Basic Arithmetic (Position 1) — Books
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Addition
Time limits – Colored: 00:00:02 · Plain: 01:00:00
100 chapters · 10000 flashcards
Not Purchased
Subtraction
Time limits – Colored: 00:00:02 · Plain: 01:00:00
100 chapters · 15678 flashcards
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Multiplication
Time limits – Colored: 00:00:01 · Plain: 01:00:00
100 chapters · 10000 flashcards
Not Purchased
Division
Time limits – Colored: 00:00:01 · Plain: 01:00:00
100 chapters · 10000 flashcards
Not Purchased