9/1{7/1[5/1(3/y+2+4)+6]+8}=1,用简便算法计算.

问题描述:

9/1{7/1[5/1(3/y+2+4)+6]+8}=1,用简便算法计算.

9/1{7/1[5/1(3/y+2+4)+6]+8}=1
7/1[5/1(3/y+2+4)+6]+8=9
7/1[5/1(3/y+2+4)+6]=1
5/1(3/y+2+4)+6=7
5/1(3/y+2+4)=1
3/y+2+4=5
3/y+2=1
3/y=-1
y=-3

-3

9/1{7/1[5/1(3/y+2+4)+6]+8}=1
7/1[5/1(3/y+2+4)+6]+8=9
7/1[5/1(3/y+2+4)+6]=1
5/1(3/y+2+4)+6=7
5/1(3/y+2+4)=1
3/y+2+4=5
3/y+2=1
3/y=-1
y=-3
象掰蒜头,很有趣