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soroban l3 s1

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soroban exercises

Study Slideshow

15 -5 -1 -2 -6 +12 -2

11

15

9+ 2+ 7 -6+ 7+ 2 -1

20

15

5+ 3+ 2+ 9+ 2+ 7+ 2

30

15

99 -9 -2 -8 -2 -8 -2

68

15

44 -4 -2 -8 -2 -8 -2

18

15

24 -4 -2 +1 -9 -2 +51

59

15

19 -9 -2 +31 -9 -2+1

29

15

95 -5 -2 -8 -2 -22 -51

5

15

68 -8 -2+ 21 -9 -2 +20

88

15

3 +5+ 9+ 2 -7+ 1+ 1

14

15

1+ 1+ 2 +9 +5 -3 -5

10

15

8 +2 +8+ 8 +3 +8 +8

45

15

7+ 2+ 7 -5 +3 +5 -9

10

15

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