Multi-element teaching aid device
A teaching aid and multiple technologies, applied in the field of teaching aids, can solve the problems of non-standard horizontal and vertical lines, increase the workload of teachers, inconvenience in mathematics teaching, etc., and achieve the effects of improving teaching efficiency, saving drawing time, and being easy to popularize and use.
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[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0015] see Figure 1-2 , an embodiment provided by the present invention: a multi-element teaching aid device, comprising a right triangle teaching aid 1 and a protractor teaching aid 2; , and the long right-angled side 4 is provided with a length scale line 5; the center of the protractor teaching aid 2 is provided with an arc-shaped bump 6, and the auxiliary ruler 7 is hinged with the arc-shaped bump 6 through the first pin shaft 8; the straight The hypoten...
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