A Probability Demonstration Device for Advanced Mathematics
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A technology of advanced mathematics and demonstration devices, which is applied in teaching models, instruments, educational appliances, etc., can solve the problems of slow rotation and stop, affecting the teaching efficiency of teachers, and disadvantageous teaching, so as to avoid long waits and improve teaching. Class efficiency and the effect of increasing the variety of presentations
Active Publication Date: 2022-03-08
SHANDONG JIAOTONG UNIV
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[0005] Aiming at the deficiencies of the prior art, the present invention provides an advanced mathematics probability demonstration device, which solves the problem that a coin has only two sides, and the probability of verification is only 1 / 2, which has limitations and is not conducive to teaching. or sieve, both the coin and the sieve will rotate, and the process of waiting for the rotation to stop is relatively slow, which affects the teacher's teaching efficiency and is very inconvenient
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[0028] Next, the technical solutions in the embodiments of the present invention will be described in connection with the drawings of the embodiments of the present invention, and it is understood that the described embodiments are merely the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art are in the range of the present invention without making creative labor premise.
[0029] Such as Figure 1-5, The present invention provides a technical solution: A mathematical probability Higher presentation means, comprising a presentation box below, a presentation box circumferential surface fixedly connected with four support legs 22, 22 and four support legs distributed uniformly Demo circumferential surface of the tank 1 by four support legs 22 can be provided so that the presentation box in a more stable upon standing, circumferential surface presentat...
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Abstract
The invention discloses an advanced mathematics probability demonstration device, which relates to the technical field of teaching equipment, and comprises a demonstration box, a plurality of L-shaped feeding cylinders are uniformly and fixedly connected to the circumferential surface of the demonstration box, and each L-shaped feeding cylinder The lower ends of each are connected with the inside of the demonstration box, and the left and right side inner walls of each of the L-shaped feeding cylinders are provided with chute. Through the mutual cooperation between the set L-shaped feeding cylinder, chute, sealing piece 1, demonstration ball, slider, extrusion plate and connecting rod, the connecting rod can drive the extrusion of the fixed connection by pushing down the connecting rod. The plate moves downward, so that the extrusion plate drives the left and right side fixedly connected sliders to slide downward in the chute, thereby squeezing the demo ball inside the L-shaped feeding cylinder to move downward, so that the bottom demo ball pushes more The lower butt joints of the first sealing pieces are opened, so that demonstration balls of various colors can be put into the demonstration box in turn, which increases the probability of demonstration types and improves the practicability.
Description
Technical field [0001] The present invention relates to the technical field of teaching equipment, and is specifically a higher math probability presentation device. Background technique [0002] Advanced mathematics refers to a complicated part of the primary mathematics, and the mathematics of mathematics is broad. Mathematics outside the primary mathematics is higher mathematics, and there is also an algebra, geometry, and simple collection of middle schools. Preliminary, the logic is initially referred to as moderate mathematics, and the transition of the higher mathematics of primary mathematics and university stages as the primary and secondary school stages, usually, higher mathematics is a micro-integrated, deeper generation mathematics, geometry, and them One basic subject, probability, probability, probability, and probability, opportunity, probability, or possibility, is the basic concept of probability, probability, or possibilities, probability, probability, probabil...
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