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

64 X 8

2 / 75

52 X 8

3 / 75

57 X 9

4 / 75

55 X 9

5 / 75

53 X 4

6 / 75

23 X 6

7 / 75

34 X 9

8 / 75

73 X 9

9 / 75

15 X 8

10 / 75

22 X 7

11 / 75

80 X 8

12 / 75

62 X 7

13 / 75

37 X 7

14 / 75

89 X 4

15 / 75

29 X 7

16 / 75

623 X 5

17 / 75

86 X 4

18 / 75

367 X 8

19 / 75

41 X 4

20 / 75

33 X 3

21 / 75

49 X 7

22 / 75

205 X 6

23 / 75

20 X 3

24 / 75

97 X 6

25 / 75

18 X 7

26 / 75

90 +55 -66

27 / 75

52 +99 -75

28 / 75

40 +65 -92

29 / 75

55 +32 -85

30 / 75

49 +22 -71

31 / 75

64 +36 -27

32 / 75

22 +57 -62

33 / 75

23 +43 -57

34 / 75

86 +89 -58

35 / 75

64 +54 -55

36 / 75

890 - 149

37 / 75

853 - 344

38 / 75

916 - 325

39 / 75

804 - 182

40 / 75

699 - 215

41 / 75

696 - 333

42 / 75

621 - 249

43 / 75

979 - 187

44 / 75

607 - 237

45 / 75

654 - 437

46 / 75

394 X 8

47 / 75

509 X 4

48 / 75

369 X 7

49 / 75

659 X 6

50 / 75

639 X 8

51 / 75

634 X 9

52 / 75

762 X 4

53 / 75

240 X 8

54 / 75

784 X 9

55 / 75

221 X 3

56 / 75

896 X 7

57 / 75

622 X 9

58 / 75

503 X 7

59 / 75

112 X 8

60 / 75

458 X 4

61 / 75

643 + 757

62 / 75

642 + 739

63 / 75

790 + 901

64 / 75

558 + 795

65 / 75

531 + 493

66 / 75

412 + 613

67 / 75

265 + 301

68 / 75

201 + 568

69 / 75

877 + 283

70 / 75

207 + 261

71 / 75

754 + 326

72 / 75

448 + 807

73 / 75

234 + 877

74 / 75

331 + 875

75 / 75

221 + 258