day06 九九乘法表
for (int i=1;i<=9;i++){
for(int j=1;j<=i;j++){
system.out.print(i+"*"+j+"="+(i*j)+"\t");
}
system.out.print();
}
for (int i=1;i<=9;i++){
for(int j=1;j<=i;j++){
system.out.print(i+"*"+j+"="+(i*j)+"\t");
}
system.out.print();
}