¿Cuáles son las respuestas a las preguntas de aritmética oral de las páginas 70 a 80 de la Editorial de Popularización Matemática de cuarto grado de escuela primaria (Parte 1)? Me quedan menos de 30 minutos.

1.45 15×6= 135

2.250÷5×8=400

3.6×5÷2×4=60

4.30×3 8=98

5.400÷4 20×5= 200

6.10 12÷3 20=34

7.(80÷20 80) ÷4=21

8.70 (100-10×5)=120

9.360÷40= 9

10.40×20= 800

11.80-25= 55

12.70 45=115

13.90×2= 180

14.16×6= 96

15.300 ×6= 1800

16.540÷9=60

17.30×20= 600

18.400÷4= 100

19.350-80 = 270

20.160 70=230

21.18-64÷8= 10

22.42÷6 20=27

23.40-5 ×7= 5

24.80 60÷3=100

25.41 18÷2= 50

26.75-11×5= 20

27.42 7-29= 20

28.5600÷80=70

29.25×16= 400

30.120×25= 3000

31.36×11= 396

32.1025÷25=41

33.336 70= 406

34.25×9×4= 900

35.200 -33×3= 101

36.3020-1010=2010

37.12×50= 600

38.25×8= 200

39.23 ×11= 253

40.125÷25=5

41.4200-2200=2000

42.220 80= 300

43.20×8× 5= 800

44.600-3×200=0

45.20 20÷2= 30

46.35-25÷5= 30

47,36 8-40= 4

48,2800÷40=70

49,98÷14 = 7

50,96÷24 = 4

51,56÷14 =4

52,65÷13 = 5

53,75÷15 = 5

54,120÷24 =5

55,200÷ 25 = 8

56.800÷16 = 50

57.840÷21 =40

58.560÷14 = 40

59.390÷13 = 30

60.600÷15 =40

61.72÷24 = 3

62.85÷17 = 5

63.90÷15 =6 <

/p>

64,96÷16 = 6

65,78÷26 = 4

66,51÷17 =3

67,80÷40 = 2

68.100÷20 = 5

69.100÷4 =25

70.240÷40 = 6

71.920÷4 = 230

72.300÷60=5

73.64÷2 = 32

74.64÷4 = 16

75.50÷5 =10

76,60÷8 = 7,5

77,96÷4 = 24

78,90÷6 =15

79,400 80 = 480

80,400-80 = 320

81.40×80 =3200

82.400÷80 = 5

83.48÷16 = 3

84.96÷24 =4

85.160×5= 800

86.4×250= 1000

87.0×518= 0

88.10×76= 760

p>

89.36×10=360

90.15×6= 90

91.24×3= 72

92.5×18= 90

93.26×4= 74

94.7×15=105

95.32×30= 960

96.40×15= 600

97.60×12= 720

98.23×30= 690

99.30×50=1500

100.5×700=350

2 /1*2=1 3/1*3=1 3/2*3=2 3/1*6=2

4/3*8=6 5/3* 20=12 7/ 3*14=6 8/7*40=35

4/3*16=12 9/5*27=15 2/1*30=15 12/7*24 =14

30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18

5/8*90= 144 99/98* 99=98 3/14*6=28 7/1*28=4

10/1*90=9 5/3*105=63 19/7*38=14 5/1*25 =5

8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8

9 /7*18= 14 25/7*100=28 9/5*81=45 8/9*16=18

123 25=148 123-35=88 56×7=392 135÷ 5=27

248 89=337 ... 146-23=123 ... 155×5=775 ... 456-12=38...

456 45 =501 ... 546-457=89 ... 45×10=451 ... 564-12=47...

879 54=933 ...896-546=350 .. .56×12= 672.... 45-5=9...

457 456=913...

7 14=21 ..

18-9=9...

8 16=24... 25-5=20...

9 18=27... 56-45=11 ...

10 20=30... 45-23=22...

11 22=33... 78-23=55...

12 24=36...

10-3=7

15-4=11

20-5=15

25-6=19

30-7=23

35-8=27

40-9=31

45-10=35

50-11=39

55-12=43

60-13=47

65-14=51

70-15=55

75-16=59

80-17=63

85- 18=67

90-19=71

95-20=75

100-21=79

105-22= 83

110-23=87

115-24=91

120-25=95

125-26=99

130-27=103

13 26=39...

14 28=42...

15 30=45 ...

16 32=48...

17 34=51...

18 36=54...

19 38=57...

20 40=60...

21 42=63...

22 44=66..

23 46=69...

24 48=72...

25 50=75...

26 52=78...

27 54=81...

28 56=84...

29 58=87...

30 60=90...

31 62=93...

32 64=96...

33 66 =99...

5 ÷1 =5

10 ÷2 =5

15 ÷3 =5

20 ÷ 4 =5

25 ÷5 =5

30 ÷6 =5

35 ÷7 =5

40 ÷8 = 5

45 ÷9 =5

50 ÷10 =5

55 ÷11 =5

60 ÷12 =5

65 ÷13 =5

70 ÷14 =5

75 ÷15 =5

80 ÷16 5

85 ÷17 5

90 ÷18 5

95 ÷19 5

100 ÷20 5

2/1 *2=1 3/1*3=1 3/2*3=2 3/1*6=2 4/3*8=6 5/3*20=12 7/3*14=6 8/7* 40=35 4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14 30/1*

30=1 51/9*102=18 19/9*76=36 4/9*8=18 5/8*90=144 99/98*99=98 3/14*6=28 7/1*28 =4 10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5 8/19*16=38 61/60*122=120 7/2*28= 8 6/1*48=8 9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18

12÷3/5=12 ×(5/3) 9÷6/7=9×(7/6) 30÷5/6=30×(6/5) 4×(3/2)=4÷2/3 (4)÷5 /7=4×7/5 3÷4/5=3×5/4 (24)÷7/16=24× (16/7) A÷C/B=A×B/C 4÷4/5 =5 6÷3/4=8 10÷2/5=25 18÷4/9=81/2 4×4/5=16/5 6×3/4=18/4 10×2/5=4 18×4/9=8 3÷3/4=4 2÷1/3=6 6÷4/5=15/2 1÷5/7=7/5 3/4÷3=1/4 1/ 3÷2=1/6 4/5÷6=2/15 5/7÷1=5/7

2/1*2=1 3/1*3=1 3/2* 3=2 3/1*6=2

4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35

4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14

30/1*30=1 51/9*102= 18 19/9*76=36 4/9*8=18

5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4

10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5

8/19*16=38 61 /60*122=120 7/2*28=8 6/1*48=8

9/7*18=14 25/7*100=28 9/5*81=45 8/ 9*16=18

17×40=680, 100-63=37, 3.2+1.68=4.88, 2.8×0.4= 1.12

14-7.4=6.6, 1.92 ÷ 0,04＝48, 0,32×500＝160, 0,65＋4,35＝5

10-5,4＝4,6, 4÷20＝0,2, 3,5×200＝700, 1,5-0,06＝1,44

0,75÷15＝0,05, 0,4×0,8＝0,32, 4×0,25＝1, 0,36＋1,54＝2

1,01×99＝99,99, 420÷35＝12, 25×12 = 300, 135÷0,5＝270

3/4 1/4 =1, 2 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2 = 1/4

1/6 1/2 -1/6 =1/2, 7.5-(2.5 3.8)=1.2, 7/8 3/8 =5/4

3/10 1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1,5

0,51÷17＝0,03, 32,8 + 19＝51,8, 5,2÷1,3＝4, 1,6×0,4＝

0,64

4,9×0,7＝3,43, 1÷5＝0,2, 6÷12＝0,5, 0,87－0,49＝0,38

26 -6 -64 = 20 -64 = -44

27 3 -48 = 30 -48 = -18

28 12 -32 = 40 -32 = 8

29 21 -16 = 50 -16 = 34

30 30 0 = 60 0 = 60

31 39 16 = 70 16 = 86

32 48 32 = 80 32 = 112

33 57 48 = 90 48 = 138

34 66 64 = 100 64 = 164

35 75 80 = 110 80 = 190

36 84 96 = 120 96 = 216

37 93 112 = 130 112 = 242

38 102 128 = 140 128 = 268

39 111 144 = 150 144 = 294

40 -30 -140 = 10 -140 = -130

41 -21 -124 = 20 -124 = -104

42 -12 -108 = 30 -108 = -78

43 -3 -92 = 40 -92 = -52

44 6 -76 = 50 -76 = -26

45 15 -60 = 60 -60 = 0

46 24 -44 = 70 -44 = 26

47 33 -28 = 80 -28 = 52

48 42 -12 = 90 -12 = 78

49 51 4 = 100 4 = 104

50 60 20 = 110 20 = 130

51 69 36 = 120 36 = 156

52 78 52 = 130 52 = 182

53 87 68 = 140 68 = 208

54 96 84 = 150 84 = 234

55 -45 -200 = 10 -200 = -190

56 -36 -184 = 20 -184 = -164

57 -27 -168 = 30 -168 = -138

58 -18 -152 = 40 -152 = -112

59 -9 -136 = 50 -136 = -86

60 0 -120 = 60 -120 = -60

61 9 -104 = 70 -104 = -34

62 18 -88 = 80 -88 = -8

63 27 -72 = 90 -72 = 18

>

64 36 -56 = 100 -56 = 44

65 45 -40 = 110 -40 = 70

66 54 -24 = 120 -24 = 96

p>

67 63 -8 = 130 -8 = 122

68 72 8 = 140 8 = 148

69 81 24 = 150 24 = 174

70 -60 -260 = 10 -260 = -250

71 -51 -244 = 20 -244 = -224

72 -42 -228 = 30 -228 = -198

73 -33 -212 = 40 -212 = -172

74 -24 -196 = 50 -196 = -146

1.45 15× 6= 135

2.250÷5×8=400

3.6×5÷2×4=60

4.30×3 8= 98

5.400÷4 20×5= 200

6.10 12÷3 20=34

7.(80÷20 80)÷4=21

8.70 (100-10×5)=120

9.360÷40= 9

10.40×20= 800

11.80-25 = 55

12.70 45=115

13.90×2= 180

14.16×6= 96

15.300×6= 1800

16.540÷9=60

17.30×20= 600

18.400÷4= 100

19.350-80= 270

20.160 70=230

21.18-64÷8= 10

22.42÷6 20=27

23.40-5×7= 5

24.80 60÷3=100

25.41 18÷2= 50

26.75-11×5= 20

27.42 7-29 = 20

28.5600÷80=70

29.25×16= 400

30.120×25= 3000

31.36×11= 396

32.1025÷25=41

33.336 70= 406

34.25×9×4= 900

35.200-33×3= 101

36.3020-1010=2010

37.12×50= 600

38.25×8= 200

39.23×11= 253

40.125÷25=5

41.4200-2200=2000

42.220 80= 300

43.20×8×5= 800

44.600-3×200=0

45.20 20÷2= 30

46.35-25÷5= 30

47.36 8-40 = 4 <

/p>

48.2800÷40=70

49.98÷14 = 7

50.96÷24 = 4

51.56÷14 =4

52.65÷13 = 5

53.75÷15 = 5

54.120÷24 =5

55.200÷25 = 8

56.800÷16 = 50

57.840÷21 =40

58.560÷14 = 40

59.390÷13 = 30

60.600÷15 =40

61.72÷24 = 3

62.85÷17 = 5

63.90÷15 =6

64.96÷ 16 = 6

65,78÷26 = 4

66,51÷17 =3

67,80÷40 = 2

68,100÷20 = 5

69.100÷4 =25

70.240÷40 = 6

71.920÷4 = 230

72.300÷60=5

73,64÷2 = 32

74,64÷4 = 16

75,50÷5 =10

76,60÷8 = 7,5

77.96÷4 = 24

78.90÷6 =15

79.400 80 = 480

80.400-80 = 320

81.40×80 =3200

82.400÷80 = 5

83.48÷16 = 3

84.96÷24 =4

85.160 ×5= 800

86,4×250= 1000

87,0×518= 0

88,10×76= 760

89,36×10 =360

90.15×6= 90

91.24×3= 72

92.5×18= 90

93.26×4= 74

94,7×15=105

95,32×30= 960

96,40×15= 600

97,60×12= 720

p>

98.23×30= 690

99.30×50=1500

100.5×700=3500

25 -15 - 80 = 10 -80 = -70

26 -6 -64 = 20 -64 = -44

27 3 -48 = 30 -48 = -18

28 12 - 32 = 40 -32 = 8

29 21 -16 = 50 -16 = 34

30 30 0 = 60 0 = 60

31 39 16 = 70 16 = 86

32 48 32 = 80 32 = 112

33 57 48 = 90 48 = 138

34 66

64 = 100 64 = 164

35 75 80 = 110 80 = 190

36 84 96 = 120 96 = 216

37 93 112 = 130 112 = 242

38 102 128 = 140 128 = 268

39 111 144 = 150 144 = 294

40 -30 -140 = 10 -140 = -130

41 -21 -124 = 20 -124 = -104

42 -12 -108 = 30 -108 = -78

43 -3 -92 = 40 -92 = -52

44 6 -76 = 50 -76 = -26

45 15 -60 = 60 -60 = 0

46 24 -44 = 70 -44 = 26

47 33 -28 = 80 -28 = 52

48 42 -12 = 90 -12 = 78

49 51 4 = 100 4 = 104

50 60 20 = 110 20 = 130

51 69 36 = 120 36 = 156

52 78 52 = 130 52 = 182

53 87 68 = 140 68 = 208

54 96 84 = 150 84 = 234

55 -45 -200 = 10 -200 = -190

56 -36 -184 = 20 -184 = -164

57 -27 -168 = 30 -168 = -138

58 -18 -152 = 40 -152 = -112

59 -9 -136 = 50 -136 = -86

60 0 -120 = 60 -120 = -60

61 9 -104 = 70 -104 = -34

62 18 -88 = 80 -88 = -8

63 27 -72 = 90 -72 = 18

64 36 -56 = 100 -56 = 44

65 45 -40 = 110 -40 = 70

66 54 -24 = 120 -24 = 96

67 63 -8 = 130 -8 = 122

68 72 8 = 140 8 = 148

69 81 24 = 150 24 = 174

70 -60 -260 = 10 -260 = -250

71 -51 -244 = 20 -244 = -224

72 -42 -228 = 30 - 228 = -198

73 -33 -212 = 40 -212 = -17

2

74 -24 -196 = 50 -196 = -146

2,8×0,4＝ 1,12

14－7,4＝6,6,

1.92÷0.04＝48,

0.32×500＝160,

0.65＋4.35＝ 5

10－5.4＝4.6,

4÷20＝0.2,

3.5×200＝700,

1.5－0.06＝1.44

0.75÷15＝0.05,

p>

0.4×0.8＝0.32,

4×0.25＝1,

0.36+1.54＝2

1.01× 99＝99.99,

420÷35＝12,

25×12＝300,

135÷0.5＝270

3 /4 1/ 4 =1,

2 4/9 =22/9,

3 - 2/3 =7/3,

3/ 4 - 1/ 2= 1/4

1/6 1/2 -1/6 =1/2,

7.5-(2.5 3.8)=1.2,

7/8 3/8 =5/4

3/10 1/5 =1/2,

4/5 - 7/10 =1 /10,

2 - 1/6 -1/3 =1,5

0,51÷17＝0,03,

32,8+19＝51,8,

5.2÷1.3 =4,

1.6×0.4＝0.64

4.9×0.7＝3.43,

1÷5＝0.2,

6÷ 12＝0.5,

0.87-0.49＝0.38

2/1*2=1

3/1*3=1

3/2*3=2

3/1*6=2

4/3*8=6

5 /3*20=12

7/3*14=6

8/7*40=35

4/3*16=12

9 /5*27=15

2/1*30=15

12/7*24=14

30/1 *30=1

p>

51/9*102=18

19/9*76=36

4/9*8= 18

5/8 *90=144

99/98*99=98

3/14*6=28

7/1*28=4

10/1*90=9

5/3*105=63

19/7*38=14

5/1*25 =5

8/19*16=38

61/60*122=120

7/ 2*28=8 6/1*48= 8

9/7*18=14

25/7*100=28

9/5 *81=45 8/9*16=18

2/1*2=1

3/1*3=1

3/2* 3=2

3 /1*6=2

4/3*8=6

5/3*20=12

7/3*14=

6

8/7*40=35

4/3*16=12

9/5*27=15

2/1*30=15

12/7*24=14

30/1*30=1

51/9*102=18

19/9*76=36

4/9*8=18

5/8*90=144

99/ 98*99=98

3/14*6=28

7/1*28=4

10/1*90=9

5/3*105=63

19/7*38=14

5/1*25=5

8/19* 16=38

61/60*122=120

7/2*28=8

6/1*48=8

9/7*18=14

25/7*100=28

9/5*81=45

8/9*16= 18

12÷3/5=12×(5/3)

9÷6/7=9×(7/6)

30÷ 5/6=30×（6/5）

4×（3/2）=4÷2/3

4÷5/7=4×7/5

3÷4/5=3×5/4

24÷7/16=24× (16/7)

A÷C/B= A×B/C

4÷4/5=5

6÷3/4=8

10÷2/5=25

18÷4/9=81/2

4×4/5=16/5

6×3/4=18/4

10×2/5=4

18×4/9=8

3÷3/4=4

2÷1/3= 6

6÷4/5=15/2

1÷5/7=7/5

3/4÷3=1/4

1/3÷2=1/6

4/5÷6=2/15

5/7÷1=5/7

2/1*2=1

3/1*3=1

3/2*3=2

3/1* 6=2

4/3*8=6

5/3*20=12

7/3*14=6

8/7*40=35

4/3*16=12

9/5*27=15

2/1*30= 15

12/7*24=14

30/1*30=1

51/9*102=18

19/9*76=36

4/9*8=18

5/8*90=144

99/98*99=98

3/14*6=28

7/1*28=4

10/1*90=9

5/ 3*105=63

19/7*38=14

5/1*25=5

8/19*16=38

61/60*122=120

7/2*28=8

6/1*48=8

9/7* 18=14

25/7*100=28

9/

5*81=45

8/9*16=18

123 25=148 123-35=88 56×7=392 135÷5=27

248 89=337 ... 146-23=123 ... 155×5=775 ... 456-12=38...

456 45=501 ...546-457 =89 ... 45×10=451 ... 564-12=47...

879 54=933 ...896-546=350 ...56×12=672.. .. 45-5=9...

457 456=913...

7 14=21... 18-9=9...

8 16=24... 25-5=20...

9 18=27... 56-45=11...

10 20= 30... 45-23=22...

11 22=33... 78-23=55...

12 24=36...

p>

10-3=7

15-4=11