Freeflows
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Prealgebra
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Theory
Counting and Probability
Precalculus
Geometry
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Intermediate Algebra
| Status | Title | Difficulty |
| 681. Decimal Fraction Conversion 2 | Level 3 | |
| 682. LCM Calculation | Level 4 | |
| 683. Circle Area Increase | Level 4 | |
| 684. Garlic Powder Conversion | Level 3 | |
| 685. Marble Color Ratio | Level 3 | |
| 686. Store Ratio Calculation | Level 3 | |
| 687. Circle Area Reduction | Level 4 | |
| 688. Divisor Probability | Level 4 | |
| 689. Prime Product Minimum | Level 3 | |
| 690. Inequality Fraction Solution | Level 3 | |
| 691. Domino Area Calculation | Level 3 | |
| 692. Suitcase Lock Combinations | Level 4 | |
| 693. Relative Coolness Problem | Level 4 | |
| 694. Muffin Batch Minimum | Level 4 | |
| 695. School Supply Cost | Level 3 | |
| 696. Painted Die Faces | Level 5 | |
| 697. Tax Rate Calculation | Level 2 | |
| 698. Flagpole Shadow Length 2 | Level 3 | |
| 699. Blue Marble Probability | Level 2 | |
| 700. O'Hara Triple Calculation | Level 3 |