Abacus level-6 (mul 1by4 2by2)

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Abacus Competition

Abacus Level -6 (mul 2 by 2 and 1 by 4 )

1 / 75

84 X 6

2 / 75

20 X 5

3 / 75

41 X 6

4 / 75

48 X 5

5 / 75

18 X 8

6 / 75

33 X 5

7 / 75

55 X 9

8 / 75

50 X 6

9 / 75

95 X 4

10 / 75

62 X 4

11 / 75

14 X 8

12 / 75

42 X 5

13 / 75

55 X 7

14 / 75

55 X 7

15 / 75

16 X 9

16 / 75

88 X 6

17 / 75

539 X 4

18 / 75

711 X 4

19 / 75

411 X 8

20 / 75

49 X 7

21 / 75

18 X 7

22 / 75

205 X 6

23 / 75

203 X 8

24 / 75

678 X 7

25 / 75

623 X 5

26 / 75

89 +27 -71

27 / 75

41 +89 -13

28 / 75

60 +55 -81

29 / 75

39 +74 -69

30 / 75

74 +57 -53

31 / 75

26 +91 -45

32 / 75

54 +79 -90

33 / 75

55 +32 -85

34 / 75

27 +94 -65

35 / 75

93 +39 -36

36 / 75

630 - 279

37 / 75

580 - 362

38 / 75

859 - 426

39 / 75

696 - 333

40 / 75

761 - 185

41 / 75

611 - 294

42 / 75

890 - 149

43 / 75

621 - 249

44 / 75

652 - 226

45 / 75

804 - 182

46 / 75

834 X 7

47 / 75

613 X 7

48 / 75

575 X 4

49 / 75

221 X 5

50 / 75

622 X 9

51 / 75

895 X 9

52 / 75

405 X 3

53 / 75

659 X 6

54 / 75

577 X 5

55 / 75

341 X 4

56 / 75

458 X 4

57 / 75

113 X 9

58 / 75

139 X 8

59 / 75

696 X 7

60 / 75

715 X 5

61 / 75

750 + 556

62 / 75

265 + 301

63 / 75

465 + 209

64 / 75

116 + 169

65 / 75

622 + 217

66 / 75

465 + 524

67 / 75

426 + 877

68 / 75

851 + 771

69 / 75

869 + 804

70 / 75

599 + 648

71 / 75

672 + 343

72 / 75

284 + 978

73 / 75

503 + 258

74 / 75

127 + 591

75 / 75

430 + 162