Preguntas de ejercicio para multiplicar fracciones por números enteros

1. 3/7 × 49/9 - 4/3

2. × 5/6 – 2/9 ×3

4.8× 5/4 + 1/4

5. p>

6.4/7 × 5/9 + 3/7 × 5/9

7. >8. 7/8 + ( 1/8 + 1/9 )

9 × 5/6 + 5/6

10. - 1/3

11. 7×5/49 + 3/14

12. 8 × 4/5 + 8 × 11/5

14 × 5/6 – 5/6

15. 21 )

16. 5/9 × 18 – 14 × 2/7

17.

18.14 × 8/7 – 5/6 × 12/15

19.32 – 3/4 × 9/24

20. /9 + 1/3

21. 5/7 × 3/25 + 3/7

22. >

23. 1/5 × 2/3 + 5/6

24 9/22 + 1/11 ÷ 1/2

25. 11/5 + 4/3

26. 45 × 2/3 + 1/3 × 15

27. >

28. 1/4 + 3/4 ÷ 2/3

29.8/7 × 21/16 + 1/2

30. 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)+4,2×3,74p>

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

121 - 111 ÷ 37

(121 - 111 ÷ 37) × 5

280 + 650 ÷ 13

1000 - (280 + 650 ÷ 13)

707 - 35 × 20

(120 - 103) × 50

760 ÷ 10 ÷ 38

(95 - 19 × 5) ÷74

45 × 20 × 3

(270 ＋ 180) ÷ (30 - 15)