
1+39= |
2+36= |
|
44-35= |
36+12= |
8+11= |
1+32= |
|
14+20= |
2+9= |
32-26= |
13-13= |
|
50-13= |
33+12= |
15-8= |
13-3= |
|
29-24= |
12+12= |
22+1= |
44-15= |
|
37-5= |
34-22= |
38+3= |
38-38= |
|
27-18= |
1+41= |
14+9= |
29+1= |
|
17-5= |
20+20= |
22-2= |
9+16= |
|
37-32= |
11-3= |
12+6= |
45-4= |
|
37+9= |
20+29= |
43-34= |
26+2= |
|
42-15= |
18-6= |
21+11= |
4+1= |
|
12+19= |
14+21= |
24-18= |
32-27= |
|
28-4= |
38-11= |
20-11= |
48-10= |
|
41+1= |
12+29= |
2+30= |
25+13= |
|
6+13= |
26+7= |
30-24= |
29-21= |
|
30-7= |
22+4= |
40-34= |
27-2= |
|
20+8= |
40-24= |
12+2= |
25+9= |
用时______分______秒
|
22+15= |
48-45= |
27+15= |
18+21= |
|
47-12= |
8+2= |
39-37= |
13+22= |
|
50-19= |
14+27= |
50-29= |
34-15= |
|
24-6= |
36-1= |
34-19= |
7-2= |
|
43-6= |
50-17= |
21+13= |
35+11= |
|
6+13= |
29-26= |
8+26= |
37-32= |
|
41-41= |
48-10= |
43-37= |
35-22= |
|
39-2= |
17+2= |
27+10= |
4+39= |
|
26-26= |
13-7= |
29-4= |
18+14= |
|
31-16= |
5+34= |
18+12= |
48-3= |
|
37-8= |
42-27= |
5+44= |
44-29= |
|
29-9= |
47-12= |
13+31= |
50-18= |
|
10+19= |
33+4= |
25-1= |
42-28= |
|
2-1= |
43-7= |
48-29= |
19-13= |
|
35-3= |
49-32= |
40-3= |
27+21= |
|
44+1= |
47-41= |
34-17= |
13-12= |
|
25-17= |
25-17= |
16+25= |
48-29= |
|
10+35= |
38-26= |
28-11= |
24-3= |
|
22+8= |
50-5= |
13+6= |
33+16= |
爱口算ikousuan.cn，第5页共10页。
用时______分______秒
|
21+9= |
42-12= |
38-6= |
45-16= |
|
4+6= |
17-15= |
36-6= |
15-10= |
|
26+2= |
23-5= |
38-22= |
48-40= |
|
28-9= |
14-1= |
46-25= |
34+14= |
|
47-43= |
20+15= |
15-4= |
6+9= |
|
21+22= |
20-9= |
46-43= |
17-8= |
|
37-5= |
46-39= |
20+8= |
31-21= |
|
9-3= |
13+27= |
43+3= |
4+5= |
|
11+2= |
12-3= |
21+4= |
17+15= |
|
13-2= |
45+2= |
29-8= |
23+26= |
|
30-10= |
45-5= |
34-26= |
45-28= |
|
13+28= |
49-39= |
43-31= |
27-4= |
|
22-16= |
27+2= |
33-8= |
42-11= |
|
45-22= |
50-30= |
22+10= |
10+26= |
|
23-14= |
24-21= |
7-4= |
34+2= |
|
11+17= |
42+8= |
10-1= |
25+5= |
|
14-4= |
3+18= |
30-6= |
49-1= |
|
45-24= |
14+19= |
32-14= |
38-18= |
|
6+23= |
13+24= |
28-18= |
21+25= |
用时______分______秒
|
12+8= |
28-28= |
9-8= |
32+13= |
|
43-32= |
37+10= |
26-16= |
43-23= |
|
31-31= |
21+7= |
46-9= |
35-6= |
|
30-14= |
48-28= |
32-5= |
10-7= |
|
12-10= |
30+1= |
47-24= |
8+11= |
|
23+25= |
50-10= |
21-16= |
27-16= |
|
47-15= |
46-20= |
33+3= |
22+21= |
|
27-9= |
22+25= |
42-32= |
31-28= |
|
28-4= |
47+1= |
19-4= |
34+1= |
|
17-3= |
28-4= |
26+23= |
17-5= |
|
48-33= |
21-14= |
40-17= |
37-12= |
|
31+11= |
28-28= |
20-13= |
37-12= |
|
42-26= |
14+11= |
19-9= |
9+14= |
|
7+21= |
16+20= |
6-4= |
42-12= |
|
27+13= |
3+36= |
29-26= |
30-24= |
|
15-2= |
18-17= |
24+2= |
31+18= |
|
50-6= |
22-13= |
47-29= |
8+3= |
|
19+31= |
30-22= |
28-22= |
2+25= |
|
23-22= |
17+12= |
41-40= |
50-17= |
爱口算ikousuan.cn，第6页共10页。
用时______分______秒
|
42-25= |
33-8= |
18-17= |
2+2= |
|
44-9= |
50-38= |
15+17= |
28-22= |
|
38-34= |
32-21= |
44-33= |
41-38= |
|
25-23= |
9+37= |
48-42= |
6-1= |
|
28+16= |
39+7= |
31-11= |
35-33= |
|
31-29= |
23-21= |
25-25= |
27-16= |
|
18+18= |
19-17= |
7+32= |
15-6= |
|
34+11= |
49-23= |
15+3= |
50-25= |
|
35-15= |
5+10= |
49-14= |
12+28= |
|
39-32= |
46-37= |
30+13= |
15+27= |
|
39+1= |
42+8= |
29+7= |
42-41= |
|
36+14= |
17+3= |
10-6= |
12+26= |
|
50-28= |
28+1= |
46-21= |
50-45= |
|
48-20= |
32+7= |
22+1= |
31+12= |
|
39-21= |
42-24= |
29-26= |
40-40= |
|
12-9= |
1+38= |
16+24= |
50-5= |
|
48-21= |
41-24= |
40+4= |
20-18= |
|
18-15= |
7-6= |
16+11= |
50-29= |
|
6-2= |
41-21= |
13+9= |
33+4= |
用时______分______秒
|
17+9= |
35+14= |
36-33= |
29+8= |
|
9+30= |
3+23= |
44-36= |
41-33= |
|
25+20= |
37-14= |
45-40= |
32+15= |
|
24+26= |
39+2= |
21+8= |
6+28= |
|
1+20= |
39-13= |
36-19= |
5+37= |
|
12+31= |
46-16= |
11+32= |
40+1= |
|
6+34= |
50-14= |
30+19= |
39+3= |
|
29+18= |
2+24= |
7-1= |
48-23= |
|
8+22= |
37-7= |
30-15= |
47-5= |
|
28-23= |
22+28= |
21+9= |
39+6= |
|
25-4= |
41+9= |
27-21= |
19+23= |
|
18+30= |
42-2= |
18-11= |
27+11= |
|
43-10= |
29-18= |
44-26= |
2+47= |
|
13-10= |
14+36= |
2+22= |
36+12= |
|
26-8= |
45-39= |
17+26= |
5+41= |
|
17-17= |
33-8= |
38-26= |
43-26= |
|
12+1= |
32-26= |
44-39= |
12+23= |
|
4+6= |
10+31= |
49+1= |
48-20= |
|
18-14= |
7-4= |
12+23= |
35-22= |
爱口算ikousuan.cn，第7页共10页。
用时______分______秒
|
50-23= |
48-10= |
38-20= |
11-10= |
|
38-24= |
17+18= |
40-9= |
11+13= |
|
19+7= |
21+3= |
33+8= |
46-3= |
|
13+6= |
21+20= |
4+36= |
33-26= |
|
15+31= |
42-9= |
18+22= |
13-6= |
|
10+13= |
3+15= |
27-1= |
26-20= |
|
46-24= |
17+30= |
18-7= |
45-38= |
|
30-26= |
25+13= |
32-25= |
41-3= |
|
8+19= |
21-14= |
35-29= |
8+26= |
|
34-12= |
28-11= |
27-12= |
16+5= |
|
17+10= |
46-26= |
24+11= |
44-9= |
|
27+2= |
21+24= |
28+4= |
20-11= |
|
18+15= |
23-2= |
29-17= |
32-2= |
|
18-6= |
44-10= |
25+13= |
6+12= |
|
2+5= |
44-35= |
7-5= |
7+38= |
|
32-19= |
2+10= |
45-39= |
19+31= |
|
9-9= |
20+5= |
19+11= |
17-4= |
|
24+24= |
41-19= |
15-1= |
21+23= |
|
5+31= |
31-23= |
26-4= |
41+1= |
用时______分______秒
|
15-11= |
39-19= |
38-25= |
14+25= |
|
45-13= |
27+3= |
17-16= |
37-6= |
|
17-1= |
10-4= |
40-2= |
23-18= |
|
32-12= |
28-26= |
6+10= |
41-31= |
|
37+9= |
11+38= |
20-18= |
42-40= |
|
3+15= |
44-18= |
4+41= |
14-1= |
|
38-5= |
12+38= |
18+12= |
40-15= |
|
25-16= |
33+15= |
44+3= |
24-11= |
|
25-25= |
19-19= |
29-9= |
6+34= |
|
47-30= |
12+29= |
40+2= |
40-39= |
|
15+1= |
37-4= |
44+1= |
2+8= |
|
28-9= |
23-6= |
41-26= |
44-29= |
|
34-6= |
38-18= |
19-11= |
38-14= |
|
40-18= |
26+22= |
19+26= |
23-14= |
|
46-46= |
29-29= |
6+3= |
5+26= |
|
17-5= |
2-1= |
18+21= |
28+16= |
|
30+9= |
21-7= |
17+24= |
32-21= |
|
1+3= |
14+25= |
43+1= |
7-5= |
|
19+29= |
39+5= |
3+36= |
32-26= |
爱口算ikousuan.cn，第8页共10页。
用时______分______秒
|
38-32= |
35-25= |
39-34= |
33-1= |
|
48-29= |
49-14= |
30-19= |
4+15= |
|
35-31= |
13+20= |
20+4= |
15+19= |
|
38-10= |
45+1= |
14+6= |
5+34= |
|
27-1= |
13+17= |
48-48= |
11-2= |
|
20-10= |
5+21= |
44-35= |
47-2= |
|
49-48= |
18-3= |
8+12= |
24+15= |
|
38-27= |
6+14= |
4+26= |
47-20= |
|
3+45= |
41-6= |
30-7= |
28+21= |
|
9-2= |
49-13= |
50-22= |
10-3= |
|
30-3= |
3+26= |
38-14= |
35-35= |
|
38+10= |
33+14= |
3-3= |
25-22= |
|
33+16= |
27-1= |
21+25= |
36+9= |
|
15-11= |
23-21= |
32+2= |
35-23= |
|
49-29= |
7+30= |
19+29= |
7+10= |
|
32-26= |
2+21= |
19-12= |
50-2= |
|
17+10= |
46-38= |
20+16= |
11+39= |
|
30-27= |
2+30= |
48+1= |
47-41= |
|
4-1= |
35-34= |
7-4= |
24-19= |
用时______分______秒
|
10+16= |
39-33= |
26-25= |
13+18= |
|
43+4= |
17+30= |
49-47= |
25+14= |
|
1+38= |
27-9= |
9+38= |
17-16= |
|
23+3= |
37-21= |
15-11= |
49-30= |
|
9+20= |
27-22= |
35-4= |
22-10= |
|
28-16= |
13-8= |
48-8= |
36-29= |
|
13+19= |
36-12= |
42-3= |
48-33= |
|
34-6= |
46-37= |
33-28= |
31-5= |
|
17+33= |
12-4= |
47-18= |
37-25= |
|
13+10= |
7+19= |
35-4= |
11+8= |
|
38-26= |
42-1= |
6+21= |
7+3= |
|
5+35= |
28+11= |
24-13= |
44-6= |
|
50-44= |
2+6= |
6+21= |
49-35= |
|
28-13= |
45-2= |
8+28= |
27+15= |
|
2+24= |
19+24= |
9+15= |
40-15= |
|
17-10= |
45-20= |
45-41= |
34-28= |
|
8+19= |
45-23= |
6+13= |
4+30= |
|
32-15= |
1+26= |
13-5= |
15+30= |
|
23-3= |
39-33= |
23-7= |
39-15= |
爱口算ikousuan.cn，第9页共10页。
用时______分______秒
|
34-1= |
48-7= |
32+10= |
9+15= |
|
9+9= |
9+5= |
35-30= |
40+1= |
|
24+14= |
12+27= |
10+33= |
22+25= |
|
32-3= |
24-10= |
36-4= |
13-7= |
|
34-13= |
33-7= |
19-12= |
24-21= |
|
25+1= |
47-19= |
13+37= |
29-16= |
|
15+15= |
45-4= |
44-23= |
5+18= |
|
41-36= |
43-16= |
47-32= |
8+33= |
|
14+29= |
14+13= |
10-10= |
18+32= |
|
47-9= |
26-20= |
12+11= |
41-19= |
|
50-14= |
5+41= |
5+34= |
20+19= |
|
7+2= |
45-20= |
14+4= |
9+8= |
|
27-10= |
28+17= |
33-29= |
16+33= |
|
30-14= |
7+20= |
28-28= |
17+26= |
|
12+16= |
31-9= |
29-24= |
34-26= |
|
34-19= |
39-32= |
19+19= |
27+16= |
|
1+39= |
33-22= |
2+36= |
36-18= |
|
41+1= |
41-37= |
7+27= |
44-27= |
|
14-3= |
39-4= |
15+25= |
10+37= |
用时______分______秒
|
27-25= |
39-10= |
43-21= |
50-34= |
|
2+8= |
27-16= |
16+1= |
7-7= |
|
37-12= |
1+2= |
33-24= |
32-2= |
|
25+6= |
31+10= |
49-33= |
24-18= |
|
29-9= |
38-33= |
31-23= |
24-19= |
|
39-13= |
27-25= |
5+28= |
18+4= |
|
46-15= |
21+22= |
14+14= |
5+31= |
|
46-7= |
25+17= |
38-25= |
3-1= |
|
26-11= |
47-35= |
17-2= |
17-9= |
|
37-18= |
1+15= |
16+32= |
37-10= |
|
47-2= |
12+12= |
45-42= |
47-34= |
|
44-19= |
50-26= |
50-47= |
50-15= |
|
1+24= |
43-26= |
27+19= |
37-36= |
|
39-28= |
8+2= |
46+3= |
46-44= |
|
6+16= |
25-24= |
22-14= |
8+5= |
|
1+24= |
50-35= |
36+11= |
18+17= |
|
32-15= |
18-9= |
17-2= |
33-20= |
|
33-8= |
35-33= |
11+5= |
30-26= |
|
2+5= |
41-13= |
27+1= |
32+16= |
爱口算ikousuan.cn，第10页共10页。
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