From 7fbaa2a76e34fafc86f59f5422fbc0fbfd7a640a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=86=AF=E4=B8=96=E7=BA=AA?= <3380488243@qq.com>
Date: Fri, 7 Aug 2020 00:11:44 +0800
Subject: [PATCH] first commit

---
 fengshiji1.java | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/fengshiji1.java b/fengshiji1.java
index b59c362..b4ef4de 100644
--- a/fengshiji1.java
+++ b/fengshiji1.java
@@ -1,5 +1,16 @@
 package fengshiji;
+import  java.math.*;
+public class fengshiji1 
+{
+	public double duishu(double a,double b)
+	{
+		double res = log(a, b);
+	return res;
+	}
 
-public class fengshiji1 {
+	private double log(double a, double b) {
+		double h=Math.log10(b)/Math.log10(a);
+		return h;
+	}
 
 }