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FRACCIONES. EJERCICIOS...

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Perguntas do quiz (17)

1
CUESTIONES ...
========================
FRACCIONES o Q[blank_start]UEBRADOS[blank_end].
TÉRMINOS: N[blank_start]UMERADOR[blank_end] y D[blank_start]ENOMINADOR[blank_end].
Una FRACCIÓN indica una p[blank_start]artición[blank_end] en partes i[blank_start]guales[blank_end],
y equivale a una d[blank_start]ivisión[blank_end].
El TÉRMINO 1º se nombra con su C[blank_start]ARDINAL[blank_end].
El TÉRMINO 2º se nombra:
... Si es 2: m[blank_start]edio[blank_end]/s.
... Si es 3: t[blank_start]ercio[blank_end]/s.
... De 4 A 10: su o[blank_start]rdinal[blank_end].
... >10: su c[blank_start]ardinal[blank_end]+[blank_start]avo[blank_end]/s.
1. AUEBRADOS
2. BUMERADOR
3. CENOMINADOR
4. Dartición
5. Eguales
6. Fivisión
7. GARDINAL
8. Hedio
9. Iercio
10. Jrdinal
11. Kardinal
12. Lavo
2MÁS CUESTIONES ...
========================
FRACCIÓN PROPIA: N[blank_start]umerador[blank_end] < D[blank_start]enominador[blank_end].
... Ejemplos: [blank_start]1[blank_end]/2, 1/3, [blank_start]2[blank_end]/3 ...
FRACCIÓN IMPROPIA: Numerador [blank_start]>[blank_end] Denominador.
... Ejemplos: 3/[blank_start]2[blank_end], [blank_start]4[blank_end]/3. 5/3 ...
... Se puede expresar con número m[blank_start]ixto[blank_end].
NÚMERO MIXTO: E[blank_start]ntero[blank_end] + F[blank_start]racción[blank_end] [blank_start]propia[blank_end].
... Ejemplos: 3\(\frac{1}{4}\) = [blank_start]3[blank_end] + [blank_start]1/4[blank_end] = [blank_start]13/4[blank_end]
... ... ... ... 2\(\frac{3}{5}\) = [blank_start]2[blank_end] + [blank_start]3/5[blank_end] = [blank_start]13/5[blank_end]
1. Aumerador
2. Benominador
3. C1
4. D2
5. E>
6. F2
7. Gixto
8. Hntero
9. Iracción
10. Jpropia
11. K3
12. L1/4
13. M13/4
14. N2
15. O3/5
16. P13/5
17. Q4
3FRACCIONES ...
1. A5/8
2. B5/6
3. C1/6
4. D3/8
5. E2/7
6. F1/2
7. G1/3
8. H4/9
9. I1/4
10. J1/2
11. K3/10
12. L1/3
13. M1/8
14. N5/6
15. O7/10
16. P1/6
17. Q2/5
18. R3/5
19. S3/4
20. T3/4
4NOMBRAR · FRACCIONES ...
=======================
1/2 = un [blank_start]medio[blank_end] ... ... ... 2/3 = dos [blank_start]tercios[blank_end]
3/4 = tres [blank_start]cuartos[blank_end] ... ... 2/5 = [blank_start]dos[blank_end] [blank_start]quintos[blank_end]
5/6 = cinco [blank_start]sextos[blank_end] ... ... 3/7 = [blank_start]tres[blank_end] [blank_start]séptimos[blank_end]
1/8 = [blank_start]un[blank_end] [blank_start]octavo[blank_end] ... ... ... 7/9 = [blank_start]siete[blank_end] [blank_start]novenos[blank_end]
3/10 = [blank_start]tres[blank_end] [blank_start]décimos[blank_end] ... 9/11 = [blank_start]nueve[blank_end] [blank_start]onceavos[blank_end]
8/15 = [blank_start]ocho[blank_end] [blank_start]quinceavos[blank_end] ... 12/23 = [blank_start]doce[blank_end] [blank_start]veintitresavos[blank_end]
15/97 = [blank_start]quince[blank_end] [blank_start]noventaisieteavos[blank_end]
1. Amedio
2. Bcuartos
3. Ctercios
4. Dquintos
5. Esextos
6. Fséptimos
7. Goctavo
8. Hnovenos
9. Idécimos
10. Jonceavos
11. Kquinceavos
12. Lveintitresavos
13. Mnoventaisieteavos
14. Ndos
15. Otres
16. Pun
17. Qtres
18. Rsiete
19. Snueve
20. Tocho
21. Udoce
22. Vquince
5FRACCIÓN en RECTA NUMÉRICA ...
============================
0--,--,--,--,--|--,--,--,--,--1--,--,--,--,--|--,--,--,--,--2--,--,--,--,--|--,--,--,--,--3
. . . . .^ . . . ^ . . . . ^.^ . . . . ^ . . . . ^ . . . . . . . . . . . . ^ . . . ^
1º => [blank_start]1/4[blank_end] ... ... 2º => [blank_start]1/2[blank_end] ... ... 3º => [blank_start]4/5[blank_end] ... 4ª => [blank_start]9/10[blank_end]
5º => [blank_start]6/5[blank_end] ... ... 6º => [blank_start]3/2[blank_end] ... ... 7º => [blank_start]9/4[blank_end] ... 8º => [blank_start]5/2[blank_end]
1. A1/4
2. B1/2
3. C4/5
4. D9/10
5. E6/5
6. F3/2
7. G9/4
8. H5/2
6ORDENAR fracciones de [menor] a [mayor] ...
=====================================
\(\frac{1}{2}\) , \(\frac{2}{3}\) , \(\frac{3}{5}\) , \(\frac{3}{4}\)
1·3·5·4 , [blank_start]2[blank_end]·[blank_start]2[blank_end]·[blank_start]5[blank_end]·[blank_start]4[blank_end] , [blank_start]3[blank_end]·[blank_start]2[blank_end]·[blank_start]3[blank_end]·[blank_start]4[blank_end] , [blank_start]3[blank_end]·[blank_start]2[blank_end]·[blank_start]3[blank_end]·[blank_start]5[blank_end]
[blank_start]60[blank_end] , [blank_start]80[blank_end] , [blank_start]72[blank_end] , [blank_start]90[blank_end]
[blank_start]1/2[blank_end] < [blank_start]3/5[blank_end] < [blank_start]2/3[blank_end] < [blank_start]3/4[blank_end]
1. A2
2. B2
3. C5
4. D4
5. E3
6. F2
7. G3
8. H4
9. I3
10. J2
11. K3
12. L5
13. M60
14. N80
15. O72
16. P90
17. Q1/2
18. R3/5
19. S2/3
20. T3/4
7MAYOR (>) o MENOR (<)
====================
1/2 [blank_start]>[blank_end] 2/5 . . . 1/4 [blank_start]<[blank_end] 2/7
2/3 [blank_start]<[blank_end] 3/4 . . . 2/3 [blank_start]>[blank_end] 4/7
3/5 [blank_start]>[blank_end] 4/7 . . . 1/3 [blank_start]<[blank_end] 2/5
2/3 [blank_start]<[blank_end] 5/7 . . . 2/5 [blank_start]<[blank_end] 3/7
1/2 [blank_start]<[blank_end] 4/7 . . . 3/4 [blank_start]>[blank_end] 5/7
2/3 [blank_start]>[blank_end] 3/5 . . . 3/4 [blank_start]<[blank_end] 4/5
1/2 [blank_start]<[blank_end] 3/5 . . . 4/5 [blank_start]>[blank_end] 5/7
1. A>
2. B<
3. C>
4. D<
5. E>
6. F<
7. G>
8. H<
9. I>
10. J<
11. K>
12. L<
13. M>
14. N<
15. O>
16. P<
17. Q>
18. R<
19. S>
20. T<
21. U>
22. V<
23. W>
24. X<
25. Y>
26. Z<
27. AA>
28. AB<
8MIXTO a FRACCIÓN IMPROPIA ...
===========================
1\(\frac{2}{3}\) = [blank_start]5[blank_end] / [blank_start]3[blank_end]
2\(\frac{3}{4}\) = [blank_start]11[blank_end] / [blank_start]4[blank_end]
3\(\frac{1}{5}\) = [blank_start]16[blank_end] / [blank_start]5[blank_end]

FRACCIÓN IMPROPIA a MIXTO ...
===========================
\(\frac{3}{2}\) = [blank_start]1[blank_end] + [blank_start]1/2[blank_end]
\(\frac{11}{3}\) = [blank_start]3[blank_end] + [blank_start]2/3[blank_end]
\(\frac{20}{7}\) = [blank_start]2[blank_end] + [blank_start]6/7[blank_end]
1. A5
2. B3
3. C11
4. D4
5. E16
6. F5
7. G1
8. H1/2
9. I3
10. J2/3
11. K2
12. L6/7
9FRACCIÓN a DECIMAL ...
====================
\(\frac{3}{5}\) = 0,[blank_start]6[blank_end] ... ... \(\frac{1}{2}\) = 0,[blank_start]5[blank_end]
\(\frac{5}{8}\) = 0,[blank_start]625[blank_end] ... \(\frac{3}{4}\) = 0,[blank_start]75[blank_end]
\(\frac{5}{4}\) = [blank_start]1,25[blank_end] ... \(\frac{9}{5}\) = [blank_start]1,8[blank_end]

DECIMAL EXACTO a FRACCIÓN ...
===========================
0,4 = 4/10 = [blank_start]2/5[blank_end] ... ... ... ... 0,8 = [blank_start]8/10[blank_end] = [blank_start]4/5[blank_end]
0,65 = [blank_start]65[blank_end]/100 = [blank_start]13/20[blank_end] ... 0,375 = [blank_start]375[blank_end]/1000 = [blank_start]3/8[blank_end]
3,4 = [blank_start]34/10[blank_end] = [blank_start]17/5[blank_end] ... ... 2,75 = [blank_start]275/100[blank_end] = [blank_start]11/4[blank_end]
1. A6
2. B5
3. C625
4. D75
5. E1,25
6. F1,8
7. G2/5
8. H8/10
9. I4/5
10. J65
11. K13/20
12. L375
13. M3/8
14. N34/10
15. O17/5
16. P275/100
17. Q11/4
10DECIMAL PERIÓDICO (N) a FRACCIÓN ...
==============================
2,\(\stackrel{\frown}{3}\) => Nx10 – N
23,3... – 2,3... = [blank_start]21[blank_end] => [blank_start]21[blank_end]/(10-1) = [blank_start]21/9[blank_end] = [blank_start]7/3[blank_end]
3,\(\stackrel{\frown}{15}\) => Nx100 – N
315,15... – 3,15... = [blank_start]312[blank_end] => [blank_start]312[blank_end]/(100-1) = [blank_start]312/99[blank_end] = [blank_start]104/33[blank_end]
0,6\(\stackrel{\frown}{1}\) => Nx100 – Nx10
61,1... – 6,1... = [blank_start]55[blank_end] => [blank_start]55[blank_end]/(100-10) = [blank_start]55/90[blank_end] = [blank_start]11/18[blank_end]
1. A21
2. B21
3. C21/9
4. D7/3
5. E312
6. F312
7. G312/99
8. H104/33
9. I55
10. J55
11. K55/90
12. L11/18

11FRACCIÓN de CANTIDAD ...
======================
1/2 de 34 = 34 : 2 x 1 = [blank_start]17[blank_end]
3/4 de 76 = [blank_start]76[blank_end] : [blank_start]4[blank_end] x [blank_start]3[blank_end] = [blank_start]19[blank_end] x [blank_start]3[blank_end] = [blank_start]57[blank_end]
2/5 de 80 = [blank_start]80[blank_end] : [blank_start]5[blank_end] x [blank_start]2[blank_end] = [blank_start]32[blank_end]
5/8 de 1.000 = 1.000 : [blank_start]8[blank_end] x [blank_start]5[blank_end] = [blank_start]625[blank_end]
1. A17
2. B76
3. C4
4. D3
5. E19
6. F3
7. G57
8. H80
9. I5
10. J2
11. K32
12. L8
13. M5
14. N625
12FRACCIÓN de CANTIDAD ...
=======================
2/3 de 21 = [blank_start]14[blank_end] . . . 2/5 de 30 = [blank_start]12[blank_end]
1/2 de 32 = [blank_start]16[blank_end] . . . 5/6 de 24 = [blank_start]20[blank_end]
3/5 de 45 = [blank_start]27[blank_end] . . . 3/7 de 49 = [blank_start]21[blank_end]
1/6 de 42 = [blank_start]7[blank_end] . . . . 1/4 de 60 = [blank_start]15[blank_end]
5/7 de 42 = [blank_start]30[blank_end] . . . 4/5 de 40 = [blank_start]32[blank_end]
3/4 de 100=[blank_start]75[blank_end] . . . 1/3 de 27 = [blank_start]9[blank_end]
1. A14
2. B12
3. C16
4. D20
5. E27
6. F21
7. G7
8. H15
9. I30
10. J32
11. K75
12. L9
13SUMA de FRACCIONES ....
=====================
\(\frac{2}{3}\) + \(\frac{3}{5}\) = \(\frac{2·5+3·3}{3·5}\) = ([blank_start]10[blank_end]+[blank_start]9[blank_end]) / [blank_start]15[blank_end] = [blank_start]19/15[blank_end]
\(\frac{1}{5}\) + \(\frac{3}{4}\) + \(\frac{2}{3}\) = ([blank_start]1[blank_end]·[blank_start]4[blank_end]·[blank_start]3[blank_end]+[blank_start]3[blank_end]·[blank_start]5[blank_end]·[blank_start]3[blank_end]+[blank_start]2[blank_end]·[blank_start]5[blank_end]·[blank_start]4[blank_end]) / [blank_start]5[blank_end]·[blank_start]4[blank_end]·[blank_start]3[blank_end] = ([blank_start]12[blank_end]+[blank_start]45[blank_end]+[blank_start]40[blank_end]) / [blank_start]60[blank_end] = [blank_start]97/60[blank_end]

RESTA de FRACCIONES ...
=====================
\(\frac{2}{3}\) – \(\frac{3}{5}\) = \(\frac{2·5–3·3}{3·5}\) = ([blank_start]10[blank_end]–[blank_start]9[blank_end]) / [blank_start]15[blank_end] = [blank_start]1/15[blank_end]
\(\frac{1}{5}\) – \(\frac{3}{4}\) + \(\frac{2}{3}\) = ([blank_start]1[blank_end]·[blank_start]4[blank_end]·[blank_start]3[blank_end]–[blank_start]3[blank_end]·[blank_start]5[blank_end]·[blank_start]3[blank_end]+[blank_start]2[blank_end]·[blank_start]5[blank_end]·[blank_start]4[blank_end]) / [blank_start]5[blank_end]·[blank_start]4[blank_end]·[blank_start]3[blank_end] = ([blank_start]12[blank_end]–[blank_start]45[blank_end]+[blank_start]40[blank_end]) / [blank_start]60[blank_end] = [blank_start]7/60[blank_end]
1. A15
2. B19/15
3. C1
4. D4
5. E3
6. F3
7. G5
8. H3
9. I2
10. J5
11. K5
12. L4
13. M3
14. N12
15. O45
16. P40
17. Q60
18. R97/60
19. S15
20. T1/15
21. U1
22. V4
23. W3
24. X3
25. Y5
26. Z3
27. AA2
28. AB5
29. AC4
30. AD5
31. AE4
32. AF3
33. AG12
34. AH45
35. AI40
36. AJ60
37. AK7/60
38. AL4
39. AM10
40. AN9
41. AO10
42. AP9
14MULTIPLICAR y DIVIDIR ...
=====================
\(\frac{2}{5}\) x \(\frac{3}{4}\) = \(\frac{2·3}{5·4}\) = [blank_start]6[blank_end] / [blank_start]20[blank_end] = [blank_start]3/10[blank_end]
\(\frac{2}{5}\) : \(\frac{3}{4}\) = \(\frac{2}{5}\) x \(\frac{4}{3}\) = [blank_start]2[blank_end] · [blank_start]4[blank_end] / [blank_start]5[blank_end] · [blank_start]3[blank_end] = [blank_start]8/15[blank_end]
1. A6
2. B20
3. C3/10
4. D2
5. E4
6. F5
7. G3
8. H8/15
15OTRAS CUESTIONES ...
===================
3/4 de hora = 3/4 x [blank_start]60[blank_end] min = [blank_start]60[blank_end] : [blank_start]4[blank_end] x [blank_start]3[blank_end] = [blank_start]15[blank_end] x [blank_start]3[blank_end] = [blank_start]45[blank_end] minutos.
1/5 de litro = 1/5 de [blank_start]100[blank_end] cl = [blank_start]1/5[blank_end] x [blank_start]100[blank_end] = [blank_start]100[blank_end] : [blank_start]5[blank_end] x [blank_start]1[blank_end] = [blank_start]20[blank_end] cl
Cuarto y mitad de kg = \(\frac{1}{4}\) + \(\frac{1}{2}\)x\(\frac{1}{4}\) = [blank_start]1/4[blank_end]+[blank_start]1/8[blank_end] = ([blank_start]8+4[blank_end])/([blank_start]4x8[blank_end]) = [blank_start]12/32[blank_end] = [blank_start]3/8[blank_end]
En gramos: [blank_start]3/8[blank_end] x 1.000 g = 1.000 : [blank_start]8[blank_end] x [blank_start]3[blank_end] = [blank_start]375[blank_end] g
1. A60
2. B60
3. C4
4. D3
5. E15
6. F3
7. G45
8. H100
9. I1/5
10. J100
11. K100
12. L5
13. M1
14. N20
15. O1/4
16. P1/8
17. Q8+4
18. R4x8
19. S12/32
20. T3/8
21. U3/8
22. V8
23. W3
24. X375
16PROBLEMAS con FRACCIONES ...
===========================
Una huerta tiene plantados 1/4 de tomates, 2/5 de pimientos y el resto, 280 m², de patatas.
¿Qué fracción hay plantada de patatas? ¿Cuál es la superficie total de la huerta?
[blank_start]1/4[blank_end] + [blank_start]2/5[blank_end] = [blank_start]13/20[blank_end]
[blank_start]1[blank_end] – [blank_start]13/20[blank_end] = [blank_start]7/20[blank_end] de patatas.
[blank_start]7/20[blank_end] = 280 => [blank_start]280[blank_end] : [blank_start]7[blank_end] x [blank_start]20[blank_end] = [blank_start]800[blank_end] m² superficie de la [blank_start]huerta[blank_end].

Un paso equivale a 3/5 de metro.
¿Qué distancia recorre con 1.000 pasos?
¿Cuántos pasos debe dar para recorrer una distancia de kilómetro y medio?
1.000 x [blank_start]3/5[blank_end] = [blank_start]600[blank_end] [blank_start]metros[blank_end].
kilómetro y medio => 1.000 + [blank_start]1/2[blank_end] x 1.000 = [blank_start]1.500[blank_end] [blank_start]metros[blank_end]
1.500 : [blank_start]3/5[blank_end] => 1.500 x [blank_start]5/3[blank_end] = [blank_start]2.500[blank_end] [blank_start]pasos[blank_end].
1. A1/4
2. B2/5
3. C13/20
4. D1
5. E13/20
6. F7/20
7. G7/20
8. H280
9. I7
10. J20
11. K800
12. Lhuerta
13. M3/5
14. N600
15. O1/2
16. P1.500
17. Qmetros
18. R3/5
19. S5/3
20. T2.500
21. Upasos
22. Vmetros
17¿Qué FRACCIÓN de HORA representan? ...
==================================
... ... 5 minutos => 5/60 [:5] = [blank_start]1/12[blank_end]
... 10 minutos => 10/60 [:10] =[blank_start]1/6[blank_end]
... 15 minutos => 15/60 [:15] =[blank_start]1/4[blank_end]
... 20 minutos => 20/60 [:20] =[blank_start]1/3[blank_end]
... 30 minutos => 30/60 [:30] =[blank_start]1/2[blank_end]
... 40 minutos => 40/60 [:20] =[blank_start]2/3[blank_end]
... 45 minutos => 45/60 [:15] =[blank_start]3/4[blank_end]
... 50 minutos => 50/60 [:10] =[blank_start]5/6[blank_end]
1. A1/12
2. B1/6
3. C1/4
4. D1/3
5. E1/2
6. F2/3
7. G3/4
8. H5/6

Informações

Descrição: Diversos EJERCICIOS con FRACCIONES ...
Autor: Usuário eliminado
Idioma: English
Visualizações: 45
Histórico: Criado em 17 abr 2019 · atualizado em 17 abr 2019
Etiquetas: ulises cadenas matemáticas fracciones ejercicios o usuário eliminou as informações de disciplina
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FRACCIONES. EJERCICIOS...

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