1360 Cálculos orales para 4.º grado (más fácil)
(1)3,28-4,76+1 -;
(2)2,75-2-3 +1
(3 )42÷(-1; )-1 ÷(-0,125);
(4)(-48) ÷82-(-25) ÷(-6)2
(5)- +( )×(-2.4).
2. Pregunta de cálculo: (10′×5=50′)
(1)-23÷1×( -1 )2÷(. 1 )2;
(2)-14-(2-0.5)××[( )2-( )3]
(3) -1 ×[1-; 3×(- )2]-( )2×(-2)3÷(- )3
(4)(0.12+0.32) ÷ [-22+(- 3)2-3 × ];
(5)-6,24×32+31,2×(-2)3+(-0,51) ×624
[-|98| )]*23[56+(-75)-(7)]-(8+4+3)
5+21*8/2-6-59 p>
68 /21-8-11*8+61
-2/9-7/9-56
4.6-(-3/4+1.6- 4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/ 1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12)
(-28)/(-6+4)+(-1 )
2/(-2)+0/7-(-8)*(-2)
(1/4-5/6+1/3+2/ 3)/1/2
18-6/(-3)*(-2)
(5+3/8*8/30/(-2)-3
(-84)/2*(-3)/(-6)
1/2*(-4/15)/2/3
-3x+2y- 5x-7y
75÷〔138÷(100-54)〕 85×(95-1440÷24)
80400-(4300+870÷15) 240×78÷(154 -115)
1437×27+27×563 [75-(12+18)]÷15
2160÷[(83-79)×18] 28840÷24×5
325÷13×(266-250) 85×(95-1440÷24)
58870÷(105+20×2) 1437×27+27×563
81432÷(13×52+78) [37.85-(7.85+6.4)] ×30
156×[(17.7-7.2)÷3] (947-599)+76×64
36×(913-276÷23) [192-(54+38)]×67
[(7.1-5.6)×0.9-1.15]÷2.5 81432÷(13 × 52+78)
5,4÷[2,6×(3,7-2,9)+0,62] (947-599)+76×64 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) 0,8×[15,5-(3,21 5,79)] (31,8 3,2×4)÷5 194-64,8÷1,8×0,9 36,72÷4,25×9,9 3,416÷(0,016×35) 0,8×[(10-6)
.76)÷1.2]
(136+64)×(65-345÷23) (6.8-6.8×0.55)÷8.5
0.12× 4.8÷0.12×4.8 ( 58+37)÷(64-9×5)
812-700÷(9+31×11) (3,2×1,5+2,5)÷1,6
85+14× (14+208÷26) 120-36×4÷18+35
(284+16)×(512-8208÷18) 9,72×1,6-18,305÷7
4/7÷[1/3×(3/5-3/10)] (4/5+1/4)÷7/3+7/10
12,78-0÷( 13,4+156 .6) 37.812-700÷(9+31×11) (136+64)×(65-345÷23) 3.2×(1.5+2.5)÷1.6
85+14×(14+ 208÷26) (58+37)÷(64-9×5)
(6,8-6,8×0,55)÷8,5 (284+16)×(512-8208÷18)
0,12× 4,8÷0,12×4,8 (3,2×1,5+2,5)÷1,6
120-36×4÷18+35 10,15-10,75×0,4-5,7
5,8 ×(3,87-0,13)+4,2×3,74 347+45×2-4160÷52
32,52-(6+9,728÷3,2)×2,5 87(58+37)÷(64-9×5 )
[(7,1-5,6)×0,9-1,15] ÷2,5 (3,2×1,5+2,5)÷1,6
5,4÷[2,6×(3,7-2,9)+0,62] 12×6÷(12-7.2)-6
3.2×6+(1.5+2.5)÷1.6 (3.2×1.5+2.5)÷1.6
5.8×(3.87- 0,13)+4,2×3,74
33,02-(148,4-90,85)÷2,5
1. 8/9×15/36 + 1/27
3 12× 5/6 – 2/9×3
4.
5. 6÷ 3/8 – 3/8 ÷6
6. >7. 5/2 - ( 3/2 + 4/5 )
8. × 5 /6 + 5/6
10. 3/4 × 8/9 - 1/3
0,12χ+1,8×0,9=7,2 (9-5χ)×0,3 =1,02 6,4χ-χ=28+4,4
11. 7 × 5/49 + 3/14
12 × ( 1/2 + 2/3 )
13. 8 × 4/5 + 8 × 11/5
14. 2/ 7 – 21/10)
16. 5/9 × 18 – 14 × 2/7
17. /4
18. 14 × 8/7 – 5/6 × 12/15
19. >20 .3 × 2/9 + 1/3
21.
+ 3/7
22. 3/14 ×× 2/3 + 1/6
23. p>24. 9/22 + 1/11 ÷ 1/2
25. 1/3 × 15
27. 7/19 + 12/19 × 5/6
28. p>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. 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.-5+58+13+978-(-56)+50
52.-7*2-57/(3
53.( -7)*2/(1/3)+79/(3+6/4)
54.123+456+789+98/(-4)
55.369/33 -(-54-31/15.5)
56.39+{3x[42/2x(3x8)]}
57.9x8x7/5x(4+6)
58.11x22/(4+12/2)
59.94+(-60)/10
.125*3+125*5+25*3+25 p>
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. /9 ×3
7.8× 5/4 + 1/4
8. 4/7 × 5/9 + 3/7 × 5/9
10. + (1/8 + 1/9)
p>
12. 9×5/6 + 5/6
13. 3/4 × 8/9 - 1/3
14. + 3/14
15.6×( 1/2 + 2/3 )
16. >17. 31 × 5/6 – 5/6
18 9/7 – (2/7 – 10/21)
19. × 2/7
20. 4/5 × 25/16 + 2/3 × 3/4
21.
22. 17/32 – 3/4 × 9/24
23. × 3/25 + 3/7
25. ×× 2/3 + 1/6
26. /p>
27. 9/22 + 1/11 ÷ 1/2
28. 2/3 + 1/3 × 15
30 7/19 + 12/19 × 5/6
31. /p>
32. 8/7 × 21/16 + 1/2
33.
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)
59.42580-64×21÷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.
.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 )
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. 2/9+1/2÷4/5+3/8
4. 10÷5/9+1/6×4
5. 10÷9/20
6. 5/9×3/12/7÷2/5
7. 1/8
8. 3/4×5/7×4/3-1/2
9. /p>
10.8×5/6+2/5÷4
11.
/p>
12. 8/9×3/4-3/8÷3/4
13. p>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. 9×3
4. 8× 5/4 + 1/4
5. 4/7 × 5/9 + 3/7 × 5/9
7/5/2 - ( 3/2 + 4/5 )
8. 8 + (1/8 + 1/9)
9. 9 × 5/6 + 5/6
10. /p >
11. 7 × 5/49 + 3/14
12. 5 + 8 × 11/5
14. 31 × 5/6 – 5/6
15. >
16. 5/9 × 18 – 14 × 2/7
17. 14 × 8/7 – 5/6 × 12/15
19 17/32 – 3/4 × 9/24
20. 3
21. 5/7 × 3/25 + 3/7
22. 1/5 × 2/3 + 5/6
24 9/22 + 1/11 ÷ 1/2
25. /3
26. 45 × 2/3 + 1/3 × 15
27. 1/4 + 3/4 ÷ 2/3
29 8/7 × 21/16 + 1/2
30. × 21
>
31.5160÷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 p >
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)
1080÷(63-54)×80
p>
(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
184+98 695+202 864-199 738-301
38 476+120 (569+468)+( 432+131)
256-147-53 373-129+29 189-(89+74) 456-(256-36)
28×4×25 125×32×25 9×72× 125
720÷16÷5 630÷42
102×35 98×42
26×39+61×26 356×9-56×9
p>
99×55+55 78×101-78
52×76+47×76 +76 134×56-134+45×134
(Aplicación de la ley distributiva de la multiplicación)
48×52×2-4×48
25×23× (44)
999×999+1999
(Aplicación integral de la ley distributiva de la multiplicación)
158+262+138 375+219+381+225 5001-247-1021-232
(181+2564)+2719 378+44+114+242+222 276+228+353+219
(375+1034)+(966+125) (213783+270)+1017 99+999+9999+99999
7755- (2187+755) 2214+638+286 3065-738 -1065 899+344
2357-183-317-357 2365-1086-214 497-299 2371995
3999+498 1883-398 12×25 75×24
138×25×4 (13×125)×(3×8) (12+24+80)×50 704×25
25×32×125 32×(25 +125) 88×125 102×76 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
16800÷120 30100÷2100 32000÷400 49700÷700
1248÷24 3150÷15 4800÷25 21500÷125
158+262+138
375+219+381+225
5001- 247-1021-232
(181+2564)+2719
378+44+114+242+222
276+228+353+219
(375+1034)+(966+125)
(213783+270)+1017
99+999+9999+99999
7755-(2187+755)
2214+638+286
3065-738-1065
899+344
2357-183-317-357
2365-1086-214
497-299
2371995
3999+ 498
1883-398
12×25
75×24
138×25×4
(13×125)×(3×8)
(12+24+80)×50
704×25
25×32×125
32×(25+125)
88×125
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) p>
p>
178×99+178
79×42+79+79×57
7300÷25÷4
8100÷4÷75
16800÷120
30100÷2100
32000÷400
49700÷700
1248÷24
3150÷15
4800÷25
21500÷125
2356-(1356-721)
1235-(1780-1665)
75×27+19×2 5
31×8713×310
4 ×(25×65 +25×28)
(a+b)+c = a +(b+c)
2,73 + 0,89 + 1,27
4,37 + 0,28 + 1,63 + 5,72
a-b-c = a - (b+c)
10 - 0,432 - 2,568
9,3 - 5,26 - 2,74
13,4- (3,4+5,2)
14,9 - (5,2+4,9)
18,32 - 5,47 - 4,32
17,29 - 5,28 - 6,29
(a × b) × c = a × (b × c)
25 × 6,8 × 0,04
0,25 × 32 × 0,125
6,4 × 1,25 × 12,5
c × (a+b) = ca + cb
0,45 × 201
0,58 ×
10,1
50,2 × 99
4,7 × 9,9
3,28 × 5,7 + 6,72 × 5,7
2,1 × 99 + 2,1
1,7 × 9,9 + 0,17
23 × 0,1 + 2,3 × 9,9
0,18 +4,26 -0,18 +4,26 ☆
0,58 ×1,3 ÷ 0,58 ×1,3 ☆
7,3 ÷4 + 2,7 × 0,25 ☆
3,75 × 0,5 - 2,75 ÷ 2 ☆
5,26 × 0,125 + 2,74 ÷ 8 ☆ p>
a ÷ b ÷ c = a ÷ (b × c) 6,3 ÷ 1,8
9,5 ÷ (1,9 × 8)
12,8 ÷ (0,4 × 1,6 )
930 ÷ 0,6 ÷5
63,4 ÷ 2,5 ÷ 0,4
(7,7 + 1,54)÷ 0,7 ☆
(11,7 + 9,9) ÷ 0,9 ☆
Cálculo simple (suma y resta)
6,9+4,8+3,1
15,89+(6,75-5,89)
7.85+2.34-0.85+4.66
35.6-1.8-15.6-7.2
13.75-(3.75+6.48)
47.8- 7.45+2.55
66,86-8,66-1,34
Multiplicación y división: 0,25×16,2×4
0.25×32 ×0,125
2. 5 ×(4 +0,4) (1,25-0,125)×8
4,8×100,1
4,2×99
56,5×9,9+56,5
5.4×11-5.4
3.83×4.56+3.83×5.44
7.09×10.8-0.8×7.09
3.65× 4.7-36.5 ×0,37
13,7×0,25-3,7÷4
10,7×16,1-1,1×10,7 +10,7 ×5
4,9÷1,4
3.9÷(1.3×5)
63.4÷2.5÷0.4
(7.7+1.4)÷0.7
/shiti/HTML/ 9712.htm
Te daré esta URL nuevamente. Tiene 1700 palabras, de la clase de la Universidad Normal de Beijing
(Debería ser suficiente)