fractional demo device/314 fractional number demo /franction device
fractional demo device 1)convenient to use and carry 2)easy to learn 3)be used for teaching 4)fractional demo device
fractional demo device
1.produced in standard (nominal capacity)
2.be used for teaching
3.content : concept of fraction
4.Scores the size of the value
5.analyse essential properties
6.Score add and subtract
fractional demo device/314 fractional number demo /franction device
