diff --git a/第一讲 变量、输入输出、表达式与顺序语句/606.cpp b/第一讲 变量、输入输出、表达式与顺序语句/606.cpp
new file mode 100644
index 0000000..87ab564
--- /dev/null
+++ b/第一讲 变量、输入输出、表达式与顺序语句/606.cpp	
@@ -0,0 +1,11 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    float a, b, w = 3.5 + 7.5;
+    scanf("%f%f", &a, &b);
+    printf("MEDIA = %.5f", a * 3.5 / w + b * 7.5 / w);
+    return 0;
+}
\ No newline at end of file