表达式3: "y" plus "X" minus 10 equals StartFraction, 10 minus "X" Over "X" , EndFraction left parenthesis, negative "x" , right parenthesis left brace, 0 less than "x" less than 10 , right brace left brace, 0 less than "y" less than 10 , right bracey+X−10=10−XX−x0<x<100<y<10
3
隐藏 标签 left parenthesis, 0 , 9 , right parenthesis0,9
标签
4
表达式5: StartRoot, "x" , EndRoot plus StartRoot, "y" , EndRoot equals StartRoot, 10 , EndRootx+y=10
