Problemas de cálculo de suma y resta de fracciones de escuela primaria
4.3/7 × 49/9 - 4/3
5.8/9 × 15/36 1/27
6,12× 5/6 – 2/9 ×3
7,8× 5/4 1/4
8,6÷ 3/8 – 3 /8 ÷6
9.4/7 × 5/9 3/7 × 5/9
10.5/2 -( 3/2 4/5 )
11,7/8 ( 1/8 1/9 )
12,9 × 5/6 5/6
13,3/4 × 8/9 - 1/3
14,7 × 5/49 3/14
15,6 ×( 1/2 2/3 )
16,8 × 4/5 8 × 11/5
17,31 × 5/6 – 5/6
18,9/7 – ( 2/7 – 10/21 )
19,5/9 × 18 – 14 × 2/7
p>20,4/5 × 25/16 2/3 × 3/4
21,14 × 8/7 – 5/6 × 12/15
22.17/32 – 3/4 × 9/24
23.3 × 2/9 1/3
24.5/7 × 3/25 3/7
25,3/14 × × 2/3 1/6
26,1/5 × 2/3 5/6
27,9/22 1/11 ÷ 1/2
28.5/ 3 × 11/5 4/3
29.45 × 2/3 1/3 × 15
30.7/19 12/19 × 5/6
31.1 /4 3/4 ÷ 2/3
32.8/7 × 21/16 1/2
33.101 × 1/5 – 1/5 × 21
34.50 160÷40
35.120-144÷18 35
36.347 45×2-4160÷52
37(58 37)÷ (64-9 ×5)
38.95÷(64-45)
39.178-145÷5×6 42
40.812-700÷(9 31 ×11)
41.85 14×(14 208÷26)
43.120-36×4÷18 35
44.(58 37)÷(64 -9×5 )
45.(6.8-6.8×0.55)÷8.5
46.0.12× 4.8÷0.12×4.8
47.(3.2 ×1.5 2.5) ÷1.6
48.6-1.6÷4= 5.38 7.85-5.37=
49.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
50.6.5×(4.8-1.2×4)=
51.5.8×(3.87-0.13) 4.2×3.74
52.32.52-(6 9.728÷3.2) ×2.5
53.[(7.1-5.6)×0.9-1.15] ÷2.5
54.5.4÷[2.6×(3.7-2.9) 0.62]<
/p>
55,12×6÷(12-7,2)-6
56,12×6÷7,2-6
57,0,68×1,9 0,32×1,9
58.58 370)÷(64-45)
59.420 580-64×21÷28
60.136 6×(65-345÷23)
15-10.75×0.4-5.7
62.18.1 (3-0.299÷0.23)×1
63.(6.8-6.8×0.55)÷8.5
64.0.12× 4.8÷0.12×4.8
65.(3.2×1.5 2.5)÷1.6
66.3.2×6 (1.5 2.5)÷1.6
67.0.68×1.9 0.32×1.9
68.10.15-10.75×0.4-5.7
69.5.8×(3.87-0.13) 4.2×3.74
70.32.52-(6 9.728÷3.2)×2.5
71.[(7.1-5.6)×0.9-1.15] ÷2.5
72.5.4÷[2.6 ×(3.7-2.9) 0.62]
73.12×6÷(12-7.2)-6
74.12×6÷7.2-6
75.33.02 -(148,4-90,85)÷2,5
1) 76.(25-695-12)*36
77./4*3/5 3/4*2/5
78,1-1/4 8/9/7/9
79 1/6/3/24 2/21
80,/15*. 3/5
81.3/4/9/10-1/6
82./3 1/2)/5/6-1/3]/1/7
83./5 3/5/2 3/4
84.(2-2/3/1/2)]*2/5
85. 5268.32-2569
86.3 456-52*8
87.5 6325
88./2 1/3 1/4
2) 89 456-78
3) 5 .3/7 × 49/9 - 4/3
4) 9 × 15/36 1/27
5) 2× 5/6 – 2/9 ×3
6) 3× 5/4 1/4
7) 94÷ 3/8 – 3/ 8 ÷6
8) 95/7 × 5/9 3/7 × 5/9
9) 6/2 -( 3/2 4/5 )< /p >
10) 8 ( 1/8 1/9 )
11) 8 × 5/6 5/6
12) 1/4 × 8/9 - 1/3
13) 10 × 5/49 3/14
14) 1,5 ×( 1/2 2/3 )
15) 2 /9 × 4/5 8 × 11/5
16) 3,1 × 5/6 – 5/6
17) 4/7 - ( 2/7 – 10/21 )
18) 19 × 18 – 14 × 2/7
19) 5 × 25/16 2/3 × 3/4
20) 4 × 8/7 – 5/6 × 12/
15
21) 7/32 – 3/4 × 9/24
22) 1. 2/3÷1/2-1/4×2/5
2-6/13÷9/26-2/3
3 2/9 1/2÷4/5 3/8
4. 10÷5/9 1/6×4
5, 1/2×2/5 9/10÷9/20
6, 5/9×3/10 2 /7÷2/5
7. 1/2×4/5-1/8
8. 1/2
9. 23-8/9×1/27÷1/27
10. >11. 1/2 3/4×5/12×4/5
12. 5/8÷5/4 3/23÷9/11
23) 1,2×2,5 0,8×2,5
24) 8,9×1,25-0,9×1,25
25) 12.5×7.4×0.8
26) 9.9×6.4-(2.5 0.24)(27) 6.5×9.5 6.5×0.5
0.35×1.6 0.35×3.4 p>
0.25×8.6×4
6.72-3.28-1.72
0.45 6.37 4.55
5.4 6.9×3-(25-2.5 )2 ×41846-620-380
4,8×46 4,8×54
0,8 0,8×2,5
1,25×3,6×8×2,5-12,5×2,4
28×12.5-12.5×20
23.65-(3.07 3.65)
(4 0.4×0.25)8×7×1.25
1.65×99 1.65
27.85-(7.85 3.4)
48×1.25 50×1.25×0.2×8
7.8×9.9 0.78
(1010 309 4 681 6)×12
3×9146×782×6×854
5.15×7/8 6.1-0.60625
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
30.101 × 1/5 – 1/5 × 21
1 5/6-19/12
3x(-9) 7x(-9
(-54)x1/6x (-1/3)