Multiplicación y división de problemas aritméticos de escuela primaria.

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

1.(1 1/2)(1 1/3)(1 1/4)......(1 1/100)

2.(1-1/2)(1-1/3)(1-1/4).... ..(1-1/100)

3.8 2-8 2

4.25*4/25*4

5.7.26-(5.26-1.5 )

6.286 198

7.314-202

8.526 301

9.223-99

10.6.25 3.85 -2.125 3.875

11.9-2456*21

12.0.5/11.5-4*2.75

13.1/2×3/5

14.3.375 5.75 2.25 6.625

15.1001-9036÷18

16.3.8×5.25 14.5

17.2.1*4.3 5.7*2.1 p>

18.30×1/3

19.102*45-328

20.2/3×12

21.2.8*3.1 17.6/ 8

22,3/5×5/6

23.(50-12,5)/2,5

24,2/5×1/3

25.6110*47 639

26.1/2-1/6

27.3.5*2.7-52.2/18

28.1/7×1/5

29.3.375*0.97 0.97*6.625

30.25×4/5

31.6.54 2.4 3.46 0.6

32.5 /6-1 /2

33.95.6*1.8 95.6*8.2

34.1/2×1/5

35.600-420/12

36,344/3,6-5,4*0,25

37,16/2 30/

2 90/6

38.3001-1998.

39.5000-105*34

40.0.15/0.25 0.75*1.2

41 .(1/2 1/3 1/4)*0.24

42.(25 4)*4

43.300-4263/21

44.0. 81/0.25 5.96

45.403÷13×27

46.1.5×4.2-0.75÷0.25

47.3.27×4 3.27×5.7

48.(1.2 1.8)×4.51025-768÷32

49.0.25×80-0.45÷0.9

50.1025-768÷32

51.0.25*2.69*4

52.2348 275*16

53.2/9*15/8-1/12*9/5

54.2. 4 2,4*(5,375-3,375)

55,645-45*12

56,0,15 1,2/0,24-0,45

57,3,75-(2,35 0,25/ 1.25)

58.76*1/4 23*25/100 0.25

59.10-2.87-7.13

60.0.96 9.6*9.9

61.7.5-5.7*1/3

62.12.37-3.25-6.75

63.16*6.8 2.2*16 16

64.401*19 284

65.58.7-16.65/3.7

66.0.4*4.7*2.5 (2.3 5.3)

67.9.31-1.125-7.875

68.640 128*45

69.8.2*1.6-0.336/4.2

70.400*(0.62 0.08)

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=103p>

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

p>

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×(15

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

Entrevistado: 370116-Líder de Artes Marciales Nivel 16 2-25 14:34

1. ..(1 1/100)

2.(1-1/2)(1-1/3)(1-1/4)......(1-1/ 100 )

3.8 2-8 2

4.25*4/25*4

5.7.26-(5.26-1.5)

6.286 198

7.314-202

8.526 301

9.223-99

10.6.25 3.85-2.125 3.875

11.9-2456 *21

12.0.5/11.5-4*2.75

13.1/2×3/5

14.3.375 5.75 2.25 6.625

15.1001-9036÷18

16.3.8×5.25 14.5

17.2.1*4.3 5.7*2.1

18.30×1/3

19.102*45-328

20.2/3×12

21.2.8*3.1 17.6/8

22.3/5×5/6

23.(50-12.5)/2.5

24.2/5×1/3

25.6110*47 639

26.1/ 2-1/6

27.3.5*2.7-52.2/18

28.1/7×1/5

29.3.375*0.97 0.97*6.625

30,25×4/5

31,6,54 2,4 3,46 0,6

32,5/6-1/2

33,95,6* 1.8 95.6*8.2

34.1/2×1/5

35.600-420/12

36.344/3.6-5.4*0.25

37.16/2 30/2 90/6

38.3001-1998.

39.5000-105*34

40.0.15/0.25 0.75*1.2

41.(1/2 1/3 1/4)*0.24

42.(25 4)*4

43.300-4263/21

44.0.81/0.25 5.96

45.403÷13×27

46.1.5×4.2-0.75÷0.25

47.3.27×4 3,27×5,7

48.(1,2 1,8)×4,51025-768÷32

49,0,25×80-0,45÷0,9

50,1025-768÷32

51.0.25*2.69*4

52.2348 275*16

53.2/9*15/8-1/12*9/5

54.2.4 2.4*(5.375-3.375)

55.645-45*12

56.0.15 1.2/0.24-0.45

57.3. 75-(2,35 0,25/1,25)

58,76*1/4 23*25/100 0,25

59,10-2,87-7,13

60,0,96 9,6* 9.9

61.7.5-5.7*1/3

62.12.37-3.25-6.75

63.16*6.8 2.2*16 16

64.401*19 284

65.58.

7-16.65/3.7

66.0.4*4.7*2.5 (2.3 5.3)

67.9.31-1.125-7.875

68.640 128*45 p>

69.8.2*1.6-0.336/4.2

70.400*(0.62 0.08)

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< /p >

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

p>

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

p>

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×(15

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