(1+0.2)X=(X-64)/0.
问题描述:
(1+0.2)X=(X-64)/0.
答
(1+0.2)X=(X-64)/0.8
1.2x=(x-64)/0.8
(1.2x*0.8=x-64)可省略步骤
0.96x=x-64
( x-0.96x=64)可省略步骤
0.04x =64
( x =64/0.04)可省略步骤
x =1600