× ÷![]() | ÷ ×![]() | ÷ ÷![]() | ÷ × . |
解: × ÷ ,
; |
÷
×
,
=
×
×
,
=
;
÷
÷
,
=
×
×
,
=1;
÷
×
,
=
×
×
,
=
.
分析:分数乘除混合运算,先把除法改为乘法,乘以除数的倒数,进一步利用分数乘法计算即可.
点评:计算分数乘除混合运算,注意把除改为乘,除以“谁”就乘“谁”的倒数.
编辑:chaxungu时间:2026-04-27 09:00:41分类:小学数学题库
× ÷![]() | ÷ ×![]() | ÷ ÷![]() | ÷ × . |
解: × ÷ ,
; |
÷
×
,
=
×
×
,
=
;
÷
÷
,
=
×
×
,
=1;
÷
×
,
=
×
×
,
=
.