#!/bin/sh
echo "演習課題1の実行結果"
a=8
b=2
echo "a=$a, b=$b"

answer=`expr $a + $b`
echo "a+b=$answer"

answer=`expr $a - $b`
echo "a-b=$answer"

answer=`expr $a \* $b`
echo "a*b=$answer"

answer=`expr $a / $b`
echo "a/b=$answer"