My Favourite Sport
My favourite sport is football. After school, I often play football with my friends. I work hard at school and I am on the football team. Sometimes I watch a football game at the gym. Pele is my favourite football player
小明求得某7个自然数的平均数等于30.26,后来发现这个小数的小数点后的最后一位数是错误的.则这7个自然数的平均值应约等于____ .(结果保留到小数点后两位)
小明的爸爸是双眼皮(Aa)、妈妈是单眼皮(aa),小明也是单眼皮.控制小明眼皮的基因组成是( )
如图,在边长为2的菱形ABCD中,∠B=45°,AE是BC边上的高,将△AEB沿AE所在直线翻折得△AEB1,则△AEB1与四边形AECF重叠部分的面积为 ____