¿50 preguntas de aritmética oral (con respuestas) para alumnos de quinto de primaria?
1, 2/8+3/8=5/8
2, 13/9-13/9 =0
3. 9/13+3/13=?12/13
4. 5. 14/15-3/15=11/15
6,?1/13+11/13=12/13
7, 2/15-2/15 =0
8. 7/12+3/12=5/6
9. 1/8+2/8=3/8
11, 6/7-6/7=0
12, 10/13+2/13=12/13. p>
13, 2/13+7/13=9/13
14, 1/11+8/11=9/11
15, 3 /4 -1/4=?1/2
16, 4/15+10/15=14/15
17, 12/14-4/14=4/ 7
18, 7/13+2/13=9/13
19, 8/13-1/13=7/13
20, 12/ 14-12/14=0
21, 13/12-6/13=6/13
22, 4/14+8/=6/7 p>
23. 7/12/10=9/10
24. +7 /14=5/7
26, 4/11+5/11=9/11
27, 4/15+2/15=2/5 p>
28, 9/10-3/10=6/10
29, 7/13+5/13=12/13
30, 6/13 +5 /13=11/13
31, 3/7+3/7=6/7
32, 7/9+1/9=8/9 p>
33.8/14+2/14=5/7
34.10/13-8/13=2/13
35. -3 /14=0
36, 1/5+3/5=4/5
37, 1/12+6/12=7/12
38, 5/9+3/9=8/9
39, 7/11-2/11=5/11
40, 12/15-415 =8/15
41, 1/14+5/14=3/7
42, 7/12-2/12=5/12
43 , 2/9+5/9=7/9
44, 13/15-1/15=4/5
45, 5/14+7/14 =12/14
46, 13/12-1/13=11/13
47, 10/6-5/10=1/10
48 ,7/14-6/14=1/14
49, 5/12-1/12=4/12
50, 3/8+1/8 =2/8