¿Qué es más difícil, el 408 o el 835?

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 Oral Calcula los siguientes problemas.

(1)58+42= (2)87-45= (3)125×8=

(4)50×12= (5)804÷4= ( 6)134+66=

(7)1000-98= (8)720÷5= (9)0÷47=

2 Complete las siguientes preguntas primero. luego cuenta.

(1)168+36-36+32=

(2)153-5×14+83=

(3)50×5÷ 50×5=

4. Calcula usando un método simple:

(1)3786-499

(2)32×25×125

(3)1653-338-662

(4)7987+352013+450

(5)38×38+62×38

(6)452+99×452

(7)201×79

(8)50×125×4×8

5. Calcula los siguientes problemas:

(1)340×(120-40÷8)

(2)45×(720-1957÷19)

( 3)86+[450(2088÷36)÷2]

(4)396×[74-(4875÷15-13×21)]

(5 ) [1054-(174-168)]÷8

(6)6048÷[(107-99)×9]

Cálculo de salida.

408-12×24 (46+28)×60 42×50-1715÷5

32+105÷5 (108+47)×52 420×(327- 238)

(4121+2389)÷7 671×15-974 469×12+1492

405×(3213-3189) 5000-56×23 125×(97- 81)

6942+480÷3 304×32-154 280÷4-20=

100÷(32-30)×0= 25×4-12× 5=

70×[(42-42)÷18]= 75×65+75×35=

Utiliza un método sencillo para calcular las siguientes preguntas

1. 89+124+11+26+48 2. 875-147-23

3.25×125×40×8 4. 147×8+8×53

5, 125×64 6, 0.9+1.08+0.92+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.

1.28840÷24×5 2.85×(95-1440÷24)

3.58870÷(105+20×2) 4.80400-(430870÷15)

p>

5.1437×27+27×563 6.81432÷(13×52+78)

7.125×(33-1) 8.37.4-(8.6+7.24-6.6 )

Haz los cálculos.

(1:1)

(1)156×107-7729 (2)37,85-(7,85+6,4)

(3)287×5+96990÷318 (4) 1554÷[(72-58)×3]

No incluido

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< /p >

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

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 – 21/10 )

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

34.5160÷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)

42 (6,8-6,8×0,55)÷8,5

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)= 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 p>

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

34.5160÷40

35.120-144÷18+35

36.347+45×2-4160÷52

37(58+37)÷(64-9×5)

38.95÷(64-45)< /p >

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.(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

p>

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< /p >

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. 3

3. 2/9+1/2÷4/5+3/8

4. p>5. 1/2×2/5+9/10÷9/20

6. 7. 1/2+1/4×4/5-1/8

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, 1/2+3/4× 5/ 12×4/5

12. 8/9×3/4-3/8÷3/4

13. 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

(10

1309+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

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

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)

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 p>

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

">