使用Linux用shell打印九九乘法表
时间: 2023-06-12 20:07:34 浏览: 178
可以使用循环语句和占位符来实现打印九九乘法表。以下是一个简单的例子:
```
#!/bin/bash
for i in {1..9}
do
for j in {1..9}
do
if [ $j -le $i ]
then
printf "%d*%d=%d\t" $j $i $((i*j))
fi
done
echo ""
done
```
输出结果为:
```
1*1=1
1*2=2 2*2=4
1*3=3 2*3=6 3*3=9
1*4=4 2*4=8 3*4=12 4*4=16
1*5=5 2*5=10 3*5=15 4*5=20 5*5=25
1*6=6 2*6=12 3*6=18 4*6=24 5*6=30 6*6=36
1*7=7 2*7=14 3*7=21 4*7=28 5*7=35 6*7=42 7*7=49
1*8=8 2*8=16 3*8=24 4*8=32 5*8=40 6*8=48 7*8=56 8*8=64
1*9=9 2*9=18 3*9=27 4*9=36 5*9=45 6*9=54 7*9=63 8*9=72 9*9=81
```
相关问题
liunx shell打印九九乘法表
好的,以下是一个可以在 Linux shell 中打印九九乘法表的命令:
```
for i in `seq 1 9`; do for j in `seq 1 $i`; do printf "$j x $i = `expr $i \* $j` "; done; echo ""; done
```
执行后会依次输出从 1x1 到 9x9 的九九乘法表。
Linuxshell实现九九乘法表
以下是在 Linux shell 中实现打印九九乘法表的代码:
```shell
#!/bin/bash
for i in {1..9}
do
for j in $(seq 1 $i)
do
echo -n "$j * $i = $((i*j)) "
done
echo ""
done
```
将以上代码保存到一个文件中,比如 `multiplication_table.sh`,然后在终端中运行以下命令即可执行:
```
bash multiplication_table.sh
```
输出结果为:
```
1 * 1 = 1
1 * 2 = 2 2 * 2 = 4
1 * 3 = 3 2 * 3 = 6 3 * 3 = 9
1 * 4 = 4 2 * 4 = 8 3 * 4 = 12 4 * 4 = 16
1 * 5 = 5 2 * 5 = 10 3 * 5 = 15 4 * 5 = 20 5 * 5 = 25
1 * 6 = 6 2 * 6 = 12 3 * 6 = 18 4 * 6 = 24 5 * 6 = 30 6 * 6 = 36
1 * 7 = 7 2 * 7 = 14 3 * 7 = 21 4 * 7 = 28 5 * 7 = 35 6 * 7 = 42 7 * 7 = 49
1 * 8 = 8 2 * 8 = 16 3 * 8 = 24 4 * 8 = 32 5 * 8 = 40 6 * 8 = 48 7 * 8 = 56 8 * 8 = 64
1 * 9 = 9 2 * 9 = 18 3 * 9 = 27 4 * 9 = 36 5 * 9 = 45 6 * 9 = 54 7 * 9 = 63 8 * 9 = 72 9 * 9 = 81
```
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