Quinto grado, primer volumen, aritmética oral, practica respuestas todos los días

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

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 p>

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*25/100,25

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

68.64128*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

Sin decimales

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...

120=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...

240=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...

360=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×(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

Cálculo verbal y cálculo directo:

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+1/2)(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

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*25/100.25

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

68.64128*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