🔁 Combined Small & Big Friend Formulas
🏆 Abacus Junior • Level 2 • Single & Mixed Digit
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Questions:
10
15
20
50
100
Numbers up to:
20
50
Level:
Level 1 (1 row)
Level 2 (2 rows)
Level 3 (3 rows)
Level 4 (4 rows)
Level 5 (5 rows)
Operation:
Addition
Subtraction
Mixed
Show Formula:
Yes
No (challenge)
Mode:
Printable
Interactive
▶ Generate
🖶 Print
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