方程X-5/2X=9 (2+7/4)X=7/5 4X*10/7=14 X除5/7=8/5/3/1*=乘 /等于分数线
问题描述:
方程X-5/2X=9 (2+7/4)X=7/5 4X*10/7=14 X除5/7=8/5/3/1
*=乘 /等于分数线
答
33217
方程X-5/2X=9 (2+7/4)X=7/5 4X*10/7=14 X除5/7=8/5/3/1
*=乘 /等于分数线
33217