0

level4

  • ⏱ Time: _15 minutes

  • ✅ Passing Marks: 90%

1 / 5

10+20

2 / 5

3
5
-2

3 / 5

5
2
-5
-2

 

4 / 5

4
-3
2

5 / 5

4
-4
5

Your score is

Abacus Training | Practice Audio

Abacus Practice with Audio

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