Soroban calculations

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Min. number of digits

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Max. number of digits

2 3 4 5 6 7 8 9 10 11 12 13 14 15 Number of numbers

1 2 3 4 5 10 20 30 50 Number of problems

1 2 3 4 5 6 7 8 9 : number of digits

1 2 3 4 5 : number of digits

1 2 3 4 5 10 20 30 50 Number of problems