diff --git a/2207/C语言同步练习源码/2.循环结构-6.c b/2207/C语言同步练习源码/2.循环结构-6.c
new file mode 100644
index 0000000..18029bd
--- /dev/null
+++ b/2207/C语言同步练习源码/2.循环结构-6.c
@@ -0,0 +1,13 @@
+#include <stdio.h>
+
+int main(){
+	
+	int i;
+	for(i=5;i<=100;i++){
+		if(i%5==0 || i%7==0){
+			printf("%d ", i);
+		}
+	}
+
+	return 0;
+}
diff --git a/2207/C语言同步练习答案.md b/2207/C语言同步练习答案.md
index d5f5b49..d9045c9 100644
--- a/2207/C语言同步练习答案.md
+++ b/2207/C语言同步练习答案.md
@@ -318,6 +318,19 @@ int main(){
 ![image-20250220231012110](https://yp.smallkun.cn/markdown/image-20250220231012110.png!compress)
 
 ```c
+#include <stdio.h>
+
+int main(){
+	
+	int i;
+	for(i=5;i<=100;i++){
+		if(i%5==0 || i%7==0){
+			printf("%d ", i);
+		}
+	}
+
+	return 0;
+}
 ```
 
 ### 循环结构-7