1.九九乘法表
1x1=1 1x2=2 2x2=4 1x3=3 2x3=6 3x3=9 1x4=4 2x4=8 3x4=12 4x4=16 1x5=5 2x5=10 3x5=15 4x5=20 5x5=25 1x6=6 2x6=12 3x6=18 4x6=24 5x6=30 6x6=36 1x7=7 2x7=14 3x7=21 4x7=28 5x7=35 6x7=42 7x7=49 1x8=8 2x8=16 3x8=24 4x8=32 5x8=40 6x8=48 7x8=56 8x8=64 1x9=9 2x9=18 3x9=27 4x9=36 5x9=45 6x9=54 7x9=63 8x9=72 9x9=81
讯享网
第一种:
讯享网#!/bin/bash for i in {
1..9};do for (( j=1;j<=i;j++ ));do printf "${j}x${i}=$[i*j]\t" done printf "\n" done
第二种:
#!/bin/bash for i in {
1..9};do for j in `seq $i`;do printf "${j}x${i}=$[i*j]\t" done printf "\n" done
第三种:
讯享网#!/bin/bash for i in {
1..9};do for j in `seq $i`;do printf "\E[1;$[RANDOM%7+31]m${j}x${i}=$[i*j]\E[0m\t" done printf "\n" done

2.倒状的九九乘法表
1x9=9 2x9=18 3x9=27 4x9=36 5x9=45 6x9=54 7x9=63 8x9=72 9x9=81 1x8=8 2x8=16 3x8=24 4x8=32 5x8=40 6x8=48 7x8=56 8x8=64 1x7=7 2x7=14 3x7=21 4x7=28 5x7=35 6x7=42 7x7=49 1x6=6 2x6=12 3x6=18 4x6=24 5x6=30 6x6=36 1x5=5 2x5=10 3x5=15 4x5=20 5x5=25 1x4=4 2x4=8 3x4=12 4x4=16 1x3=3 2x3=6 3x3=9 1x2=2 2x2=4 1x1=1
第一种:
讯享网#!/bin/bash for ((i=9;i>0;i--));do for((j=1;j<=i;j++));do printf "\E[1;$[RANDOM%7+31]m${j}x${i}=$[j*i]\E[0m\t" done printf "\n" done
第二种:
#!/bin/bash for ((i=9;i>0;i--));do for j in `seq $i`;do printf "\E[1;$[RANDOM%7+31]m${j}x${i}=$[j*i]\E[0m\t" done printf "\n" done
第三种:
讯享网#!/bin/bash for ((i=1;i<=9;i++));do for j in $(seq `echo $[10-$i]`);do printf "\E[1;$[RANDOM%7+31]m${j}x`echo $[10-i]`=$(((10-i)*j))\E[0m\t" done printf "\n" done
结果:

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