一次函数应用题里的方案选择
问题描述:
一次函数应用题里的方案选择
解析式我会,就是X的取值范围有问题,
速度··································································
答
设这两种都相等,再根据题意来判断他的取值
一次函数应用题里的方案选择
解析式我会,就是X的取值范围有问题,
速度··································································
设这两种都相等,再根据题意来判断他的取值