说出各题中单位“一”的量和数量间的相等关系.                                                            单位“一”                数量关系                                             松树棵数是柏树的68%                ___________        ________________男生人数是女生的75%                ___________        ________________跳高运动员人数的90%                ___________        ________________       相当于跳远运动员人数.             ___________        ________________

问题描述:

说出各题中单位“一”的量和数量间的相等关系.

                                                            单位“一”                数量关系                                             

  1. 松树棵数是柏树的68%                ___________        ________________

  2. 男生人数是女生的75%                ___________        ________________

  3. 跳高运动员人数的90%                ___________        ________________

       相当于跳远运动员人数.             ___________        ________________