X-5分之X=240谁会解?
问题描述:
X-5分之X=240谁会解?
答
X-X/5=240 => 5X/5-X/5=240 => (5X-X)/5=240 => 4X/5=240 => 4X=240*5 => X=300
X-5分之X=240谁会解?
X-X/5=240 => 5X/5-X/5=240 => (5X-X)/5=240 => 4X/5=240 => 4X=240*5 => X=300