This document provides the trap description, attributes, parameters, impact on the system, possible causes, procedures, and references. This document provides a complete set of traps, through which intended readers are kept of the running status of the d
整理得,3600(m-2)=3000m, 解得m=120, 经检验,m=120是原分式方程的解, 所以,m=120; (2)设购进甲种运动鞋x双,则乙种运动鞋(200-x)双, 根据题意得, , 不等式组的解集是160≤x≤174, ∵x是正整数,174-160+1=15, ∴共有15种方案.