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

40 X 7

3 / 75

76 X 6

4 / 75

48 X 5

5 / 75

85 X 8

6 / 75

21 X 8

7 / 75

42 X 5

8 / 75

50 X 6

9 / 75

78 X 5

10 / 75

96 X 9

11 / 75

63 X 7

12 / 75

33 X 9

13 / 75

19 X 4

14 / 75

44 X 9

15 / 75

55 X 9

16 / 75

157 X 7

17 / 75

20 X 3

18 / 75

711 X 4

19 / 75

623 X 5

20 / 75

411 X 8

21 / 75

205 X 6

22 / 75

49 X 7

23 / 75

678 X 7

24 / 75

28 X 8

25 / 75

33 X 3

26 / 75

41 +62 -76

27 / 75

86 +20 -16

28 / 75

67 +51 -38

29 / 75

45 +89 -82

30 / 75

28 +75 -42

31 / 75

76 +31 -71

32 / 75

96 +67 -70

33 / 75

74 +47 -98

34 / 75

56 +19 -61

35 / 75

53 +52 -80

36 / 75

866 - 156

37 / 75

699 - 215

38 / 75

966 - 266

39 / 75

659 - 217

40 / 75

593 - 174

41 / 75

611 - 294

42 / 75

630 - 279

43 / 75

975 - 358

44 / 75

804 - 182

45 / 75

853 - 344

46 / 75

828 X 9

47 / 75

508 X 3

48 / 75

467 X 8

49 / 75

765 X 7

50 / 75

221 X 3

51 / 75

659 X 6

52 / 75

959 X 5

53 / 75

136 X 5

54 / 75

360 X 5

55 / 75

796 X 3

56 / 75

477 X 6

57 / 75

689 X 7

58 / 75

622 X 9

59 / 75

289 X 4

60 / 75

664 X 5

61 / 75

811 + 724

62 / 75

883 + 851

63 / 75

223 + 370

64 / 75

176 + 979

65 / 75

467 + 568

66 / 75

225 + 168

67 / 75

876 + 862

68 / 75

165 + 862

69 / 75

895 + 649

70 / 75

577 + 387

71 / 75

896 + 653

72 / 75

978 + 257

73 / 75

178 + 424

74 / 75

918 + 223

75 / 75

448 + 807