七年级下册数学名校课堂答案

1 设底边长x厘米，则腰长2x厘米 ，所以 x 4x=36 x=7.2厘米 2 假设腰长为8厘米，则底边长36-16=20厘米 8 8=16＜20（两边之和应该大于第三边） 所以应该是底边长8厘米，则 腰长为（36-8）/2=14厘米

七年级上册课堂点睛英语答案

单项选择 BCABDBBBAACDABC 完形填空 AADBCBADCB 阅读理解 CDABA TFFFF 补全对话 This is Peter. Are you free this tomorrow? Are you free this Sunday? Yes,Id love to Ill call here 词汇 speak carry flying cook afraid 汉译英 This call about would have a picnic What up go fishing Section A Ⅰ1.unday2.orget3.free4.kite5.ring Ⅱ1.to go2.shopping3.toke4.Are5.us Ⅲ1.Please tell him about the picnic2.Dont dorget to bring your guitar3.Would you to go fishing4.What do you thing of this green skirt5.Are you free this Sunday Section B Ⅰ1.CDEAB Ⅱ1.DDBAA ⅢFGCEB Section C Ⅰ1.to have a picnic with2.very happy3.going fishing4.afraid have no5.ask to call back ⅡWould like to visit 2.What would you 3. dont have 4.Does have 5.want to Ⅲ JBACEIDGHF Section D Ⅰ1.calls2.shopping3.songs4.you5.having6.tell Ⅱ1.Would 2.can3.can 4.May5.Would Ⅲ1.What about cook2.at home 3.like4.Who are5.cant see any 呼--------累死了 望追加和采纳