数学1.10+2+1.5-0.5=13 2.周一12 周二13.5周三13周四11.5周五8.5周六11 所以最高价13.5元,最低价8.5元 3.11*1000*(1-7‰)-(1000*10*7‰+10*1000)=842.5元 英语 how many boys are there in the class room?
1、first l**ten to what has happened to him. 2、help him to analys** it. 3、give him a hug of encouragement 4、speak some happy thing. 5、tell him i will support you forever.