Cuatro operaciones aritméticas en la escuela primaria
2.9999*3 101*11*(101-92)
3.(23/4-3/4)*(3 *6 2)
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 )
p>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
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]
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