Comparing and ordering
Advanced · 10 levels, 8 problems each.
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- 01 Advanced
Six-digit warm-up
8 problems · 2 min - 02 Advanced
Below zero
8 problems · 1 min - 03 Advanced
Below zero, close
8 problems · 1 min - 04 Advanced
Below zero, three digits
8 problems · 1 min - 05 Advanced
Below zero, close, three digits
8 problems · 1 min - 06 Advanced
Seven digits
8 problems · 3 min - 07 Advanced
Seven digits, close
8 problems · 3 min - 08 Advanced
Below zero, four digits
8 problems · 2 min - 09 Advanced
Seven digits, equal often
8 problems · 3 min - 10 Advanced
Everything review
8 problems · 3 min