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打印乘法口诀表四个方向
for (int i = 9; i >= 1; i--) {
for (int k = i - 1; k > 0; k--) {
System.out.print("\t");
}
for (int j = 9; j >= i; j--) {
System.out.print(i + "*" + j + "=" + i * j + "\t");
}
System.out.println();
}
System.out.println("********************************************************************");
for (int i = 1; i <= 9; i++) {
for (int k = i - 1; k > 0; k--) {
System.out.print("\t");
}
for (int j = 9; j >= i; j--) {
System.out.print(i + "*" + j + "=" + i * j + "\t");
}
System.out.println();
}
for (int i = 1; i < 10; i++) {
for (int j = 1; j <= i; j++) {
System.out.print(i + "*" + j + "=" + i * j + "\t");
}
System.out.println("");
}
System.out.println("********************************************************************");
for (int i = 9; i > 0; i--) {
for (int j = 1; j <= i; j++) {
System.out.print(i + "*" + j + "=" + i * j + "\t");
}
System.out.println();
}
(其他)与第一个方向的三角九九乘法表,数据相反
for (int i = 1; i <= 9; i++) {
for (int j = 9; j > 0; j--)
if (j <= i) {
for (int m = 1; m <= j; m++) {
System.out.print(m + "*" + j + "=" + m * j + "\t");
}
break;
} else {
System.out.print("\t");
}
System.out.println();
}
System.out.println("********************************************************************");
for (int i = 9; i >= 1; i--) {
for (int j = 9; j > 0; j--)
if (j <= i) {
for (int m = 1; m <= j; m++) {
System.out.print(m + "*" + j + "=" + m * j + "\t");
}
break;
} else {
System.out.print("\t");
}
System.out.println();
}
打印乘法口诀表四个方向