diff --git "a/47 \346\235\216\345\277\265\345\277\265/2022 1214\344\275\234\344\270\232.md" "b/47 \346\235\216\345\277\265\345\277\265/2022 1214\344\275\234\344\270\232.md"
new file mode 100644
index 0000000000000000000000000000000000000000..3ba2a8ae29a6bbd1d74668706dab2682bec34771
--- /dev/null
+++ "b/47 \346\235\216\345\277\265\345\277\265/2022 1214\344\275\234\344\270\232.md"	
@@ -0,0 +1,38 @@
+# 作业：
+
+## 一：
+
+购买档位
+
+~~~ Java
+public class zuoye1 {
+    public static void main(String[] args) {
+
+        for (int i = 1; i < 100; i++) {
+            if (i * 4.05 + (100 - i) * 5.06 == 445.4) {
+                System.out.println("第二档" + i + "立方,第三档是" + (100 - i) + "立方");
+            }
+        }
+
+    }
+}
+~~~
+
+## 二：
+
+九九乘法表
+
+~~~ Java
+public class zuoye2 {
+
+    public static void main(String[] args) {
+        for (int a = 9; a >= 1; a--) {
+            for (int b = 9; b >= a; b--) {
+                System.out.print(b + "*" + a + "=" + a * b + "\t");
+            }
+            System.out.println();
+        }
+    }
+}
+~~~
+
diff --git "a/47 \346\235\216\345\277\265\345\277\265/2022 1215 \346\226\271\346\263\225.md" "b/47 \346\235\216\345\277\265\345\277\265/2022 1215 \346\226\271\346\263\225.md"
new file mode 100644
index 0000000000000000000000000000000000000000..9578823830b4eb309a0d9832f4cb62eb7ff44003
--- /dev/null
+++ "b/47 \346\235\216\345\277\265\345\277\265/2022 1215 \346\226\271\346\263\225.md"	
@@ -0,0 +1,48 @@
+# 作业：
+
+### 1：定义一函数，用于求2个数中的较大数，并将其返回，这2个数字在主函数中由用户输入
+
+~~~ Java
+import java.util.Scanner;
+
+public class zuoye3 {
+    public static void main(String[] args) {
+        Scanner s = new Scanner(System.in);
+        System.out.println("请输入第一个数：");
+        int number1 = s.nextInt();
+        System.out.println("请输入第二个数：");
+        int number2 = s.nextInt();
+        System.out.println("较大的数为："+max(number1,number2));
+    }
+    public static int max(int number1,int number2) {
+        return number1>number2?number1:number2;
+    }
+}
+~~~
+
+### 2：在主函数中从键盘接收X, Y , Z3个数，编写函数计算这3个数的立方和并返回计算结果：S=X3+Y3+Z3
+
+~~~ Java
+import java.util.Scanner;
+
+public class zuoye4 {
+    public static void main(String[] args) {
+        Scanner s = new Scanner(System.in);
+        System.out.println("请输入第一个数：");
+        int x = s.nextInt();
+        System.out.println("请输入第二个数：");
+        int y = s.nextInt();
+        System.out.println("请输入第三个数：");
+        int z = s.nextInt();
+        System.out.println(h(x,y,z)+"="+sum(x)+"+"+sum(y)+"+"+sum(z));
+    }
+    public static int sum(int a) {
+        return a*a*a;
+    }
+
+    public static int h(int a , int b, int c) {
+        return a*a*a+b*b*b+c*c*c;
+    }
+}
+~~~
+