Update app.py

app.py

@@ -251,7 +251,14 @@ elif selected_function == "問題生成":
                 st.success(f"問題: {problem}")
                 #ReProblem =f"
                 #sqrt({s}*({s}-{side_length})*({s}-{side_length})*({s}-{side_length}))"
-                ReProblem =f"\begin{equation\ReProblem = \sqrt{s}({s}-\{sidelength})({s}-\{sidelength})({s}-\{sidelength})\end{equation}"
+                ReProblem =equation = "\begin{equation}\ReProblem = \sqrt{s}({s}-\sidelength)({s}-\sidelength)({s}-\sidelength)\end{equation}"
+                
+                equation = equation.replace("{sidelength}", str(sidelength))
+                equation = equation.replace("{s}", str(s))
+
+
+                ReProblem = equation
+
                 st.latex(ReProblem)
 
             st.success("生成された問題:")