试题再现:2013年12月4日,我国传统珠算被联合国教科文组织审议后,正式列入人类非物质文化遗产名录。在算盘上,一颗上珠表示5,一颗下珠表示1,右图中的数就表示57。如果在算盘上用两颗算珠表示一个两位数,可以表示出()个不同的两位数;如果用两颗算珠表示一个五位数,可以表示出()个不同的五位数。此题为2014年1月我区某小学四年级数学期末试卷的一道填空题,是压轴题,也是原创题。题目首次亮相后,一石激起千层浪,引 Reproduction of Test Questions: On December 4, 2013, China’s traditional abacus was formally listed in the Intangible Cultural Heritage of Humanity after being considered by UNESCO. On the abacus, one bead represents five, one bead represents one, and the number on the right shows fifty-seven. If you use a two-figure abacus to represent a two-digit number on an abacus, you can represent () a different two-digit number. If you use two numbers to represent a five-digit number, you can indicate () a different five-digit number . This question is January 2014 a district primary school fourth grade mathematics final papers a fill in the blank, is a finale, but also the original title. After the debut of the title, a stone aroused waves, cited