波涛装饰加盟:数学问题:1/(2+3/(4+5/x))=6 x=?

来源:百度文库 编辑:高考问答 时间:2024/05/05 08:09:23

-55/62

1/(2+3/(4+5/x))
=1/(2+3/9(4x+5)/x)
=1/(2+3x/(4x+5))
=1/((11x+10)/(4x+5))
=(4x+5)/(11x+10)
=6
4x+5=66x+60
62x=-55
x=-55/62

计算步骤如下:
1/[2+3/(4+5/X]=6 可进行如下合并
12+18/(4+5/X)=1
18/(4+5/X)=-11
18/[(4X+5)/X]=-11
18=(-44X-55)/X
18X=-44X-55
62X=-55
X=-55/62

1/(2+3/(4+5/x))
=1/(2+3/9(4x+5)/x)
=1/(2+3x/(4x+5))
=1/((11x+10)/(4x+5))
=(4x+5)/(11x+10)
=6
4x+5=66x+60
62x=-55
x=-55/62

1/(2+3/(4+5/x))
=1/(2+3/9(4x+5)/x)
=1/(2+3x/(4x+5))
=1/((11x+10)/(4x+5))
=(4x+5)/(11x+10)
=6
4x+5=66x+60
62x=-55
x=-55/62

啥意思?