525.1. Ultrasound, Infrasound and sound usage.
Grade:
8
Subject
Physics
Theme
Sound nowadays.
Subtheme
Ultrasound, Infrasound and sound usage.
Solve tasks to find hidden Geo point coordinates
- Algebra: Fraction addition and subtraction.
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- Algebra: Fraction amplification and abbreviation.
- Algebra: Irrational numbers.
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