| 摘要 |
FIELD: physics. ^ SUBSTANCE: dynamic model designed for obtaining results of adding, subtracting, multiplying or integer division of natural numbers A+B, A-B, AùB, A/B, having movable and turned figures which correspond to the arrangement format of numbers of a telephone T-matrix having three rows and three columns, lying in cells of a table according to rules "plus one" for one step to the right and "plus three" for a step backwards. Also the model ha flat rigid figures which can be turned about the centre of the T-matrix and said figures are made from arrow indicators between numbers and retain their solid body form when turning. The first figure, called the odd lightning, coincides with arrows AåÆ(A+1) on the T-matrix in the initial turning position. The second figure, called the even lightning, coincides with arrows AåÆ(A+2) on the T-matrix in the initial turning position. The third figure, called the "plus five" lightning, coincides with arrows AåÆ(A+5) or AåÆ (A-5) on the T-matrix in the initial turning position. ^ EFFECT: possibility of improving mastering rate of counting, made without uttering words in oral calculations. ^ 13 dwg |
