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

49 X 3

2 / 75

95 X 3

3 / 75

84 X 8

4 / 75

21 X 3

5 / 75

37 X 5

6 / 75

90 X 6

7 / 75

19 X 4

8 / 75

48 X 4

9 / 75

20 X 8

10 / 75

55 X 7

11 / 75

95 X 4

12 / 75

13 X 4

13 / 75

30 X 4

14 / 75

34 X 6

15 / 75

44 X 7

16 / 75

15 X 7

17 / 75

33 X 3

18 / 75

367 X 2

19 / 75

78 X 4

20 / 75

623 X 5

21 / 75

27 X 8

22 / 75

539 X 4

23 / 75

41 X 4

24 / 75

81 X 7

25 / 75

20 X 3

26 / 75

91 +25 -33

27 / 75

16 +60 -31

28 / 75

13 +49 -50

29 / 75

54 +79 -90

30 / 75

74 +34 -33

31 / 75

38 +80 -47

32 / 75

50 +50 -85

33 / 75

60 +43 -99

34 / 75

33 +78 -75

35 / 75

42 +76 -98

36 / 75

975 - 358

37 / 75

696 - 333

38 / 75

593 - 174

39 / 75

979 - 187

40 / 75

611 - 294

41 / 75

966 - 266

42 / 75

654 - 437

43 / 75

607 - 237

44 / 75

916 - 325

45 / 75

621 - 249

46 / 75

210 X 4

47 / 75

539 X 4

48 / 75

767 X 5

49 / 75

745 X 9

50 / 75

509 X 4

51 / 75

221 X 8

52 / 75

696 X 7

53 / 75

888 X 7

54 / 75

605 X 4

55 / 75

716 X 5

56 / 75

623 X 6

57 / 75

749 X 4

58 / 75

896 X 7

59 / 75

676 X 7

60 / 75

311 X 8

61 / 75

662 + 250

62 / 75

999 + 216

63 / 75

284 + 990

64 / 75

798 + 381

65 / 75

776 + 409

66 / 75

126 + 435

67 / 75

207 + 261

68 / 75

165 + 862

69 / 75

779 + 328

70 / 75

642 + 739

71 / 75

495 + 329

72 / 75

176 + 886

73 / 75

247 + 474

74 / 75

813 + 977

75 / 75

234 + 877