Mathematical teaching instrument
A mathematics and instrument technology, applied in the field of mathematics teaching instruments, can solve problems such as differences in the size and shape of geometric figures, inadequate manual drawing by teachers, and influence on students' understanding, etc., to achieve the effect of convenient viewing, convenient deepening of understanding, and avoiding geometric errors.
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[0028] Embodiment mathematics teaching instrument
[0029] Such as figure 1 As shown, the present embodiment includes a desk body 3, a teaching table 1 and two fixed mounts 2 are installed on the top of the desk body 3, the fixed mount 2 is L-shaped, the teaching table 1 cooperates with the fixed mount 2, and the desk body The side of 3 is equipped with a pen holder lifting device, and a stable rotating geometric compound demonstration device is installed on the teaching platform 1, and the stable rotating and superimposed mathematical geometry demonstration device includes an adjustable lens device, a geometric compound device and a laser module fixing frame 65, and the laser module is fixed. Several laser modules 56 are arranged on the frame 65, and the geometric composite device is located between the adjustable lens device and the laser module 56. The lower parts of the convex lens 50 and the laser module 56 are all matched with the teaching platform 1, and the adjustable ...
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