用96朵红花和72朵白花做花束,如果每个花束里的红花朵数都相等,每个花束里的白花的朵数也都相等.每个花束里最少有几朵花?
解:96和72的最大公因数是24,
96÷24=4(朵)72÷24=3(朵)4+3=7(朵)
答:扎成24束花,每束花里面至少有7束花。
— Excuse me, could you please tell me if the sports meeting ______ on time?
— Hard to say. If it ______ tomorrow, we’ll have to put it off.
下列叙述存在科学性错误的是( )
如图,▱ABCD中,点E是边AD的中点,EC交对角线BD于点F,则EF:FC等于( )