算出方程:x/60+x(60-5)/(x+5)+[15-5x/60-5x(60-5)/(x+5)/60=x/60+(15-x)/5
问题描述:
算出方程:x/60+x(60-5)/(x+5)+[15-5x/60-5x(60-5)/(x+5)/60=x/60+(15-x)/5
答
2
算出方程:x/60+x(60-5)/(x+5)+[15-5x/60-5x(60-5)/(x+5)/60=x/60+(15-x)/5
2