Problemas de operaciones mixtas de matemáticas en el segundo volumen de cuarto grado de primaria.
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 – 21/10 )
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< /p >
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
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 42 420 580-64×21÷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
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
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
51.[(7.1-5.6)×0.9-1.15] ÷2.5
52,5,4÷[2,6×(3,7-2,9) 0,62]
53,12×6÷(12-7,2)-6 (4)12×6÷7,2-6
, 2/3÷1/2-1/4×2/5
2, 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. p>
8.3/4×5/7×4/3-1/2
9. >10. 8×5/6 2/5÷4
11 1/2 3/4×5/12×4/5
12. /4-3/8÷3/4
13, 5/8÷5/4 3/23÷9/11
31.50 160÷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)
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
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)=
49.5.8×(3.87-0.13) 4.2×3.74
50.32.52-(6 9.728÷3.2)×2.5
51.[(7.1-5.6)×0.9-1.15] ÷2.5
52.5.4÷[2.6×(3.7) -2.9) 0.62]
53.12×6÷(12-7.2)-6
(54)12×6÷7.2-6
(55) 0,68×1,9 0,32×1,9
(56)(58 370)÷(64-45)
(57)420 580-64×21÷28
(58)(136 64)×(65-345÷23)
(59)48.10.15-10.75×0.4-5.7
1.125*3 125*5 25* 3 25
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 )
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
p>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
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. >
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 )
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. 5 9/10÷9/20
6 5/9×3/10 2/7÷2/5
7. -1/8
8、 3/4×5/7×4/3-1/2
9、 23-8/9×1/27÷1/27
10.8×5/6 2/5÷4
11. , 8/9×3/4-3/8÷3/4
13, 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
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< /p >
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
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 42 420 580-64× 21÷28
37.812-700÷(9 31×11) (136 64)×(65-345÷23)
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
45,6-1,6÷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
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
51. [( 7,1-5,6)×0,9-1,15] ÷2,5
52,5,4÷[2,6×(3,7-2,9) 0,62]
53,12×6÷(12-7,2) -6 (4)12×6÷7,2-6
102×4,5
7,8×6,9 2,2×6,9
5,6×0,25
8×(20-1.25)
1)127 352 73 44 (2)89 276 135 33
(1)25 71 75 29 88 (2)243 89 111 57
9405-2940÷28×21
920-1680÷40÷7
690 47×52-398
148 3328÷ 64-75
360×24÷32 730
2100-94 48×54
51 (2304-2042)×23
4215 (4361-716)÷81
(247 18)×27÷25
36-720÷(360÷18)
1080 ÷( 63-54)×80
(528 912)×5-6178
8528÷41×38-904
264 318-8280÷69
(174 209)×26- 9000
814-(278 322 )÷15
1406 735×9÷45
3168-7828÷38 504
796-5040÷(630÷7)
285 (3000-372)÷36
1 5/6-19/12
3x(-9) 7x(-9
(- 54)x1/6x(-1/3)
1.18.1 (3-0.299÷0.23)×1
2.(6.8-6.8×0.55)÷8.5
3.0.12× 4.8÷0.12×4.8
4.(3.2×1.5 2.5)÷1.6 (2)3.2×(1.5 2.5)÷1.6
5.6 -1.6÷4= 5.38 7.85-5.37=
6.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
7.6.5×(4.8-1.2 ×4)= 0.68×1.9 0.32×1.9
8.10.15-10.75×0.4-5.7
9.5.8×(3.87-0.13) 4.2×3.74
10.32.52-(6 9.728÷3.2)×2.5
11.[(7.1-5.6)×0.9-1.15] ÷2.5
12.5.4÷[2.6× (3.7-2.9) 0.62]
13.12×6÷(12-7.2)-6
14.12×6÷7.2-6
15.33.02- (148,4-90,85)÷2,5