五(1)班有学生50人，其中有女生21人，男生占全班人数的几分之几?
解：( 50﹣21)÷ 50，
=29÷ 50
=29/50;
答：男生占全班人数的29/50
暂无解析
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1 米的5/6和________米的1/6相等;3/4再加上 ________个1/4就是最小的质数.
在横线里填上“>”“<”或“=.”
