Problemas de cálculo de ecuaciones recursivas para alumnos de cuarto grado de primaria
2,8/9 × 15/36 + 1/27
3,12× 5/6 – 2/9 ×3
4,8× 5/4 + 1/4
5,6÷ 3/8 – 3/8 ÷6
6,4/7 × 5/9 + 3/7 × 5/9
7,5/2 -( 3/2 + 4/5 )
8,7/8 + ( 1/8 + 1/9 )
9,9 × 5/6 + 5/6
10,3/4 × 8/9 - 1/3
11,7 × 5/49 + 3/14
12,6 ×( 1/2 + 2/3 )
13,8 × 4/5 + 8 × 11/5
14,31 × 5/6 – 5/6
15.9/7 - ( 2/7 – 10/21 )
16.5/9 × 18 – 14 × 2/7
17.4/5 × 25/16 + 2/ 3 × 3/4
18,14 × 8/7 – 5/6 × 12/15
19,17/32 – 3/4 × 9/24
20,3 × 2/9 + 1/3
21,5/7 × 3/25 + 3/7
22,3/14 ×× 2/3 + 1/6 p>
23,1/5 × 2/3 + 5/6
24,9/22 + 1/11 ÷ 1/2
25,5/3 × 11/5 + 4 /3
26,45 × 2/3 + 1/3 × 15
27,7/19 + 12/19 × 5/6
28,1/4 + 3 /4 ÷ 2/3
29,8/7 × 21/16 + 1/2
30,101 × 1/5 – 1/5 × 21
31,50 +160 ÷40 (58+370)÷(64-45)
32.120-144÷18+35
33.347+45×2-4160÷52
34(58+37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6+42 42580- 64× 21÷28
37.812-700÷(9+31×11) (136+64)×(65-345÷23)
38.85+14×(14+ 208÷ 26)
39.(284+16)×(512-8208÷18)
40.120-36×4÷18+35
41 .( 58+37)÷(64-9×5)
42.(6.8-6.8×0.55)÷8.5
43.0.12× 4.8÷0.12×4.8 p>
44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6
45.6-1.6÷4= 5.38+7.85-5.37=
46.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9 p>
48.10.15-10.75×0.4-5.7
49.5.8×(3.87-0.13)+4.2×3.74
50.32.52-(6+9.728÷ 3.2) ×2.5
1.3/7 × 49/9 - 4/3
2.8/9 × 15/
36 + 1/27
3,12× 5/6 – 2/9 ×3
4,8× 5/4 + 1/4
5,6÷ 3/ 8 – 3/8 ÷6
6.4/7 × 5/9 + 3/7 × 5/9
7.5/2 -( 3/2 + 4/5 )
8,7/8 + ( 1/8 + 1/9 )
9,9 × 5/6 + 5/6
10,3/4 × 8/ 9 - 1/3
11,7 × 5/49 + 3/14
12,6 ×( 1/2 + 2/3 )
13,8 × 4/ 5 + 8 × 11/5
14,31 × 5/6 – 5/6
15,9/7 - (2/7 – 10/21)
16,5/ 9 × 18 – 14 × 2/7
17,4/5 × 25/16 + 2/3 × 3/4
18,14 × 8/7 – 5/6 × 12/ 15
19.17/32 – 3/4 × 9/24
20.3 × 2/9 + 1/3
21.5/7 × 3/ 25 + 3/7
22,3/14 ×× 2/3 + 1/6
23,1/5 × 2/3 + 5/6
24,9 /22 + 1/11 ÷ 1/2
25,5/3 × 11/5 + 4/3
26,45 × 2/3 + 1/3 × 15
27,7/19 + 12/19 × 5/6
28,1/4 + 3/4 ÷ 2/3
29,8/7 × 21/16 + 1/2 p>
30.101×1/5 – 1/5×21
31.5160÷40
32.120-144÷18+35
33.347 +45×2-4160÷52
34.(58+37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6+42
37.812-700÷(9+31×11)
38.85+14×(14+208÷26) p>
39.(284+16)×(512-8208÷18)
40.120-36×4÷18+35
41.(58+37) ÷( 64-9×5)
42.(6.8-6.8×0.55)÷8.5
43.0.12× 4.8÷0.12×4.8
44 .( 3,2×1,5+2,5)÷1,6 (2)3,2×(1,5+2,5)÷1,6
45,5,38+7,85-5,37
46,7,2÷0,8-1,2 ×5
47.6.5×(4.8-1.2×4)
48.10.15-10.75×0.4-5.7
49.5.8×(3.87- 0.13) +4.2×3.74
50.32.52-(6+9.728÷3.2)×2.5
Se puede poner~~