Una colección de 300 preguntas de cálculo matemático para estudiantes de cuarto grado en el segundo volumen
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. /36 + 1/27
6.12× 5/6 – 2/9×3
7. >8. 6÷ 3/8 – 3/8 ÷6
9 4/7 × 5/9 + 3/7 × 5/9
10. - (3/2 + 4/5)
11. 7/8 + (1/8 + 1/9)
12.
13. 3/4 × 8/9 - 1/3
14. 7 × 5/49 + 3/14
15. 1/2 + 2/3 )
16. 8 × 4/5 + 8 × 11/5
17.
18. 9/7 - (2/7 – 10/21)
19. 5/9 × 18 – 14 × 2/7
20. × 25/16 + 2/3 × 3/4
21 14 × 8/7 – 5/6 × 12/15
22. × 9/24
23. 3 × 2/9 + 1/3
24. 3/14 ×× 2/3 + 1/6
26 1/5 × 2/3 + 5/6
27. 1/2
28. 5/3 × 11/5 + 4/3
29. 30. 7/19 + 12/19 × 5/6
31 1/4 + 3/4 ÷ 2/3
32. 1/2
33.101 × 1/5 – 1/5 × 21
34.5160÷40
35.120-144÷18+35
p>
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)
59.42580-64×21÷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 p>
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
5) 2× 5/6 – 2/9 ×3
6) 3× 5/4 + 1/4
p>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. 2-6/13÷9/26-2/3
3. /p >
4.10÷5/9+1/6×4
5. 5/9× 3/12/7÷2/5
7 1/2+1/4×4/5－1/8
8. 7×4/ 3-1/2
9. 23-8/9×1/27÷1/27
10. /p>
11. 1/2＋3/4×5/12×4/5
12. p>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
(101309+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. 36 + 1/ 27
3. 12× 5/6 – 2/9×3
4. 5. 6÷ 3/8 – 3/8 ÷6
6 4/7 × 5/9 + 3/7 × 5/9
7. ( 3/2 + 4/5 )
8. 7/8 + ( 1/8 + 1/9 )
9. /p>
10. 3/4 × 8/9 - 1/3
11. 7 × 5/49 + 3/14
12. /2 + 2 /3 )
13. 8 × 4/5 + 8 × 11/5
14. p>15. 9/7 - (2/7 – 10/21)
16. 25/16 + 2/3 × 3/4
18 14 × 8/7 – 5/6 × 12/15
19.
7/32 – 3/4 × 9/24
20. 3 × 2/9 + 1/3
21. /p>
22. 3/14 ×× 2/3 + 1/6
23. /22 + 1/11 ÷ 1/2
25 5/3 × 11/5 + 4/3
26.
27. 7/19 + 12/19 × 5/6
28. /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
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
p>
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
6947×52-398
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）
108
0÷（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
1.[(5.84-3.9)/0.4+0.15]*0.92
2.4.38/(36.94+34.3*0.2)
3. (284+16)*(512-8208/18)
4.5.4/[2.6*(3.7-2.9)+0.62]
5.[(7.1-5.6) *0.9-1.15]/2.5
6.32.52-(6+9.728/3.2)*2.5
7.5.8*(3.87-0.13)+4.2*3.7
8.8/9*[15/16*(7/16-1/4)/1/2]
9.[5 1/2-1.04*(1 2/3+ 5/6)]/2.9
10.6 3/7 /3/7-[(7-0.5)*1/4]
11.(0.75+0.2)/0.25 *25%+12/0.75+7.2/2.4
12.1.21*42-(4.46+0.14)*1375+450/18*25
13.1+0.45/0.9- 0,75-168,1/(4,3*2-0,4)
14,605*8+3,5-44+10,9-(6,6+0,125/12,5%)
15,56* (56-65) *[0,325-62/3（56/8）-65 ]
16,4/7*5/9 + 3/7*5/9-3/4 × 8/9 - 1/3
17.50＋160/40 *（58+370)/（64-45）
18.347+45×2-4160÷52
19.6-1.6÷ 4+ 5,38+7,85-5,3
7
20.5.4÷[2.6×(3.7-2.9)+0.62]
1.125×3+125×5+25×3+25
2.9999*3+101*11*(101-92)
3.(23/4-3/4)*(3*6+2)
4. 7 × 49/9 - 4/3
5. 8/9 × 15/36 + 1/27
6. /p>
7.8× 5/4 + 1/4
8. 5/9 + 3/7 × 5/9
10. 5/2 - ( 3/2 + 4/5 )
11. /8 + 1/9 )
12. 9 × 5/6 + 5/6
13. p>14. 7×5/49 + 3/14
15. 11/ 5
17. 31 × 5/6 – 5/6
18. 19. 5/9 × 18 – 14 × 2/7
20 4/5 × 25/16 + 2/3 × 3/4
21. 7 – 5/6 × 12/15
22. 17/32 – 3/4 × 9/24
23. >
24.5/7 × 3/25 + 3/7
25. × 2/3 + 5/6
27. 9/22 + 1/11 ÷ 1/2
28. p>
29. 45 × 2/3 + 1/3 × 15
30. + 3/4 ÷ 2/3
32. 8/7 × 21/16 + 1/2
33. p>
34.5160÷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. 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)
59.42580-64×21÷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
p>
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 )
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. /9+1/2÷4/5+3/8
4.10÷5/9+1/6×4
5. +9/10÷9/20
6. 5/9×3/12/7÷2/5
7. /8
8.3/4×5/7×4/3-1/2
9. p>
10.8×5/6+2/5÷4
11. ×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
(101309+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. 8× 5/4 + 1 /4
5 6÷ 3/8 – 3/8 ÷6
6. × 5/9
7. 5/2 - (3/2 + 4/5)
8. p>
9.9 × 5/6 + 5/6
10. + 3/14
12. 6 × ( 1/2 + 2/3 )
13. >14. 31 × 5/6 – 5/6
15 9/7 – ( 2/7 – 10/21 )
16. × 2/7
17. 4/5 × 25/16 + 2/3 × 3/4
18.
15/2
19. 17/32 – 3/4 × 9/24
20. 5/7 × 3/25 + 3/7
22 3/14 ×× 2/3 + 1/6
23. /6
24. 9/22 + 1/11 ÷ 1/2
25. 45 × 2/3 + 1/3 × 15
27 7/19 + 12/19 × 5/6
28. /3
29. 8/7 × 21/16 + 1/2
30. +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
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
6947×52-398
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÷(3
60÷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
p>
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
1.[(5.84-3.9)/0.4+0.15]*0.92
2.4.38 /(36.94+34.3* 0.2)
3.(284+16)*(512-8208/18)
4.5.4/[2.6*(3.7-2.9)+ 0.62]
5.[(7.1-5.6)*0.9-1.15]/2.5
6.32.52-(6+9.728/3.2)*2.5
7.5.8*( 3.87-0.13)+4.2*3.7
8.8/9*[15/16*(7/16-1/4)/1/2]
9.[5 1 /2-1.04*(1 2/3+5/6)]/2.9
10.6 3/7 /3/7-[(7-0.5)*1/4 ]
11.(0.75+0.2)/0.25*25%+12/0.75+7.2/2.4
12.1.21*42-(4.46+0.14)*1375+450 /18*25
13.1+0.45/0.9-0.75-168.1/(4.3*2-0.4)
14.605*8+3.5-44+10.9-(6.6+0.125/ 12,5%)
15,56*（56-65）*[0,325-62/3（56/8）-65 ]
16,4/7*5/9 + 3/ 7*5/9- 3/4 × 8/9 - 1/3
17.5160/40 *（58+370)/（64-45）
18.347+45 ×2-4160÷52
19.6-1.6
÷4+ 5,38+7,85-5,37
20,5,4÷[2,6×(3,7-2,9)+0,62]
30,8÷[14-(9,85+1,07)]
[60－(9.5＋28.9)]÷0.18
2.881÷0.43－0.24×3.5
20×[(2.44－1.8)÷0.4+0 .15]
28-(3.4+1.25×2.4)
2.55×7.1+2.45×7.1
777×9+1111×3
0.8×〔15.5-(3.21+5.79)〕
(31.8+3.2×4)÷5
31.5×4÷(6+3)
0,64×25×7,8+2,2
2÷2,5+2,5÷2
194－64,8÷1,8×0,9
36,72÷4,25× 9,9
5180-705×6
24÷2,4-2,5×0,8
(4121+2389)÷7
671× 15-974
469×12+1492
405×(3213-3189)
3.416÷(0.016×35)
0,8×[(10－6,76)÷1,2]
19,4×6,1×2,3 5,67×0,2-0,62
18,1×0,92+3,93 0,0430,24+0,875
0.4×0.7×0.25 0.75×102 100-56.23
0.78+5.436+1 4.07×0.86+9.12.5
1, 89+124+11+26+48 2. 875-147-23
3. 25×125×40×8 4. 147×8+8×53
5. .92+0.1
Calcular usando un método simple
①89+124+11+26+48 ②875-147-23
③147×8+8× 53 ④125×64
Calcula las siguientes preguntas.
1.280＋840÷24×5 2.85×(95－1440÷24)
3.58870÷(105＋20×2) 4.80400－(4300＋870÷15)
5.1437×27+27×563 6.81432÷(13×52+78)
7.125×(33-1) 8.37.4-(8.6+7.24-6.6 )
Cálculo.
(1:1)
(1)156×107-7729 (2)37,85-(7,85+6,4)
(3)287×5+96990÷318 (4) 1554÷[(72-58)×3]
Cálculo fuera de formato
2800÷ 10789 (947-599)+76×64
1,36× (913－276÷23) 2. (93+25×21)×9
3.507÷13×63+498 4.723-(521+504)÷25
5.384÷12+23×371 6. (39-21)×(396÷6)
(1)156×[(17.7-7.2)÷3] (2)[37.85-(7.85+6.4)] ×30
(3)28×(5+969.9÷318) (4)81÷[(72-54)×9]
57×12－560÷35 848－640÷16×12
960÷(1500-32×45) [192-(54+38)]×67
138×25×4 (13×125)×(3×8) (12 +24+80)×50 704×25 25×32×125 32×(25+125)
178×101－178 84×36+64×84 75×99+2×75 83× 102-83×2 98×199
123×18-123×3+85×123 50×(34×4)×3 25×(24+16) 178×99+178
79×42+79+79×57 7300÷25÷4 8100÷4÷75 75×27+19×2 5 31×8713×310
4×( 25× 65+25×28) 138×25×4 (13×125)×(3×8) (12+24+80)×50
25×32×125 32×(25+ 125) 102×76 58×98
178×101-178 84×36+64×84 75×99+2×75 83×102-83×2
98× 199 123 ×18－123×3+85×123 50×(34×4)×3 25×(24+16)
178×99+178 79×42+79+79×57 7300 ÷25 ÷4 8100÷4÷75
Lo siento, solo encontré una cantidad limitada...