(320-20)/X=(320+30)/(X+10)再怎么解这个方程组
问题描述:
(320-20)/X=(320+30)/(X+10)再怎么解这个方程组
答
(320-20)/X=(320+30)/(X+10) 化简:300/x=350/(x+10) 300(x+10)=350x 300x+3000=350x 50x=3000 x=60
(320-20)/X=(320+30)/(X+10)再怎么解这个方程组
(320-20)/X=(320+30)/(X+10) 化简:300/x=350/(x+10) 300(x+10)=350x 300x+3000=350x 50x=3000 x=60