恰当地运用顺口溜等形式来辅助教学,不仅可以活跃课堂气氛,增进学生的学习情趣,而且能够有效地提高教学效果,受到学生普遍欢迎.一、不等嘴天乎称t法天平两份不相等, 待测物体左右称, 物体质量是多少? 两数积的算术根。二、直流电路等效画法无阻导践缩一点,等势点间连成线,断路无用线撤去,节点之间依次连, Appropriate use of forms such as jingle to aid teaching, not only can stimulate the classroom atmosphere, enhance students' interest in learning, but also can effectively improve the teaching effect, which is generally welcomed by students. , About the object to be measured, what is the mass of the object? Second, the equivalent of direct-current circuit Drawback induction practice shrinkage, the potential point even into a line, disconnect the useless line removed, in turn, even between nodes,