题目

英语翻译
8、In what follows,□ and Δ are different numbers.
When 503 is divided by □ the remainder is 20.
When 503 is divided by Δ the remainder is 20.
When 493 is divided by □ x Δ the remainder is_____.

提问时间：2020-11-10

答案

在什么情况如下,□和Δ是不同的号码.
当503除以□ ,余数是20 .
当503除以Δ,余数是20 .
当493除以□ x Δ余数是_____ .
503-20=483 483=3*7*23 因为余数必须小于除数,所以一个数是21,一个是23 21*23=483,493/483=1.10 余数是10