25*26*(1/26+1/25)简便计算要算式Mr Brown is a good doctor and he always _其他解答

25*26*(1/26+1/25)简便计算要算式
Mr Brown is a good doctor and he always works h（问h后填什么）快的话加积分

人气：286 ℃　时间：2020-06-19 15:10:10

解答

25x26x(1/26+1/25)
=25x26x1/26+25x26x1/25
=25+26
=51英语题呢