选择乘法口诀助记功能，输出阶梯形式的 9*9 乘法口诀表

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public static void main(String[] args) {
	for (int i = 1; i <=9; i++) {
		for (int j = 1; j <=i; j++) {
			System.out.print(j+"*"+i+"="+j*i+"\t");
		}
		System.out.println();
		
	}
}