二元一次方程组
二元一次方程组-
初中代数教学中的数学情境与提出问题&二元一次方程组的应用教学案例
Case of Teaching about the Application of Binary Linear Equation Group
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然后给出每一小段用初参数表示的解，再利用各段之间的连续条件，给出内力与位移的一般表达式，并最后将问题归结为一个二元一次方程组的求解。
By use of the continuous conditions between adjoining sections , ge - neral formulas of internal forces and displacements are derived and the prob - lem finally becomes to solve a simultaneous linear equations with two unk - nowns .
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而采用等效能量法后，可以将这个积分方程组转化为一个二元一次线性方程组来进行求解，从而提高了计算的速度和准确度。
While the equivalent energy way will simplify the group into a new group of two linear equations and it increases the computing speed and accurancy .