diff --git a/.idea/libraries/KotlinJavaRuntime.xml b/.idea/libraries/KotlinJavaRuntime.xml
new file mode 100644
index 0000000000000000000000000000000000000000..d2eaa8c2250bd3faf730e501c5419555748c0055
--- /dev/null
+++ b/.idea/libraries/KotlinJavaRuntime.xml
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diff --git a/.idea/misc.xml b/.idea/misc.xml
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--- /dev/null
+++ b/.idea/misc.xml
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diff --git a/.idea/modules.xml b/.idea/modules.xml
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--- /dev/null
+++ b/.idea/modules.xml
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diff --git a/.idea/uiDesigner.xml b/.idea/uiDesigner.xml
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index 0000000000000000000000000000000000000000..2b63946d5b31084bbb7dda418ceb3d75eb686373
--- /dev/null
+++ b/.idea/uiDesigner.xml
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+ -
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diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000000000000000000000000000000000000..5183a2d2803e6bfe9b188484acfeb6c544fce93f
--- /dev/null
+++ b/.idea/vcs.xml
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\ No newline at end of file
diff --git a/mathDemo.java b/mathDemo.java
deleted file mode 100644
index e935f87ab1184945033bd5beaaa1f3966af4a26f..0000000000000000000000000000000000000000
--- a/mathDemo.java
+++ /dev/null
@@ -1,84 +0,0 @@
-package Apractice;
-
-/**
- * @author QGW
- * @version 1.9
- * @Time:
- */
-import org.junit.jupiter.api.Test;
-
-import java.util.Scanner;
-
-public class mathDemo {
-
- public static void main(String[] args) {
-
- System.out.println(jiecheng());
- System.out.println(jiecheng());
- System.out.println(jiecheng1());
-
- }
- @Test
- public void jishu(){
- //1到100之间所有奇数的平方和
- int sum = 0;
- for (int i = 1; i < 101; i++) {
- if (i % 2 != 0){
- sum = sum + i * i;
- System.out.println(i + " " + sum);
- }
- }
- }
- @Test
- public void printzhi() {
- //第一个质数起，列出100个质数（十行十列）
- boolean isFlag = true;
- int count = 0;
- for (int i = 2;; i++) {
- for (int j = 2; j < i; j++) {
- if (i % j == 0) {
- isFlag = false;
- break;
- }
- }
-
- if (isFlag) {
- System.out.print(i + " ");
- count++;
- //满⑩换行
- if (count % 10 == 0)
- System.out.println();
- }
-
- // 重置isFlag
- isFlag = true;
-
- //输出100个退出循环
- if (count == 100)
- break;
- }
- }
-
- //定义函数，求取正整数N的阶乘
- public static int jiecheng(){
- System.out.println("输入正整数");
- Scanner scanner = new Scanner(System.in);
- int N = scanner.nextInt();
- int s = 1;
- for (int i = N; i >= 1 ; i--) {
- s *= i;
- }
- return s;
- }
-
- //调用函数求取正整数9的阶乘
- public static int jiecheng1(){
- int s = 1;
- for (int i = 9; i >= 1 ; i--) {
- s *= i;
- }
- return s;
- }
-}
-
-
diff --git "a/\345\256\236\344\271\240\346\227\245\345\277\227/.idea/misc.xml" "b/\345\256\236\344\271\240\346\227\245\345\277\227/.idea/misc.xml"
new file mode 100644
index 0000000000000000000000000000000000000000..639900d13c6182e452e33a3bd638e70a0146c785
--- /dev/null
+++ "b/\345\256\236\344\271\240\346\227\245\345\277\227/.idea/misc.xml"
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diff --git "a/\345\256\236\344\271\240\346\227\245\345\277\227/.idea/modules.xml" "b/\345\256\236\344\271\240\346\227\245\345\277\227/.idea/modules.xml"
new file mode 100644
index 0000000000000000000000000000000000000000..5f589c969152f3ef7d24c4d38520cca25f867077
--- /dev/null
+++ "b/\345\256\236\344\271\240\346\227\245\345\277\227/.idea/modules.xml"
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diff --git "a/\345\256\236\344\271\240\346\227\245\345\277\227/.idea/vcs.xml" "b/\345\256\236\344\271\240\346\227\245\345\277\227/.idea/vcs.xml"
new file mode 100644
index 0000000000000000000000000000000000000000..6c0b8635858dc7ad44b93df54b762707ce49eefc
--- /dev/null
+++ "b/\345\256\236\344\271\240\346\227\245\345\277\227/.idea/vcs.xml"
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\ No newline at end of file
diff --git "a/\345\256\236\344\271\240\346\227\245\345\277\227/.idea/\345\256\236\344\271\240\346\227\245\345\277\227.iml" "b/\345\256\236\344\271\240\346\227\245\345\277\227/.idea/\345\256\236\344\271\240\346\227\245\345\277\227.iml"
new file mode 100644
index 0000000000000000000000000000000000000000..d6ebd4805981b8400db3e3291c74a743fef9a824
--- /dev/null
+++ "b/\345\256\236\344\271\240\346\227\245\345\277\227/.idea/\345\256\236\344\271\240\346\227\245\345\277\227.iml"
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\ No newline at end of file