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

94 X 5

2 / 75

43 X 4

3 / 75

20 X 7

4 / 75

24 X 7

5 / 75

34 X 6

6 / 75

46 X 4

7 / 75

52 X 9

8 / 75

63 X 7

9 / 75

25 X 8

10 / 75

30 X 4

11 / 75

53 X 4

12 / 75

93 X 9

13 / 75

44 X 9

14 / 75

23 X 9

15 / 75

66 X 8

16 / 75

539 X 4

17 / 75

86 X 4

18 / 75

81 X 7

19 / 75

28 X 8

20 / 75

367 X 8

21 / 75

569 X 4

22 / 75

49 X 7

23 / 75

144 X 3

24 / 75

623 X 5

25 / 75

319 X 3

26 / 75

41 +30 -34

27 / 75

22 +97 -43

28 / 75

99 +76 -73

29 / 75

40 +24 -41

30 / 75

19 +61 -44

31 / 75

79 +75 -58

32 / 75

18 +21 -15

33 / 75

77 +36 -32

34 / 75

20 +89 -82

35 / 75

73 +57 -95

36 / 75

630 - 279

37 / 75

866 - 156

38 / 75

659 - 217

39 / 75

761 - 185

40 / 75

593 - 174

41 / 75

696 - 333

42 / 75

966 - 266

43 / 75

718 - 396

44 / 75

975 - 358

45 / 75

699 - 215

46 / 75

289 X 4

47 / 75

799 X 3

48 / 75

917 X 3

49 / 75

464 X 8

50 / 75

863 X 7

51 / 75

639 X 8

52 / 75

689 X 7

53 / 75

698 X 3

54 / 75

409 X 5

55 / 75

897 X 5

56 / 75

348 X 4

57 / 75

818 X 9

58 / 75

444 X 6

59 / 75

509 X 4

60 / 75

405 X 3

61 / 75

401 + 277

62 / 75

430 + 162

63 / 75

206 + 826

64 / 75

116 + 169

65 / 75

465 + 524

66 / 75

559 + 973

67 / 75

859 + 406

68 / 75

978 + 257

69 / 75

397 + 474

70 / 75

643 + 757

71 / 75

727 + 408

72 / 75

895 + 649

73 / 75

572 + 718

74 / 75

603 + 347

75 / 75

476 + 446