【亚博APP买球信誉靠谱】双语科技百科(数学) 第30期:九九乘法表

Multiplication Table九九乘法表格Chinese students are no strangers to the multiplication table. Known as jiujiu biao(Nine-nines rhyme),the multiplication table was already very popular as early as the seventh century BC in China according to historical very popular as early as the seventh century BC in China according to historical records.It was titled this because when it was taught one would start with “nine times nine ( 9×9)”and work his or her way down to “1×1”.In today’s schools in China.students start with“1×1”and work their way up.中国的学生都背过九九乘法表格。 继续阅读