diff --git "a/\346\237\263\347\221\266/\347\254\254\344\270\200\346\254\241\344\275\234\344\270\232/de1.js" "b/\346\237\263\347\221\266/\347\254\254\344\270\200\346\254\241\344\275\234\344\270\232/de1.js"
new file mode 100644
index 0000000000000000000000000000000000000000..0a4c945817cd210b2b2db4adaa8d5035de5091aa
--- /dev/null
+++ "b/\346\237\263\347\221\266/\347\254\254\344\270\200\346\254\241\344\275\234\344\270\232/de1.js"
@@ -0,0 +1,17 @@
+let obj ={
+    jia :function(a,b){
+        return a+b;
+    },
+    jian :function(a,b){
+        return a-b;
+    },
+    cheng :function(a,b){
+        return a*b;
+    },
+    chu :function(a,b){
+        return a/b;
+    }
+
+}
+
+module.exports = obj;
\ No newline at end of file
diff --git "a/\346\237\263\347\221\266/\347\254\254\344\270\200\346\254\241\344\275\234\344\270\232/de2.js" "b/\346\237\263\347\221\266/\347\254\254\344\270\200\346\254\241\344\275\234\344\270\232/de2.js"
new file mode 100644
index 0000000000000000000000000000000000000000..176e64b8e3e722ce28024f0f191ebb3c9c21ed35
--- /dev/null
+++ "b/\346\237\263\347\221\266/\347\254\254\344\270\200\346\254\241\344\275\234\344\270\232/de2.js"
@@ -0,0 +1,6 @@
+let obj=require('./de1')
+console.log(obj.jia(5,3));
+console.log(obj.jian(6,3));
+console.log(obj.cheng(2,3));
+console.log(obj.chu(9,3));
+