#!/bin/bash
for a in
seq 1 9do
echo “”
for b in
seq 1 9do
if [ $a -ge $b ]
then
echo -n “$a x $b = $(expr $a * $b)” \
fi
done
done
echo “”
效果图：
#!/bin/bash
for a in
seq 1 9do
echo “”
for b in
seq 1 9do
if [ $a -ge $b ]
then
echo -n “$a x $b = $(expr $a * $b)” \
fi
done
done
echo “”
效果图：