关于x的方程:x+1⼀x=2+1⼀2的解是X1=2,X2=1⼀2;x+1⼀x=3+1⼀3的解是X1=3,X2=1⼀3;x+1⼀x=4+1⼀4.。 解方程:y+(y+2

2024-12-04 04:18:58
推荐回答(2个)
回答1:

y+(y+2)/(y+1)=y+1+1/(y+1)=(y+1)+1/(y+1)
设y+1=X,则原式=X+1/X=3+1/3
即y+1=3或1/3
y=2或-2/3

回答2:

=1245