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Matematiikka

Aritmetiikka	Käyrän sovitus mittausarvoihin	Ohmin laki
Ohmin laki	Resistanssi johtimessa	Vaijerin resistanssi
Trigonometria	Arithmetic	Area Builder
Area Model Algebra	Area Model Decimals	Area Model Introduction
Area Model Multiplication	Build a Fraction	Equation Grapher
Estimation	Expression Exchange	Fraction Matcher
Fraction Matcher	Fractions Intro	Function Builder
Function Builder: Basics	Least-Squares Regression	Make a Ten
Plinko Probability	Proportion Playground	Unit Rates
Vector Addition