diff --git a/kakuninn.rb b/kakuninn.rb
new file mode 100755
index 0000000..6f98e57
--- /dev/null
+++ b/kakuninn.rb
@@ -0,0 +1,13 @@
+#!/usr/bin/env ruby
+#_*_coding: utf-8*_
+
+def nibai(x,y)
+
+  retum x * y
+
+end
+puts"2つ数値を入れてください。掛け算した値を返します"
+x = gets.to_i
+y = gets.to_i
+printf("%d&n",nibai(x,y))
+
diff --git a/mariononakamatati.rb b/mariononakamatati.rb
new file mode 100755
index 0000000..aafc3cb
--- /dev/null
+++ b/mariononakamatati.rb
@@ -0,0 +1,11 @@
+#!/usr/bin/env ruby
+#_*_coding: utf-8*_
+
+mariononakama =["マリオ","ルイージ","ヨッシー","キノピオ","キノピコ","ピーチ","ノコノコ","クリボー"]
+
+butai = mariononakama.shift
+
+printf("%sです。\n",butai)
+
+printf("%sです。\n",mariononakama)
+
diff --git a/pultusyu.rb b/pultusyu.rb
new file mode 100755
index 0000000..43abacc
--- /dev/null
+++ b/pultusyu.rb
@@ -0,0 +1,6 @@
+#!/usr/bin/env ruby
+#_*_coding: utf-8*_
+
+kudamono =["りんご","みかん","バナナ"]
+
+printf("%sです。\n",kudamono.push("もも"))
diff --git a/riba.rb b/riba.rb
index 1b66c96..9e4d905 100755
--- a/riba.rb
+++ b/riba.rb
@@ -1,2 +1,9 @@
 #!/usr/bin/env ruby
-#
+#_*_coding: utf-8 _*_
+
+kazu = [3,1,5,4,2]
+kudamono=["りんご","みかん","バナナ"]
+
+printf("%sです。\n",kazu.reverse)
+
+printf("%sです。\n",kudamono.reverse)
diff --git a/sihuto.rb b/sihuto.rb
new file mode 100755
index 0000000..22dcb7f
--- /dev/null
+++ b/sihuto.rb
@@ -0,0 +1,10 @@
+#!/usr/bin/env ruby
+#_*_coding: utf-8*_
+
+kudamono =["りんご","みかん","バナナ"]
+
+sara = kudamono.shift
+
+printf("%sです。\n",sara)
+
+printf("%sです。\n",kudamono)