五（1）班有男生29人，其中有女生21人，男、女生人数各占全班人数的几分之几？
20×××××14×××．
直接写出得数：×2= 6×=×=×1=×=+=×=﹣=
计算下面各题．×××．
直接写出得数． 35×=×=×=×= 24×=×=×= 0×=×6=×=×= 24×=
×1= 0×=×1000= 44×=
×
×
×14×
×
×
．
×2= 6×
=
×
=
×1=
×
=
+
=
×
=
﹣
=
×
×
×
．
=
×
=
×
=
×
=
=
×
=
=
×6=
×
=
×
= 24×
=
×1= 0×
=
×1000= 44×
粤公网安备 44130202000953号