小升初2017年数学经典试题(13)
一桶油连桶重16千克,用去一半后,连桶重9千克,桶重多少千米?
想:
由已知条件可知,16千克和9千克的差正好是半桶油的重量。9千克是半桶油和桶的重量,去掉半桶油的重量就是桶的重量。
解:
9-(16-9)
=9-7
=2(千克)
答:
桶重2千克。
热门排序
推荐文章
SQL Error: select id,classid,ttid,onclick,plnum,totaldown,newspath,filename,userid,username,firsttitle,isgood,ispic,istop,isqf,ismember,isurl,truetime,lastdotime,havehtml,groupid,userfen,titlefont,titleurl,stb,fstb,restb,keyboard,eckuid,title,ftitle,newstime,titlepic,smalltext,diggtop from ***_ecms_news where (classid='551') and ispic=1 order by newstext DESC limit 1SQL Error: select id,classid,ttid,onclick,plnum,totaldown,newspath,filename,userid,username,firsttitle,isgood,ispic,istop,isqf,ismember,isurl,truetime,lastdotime,havehtml,groupid,userfen,titlefont,titleurl,stb,fstb,restb,keyboard,eckuid,title,ftitle,newstime,titlepic,smalltext,diggtop from ***_ecms_news where (classid='551') and ispic=1 order by newstext DESC limit 10