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A model tutorial on squaring binomials

Image description
author:
Wagner, Eugen
type:
pomagalo za matematiku
place:
Zagreb
date:
1965 ; (?) 1965
material:
magnetic tapes ; metal ; plastic
technique:
{}
dimensions:
ensemble: d = 35 cm; width = 32 cm; height = 4 cm
collection:
The Wagner Donation
inventory number:
271(1-8)
description:

The model is used in classes to process and observe the property of squaring the sum and difference, recognizing the square of the sum and the difference of binomials in algebraic expressions, and factoring the difference of the square into factors.