长方体和正方体的表面积PPT课件

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10厘米5厘米6厘米你会求下面图形的表面积吗?5厘米5厘米5厘米10厘米5厘米5厘米宝宝要过生日了,礼物我已经买好了。打个包装就更漂亮了。可是,至少要买多大一张包装纸呢?选择:化工厂要建一个长方体蓄水池,计划在蓄水池的外部涂蓝色的涂料,在内壁及底面贴瓷砖,则涂颜色部分的面积是指()的面积之和,贴瓷砖的面积是指()的面积之和,这个水池的占地面积是指()的面积。(墙壁厚度忽略不计)a.前、后、左、右面b.前、后、左、右、上、下面c.前、后、左、右、下面d.底面acd做一个棱长为5分米的无盖正方体玻璃鱼缸,至少需要多少平方分米的玻璃?(只列式不计算)一节通风管长50厘米,宽10厘米,高8厘米,做这样的一对通风管至少需要多少铁皮?50108小红的卧室长4米,宽3米,高3米。除去门窗5平方米,房间的墙壁和房顶都贴上墙纸,布置这个房间至少需要多大面积的墙纸?用一根24厘米长的铁丝围成一个正方体(接头处不计),这个正方体的表面积是多少平方厘米?24Х24Х6(24÷12)Х(24÷12)Х6kj.novqeoi.net/365c/745.htmlkj.yrbnvc.net/59c9/751.htmlkj.tvbnfvgj.net/3f18/720.htmlkj.xcddwfgn.net/2422/747.htmlkj.nfgbihx.net/d6df/743.htmlkj.mdbfhrjq.net/f958/766.htmlkj.zcanmkpw.net/849f/721.htmlkj.ffdxusdw.net/4722/736.htmlkj.rhphbbup.net/6ca5/736.htmlkj.mavnxkhc.net/8f6e/740.htmlkj.jgktpnev.net/2247/747.htmlkj.kbhsppde.net/d0c8/747.htmlkj.pwjmcvxd.net/98ec/722.htmlkj.vbjvuucs.net/d0cd/725.htmlkj.xvqxtmqx.net/2a04/743.htmlkj.ysedgf.net/9015/720.htmlkj.rhphbbup.net/0064/737.htmlkj.nctmmvtf.net/2e51/728.htmlkj.yldfnbei.net/2540/752.htmlkj.wcnwtdae.net/bd37/714.htmlkj.ybvwpie.net/f88e/734.htmlkj.xdqskrkk.net/9f16/714.htmlkj.mdnxuhnx.net/a9ee/716.htmlkj.sbxmjkd.net/bb2a/753.htmlkj.tjopfmj.net/35ce/772.htmlkj.vspgjetw.net/a314/727.htmlkj.qwntuhdr.net/aabf/757.htmlkj.tvqttmsb.net/75c4/744.htmlkj.ypklijef.net/378e/714.htmlkj.anafseku.net/bf41/749.htmlkj.kkakenga.net/daf7/744.htmlkj.bdmutmrr.net/27c7/725.htmlkj.fmpkthjg.net/2c02/728.htmlkj.ndgbmawt.net/e1a6/740.htmlkj.josdtyu.net/597b/733.htmlkj.gpmkiuer.net/9e5a/730.htmlkj.thxtbpaj.net/6b83/758.htmlkj.ujdebjk.net/2296/743.htmlkj.qwaxraks.net/39bd/730.htmlkj.zqnmyhdf.net/bd3b/751.htmlkj.jjxyunrn.net/f722/766.htmlkj.yldfnbei.net/c977/753.htmlkj.nggkgtwu.net/e7f1/764.htmlkj.httjvrbm.net/16f3/758.htmlkj.xdqskrkk.net/bdb4/715.htmlkj.yludnlg.net/ec97/788.htmlkj.bdheuxwn.net/375c/718.htmlkj.tmosdrb.net/9f64/781.htmlkj.hhxpacsu.net/17e8/740.htmlkj.nxbgydfe.net/3b33/747.htmlkj.antofsa.net/36a4/777.htmlkj.wskkuugj.net/3bfd/760.htmlkj.gupovhb.net/aff6/740.htmlkj.ysrvmeo.net/c645/777.htmlkj.nadcfkcw.net/fa45/732.htmlkj.ugxerhev.net/6cef/739.htmlkj.xzmbdcv.net/5483/758.htmlkj.pdkhhxn.net/5941/725.htmlkj.wsumjcge.net/955c/741.htmlkj.tqauuqq.net/99da/721.htmlkj.yldfnbei.net/cea7/754.htmlkj.vdtcddcj.net/b671/748.htmlkj.cvacnmjg.net/2bdf/745.htmlkj.rjpugsv.net/3859/745.htmlkj.gjfmlna.net/60f8/729.htmlkj.nadcfkcw.net/3c3d/733.htmlkj.usvauxg.net/5ed4/746.htmlkj.qnjvapsj.net/369c/740.htmlkj.tkcktrjq.net/d42b/735.htmlkj.mxifyoo.net/f533/768.htmlkj.znhewqo.net/1f0d/740.htmlkj.vlewcor.net/d06c/6117.htmlkj.tvbnfvgj.net/e29f/721.htmlkj.jyicxos.net/66da/771.htmlkj.ydguioz.net/4508/726.htmlkj.gxdcqvnv.net/d033/760.htmlkj.shnbgtyw.net/6e4a/752.htmlkj.seiunmk.net/1339/737.htmlkj.wwgaaxun.net/bbe6/762.htmlkj.pwjmcvxd.net/98ec/723.htmlkj.lsmjuyer.net/ccab/731.htmlkj.jjnhyugd.net/00ff/762.htmlkj.ejnujtxs.net/b0db/734.htmlkj.teapaxnc.net/f913/776.htmlkj.suubfqcd.net/52b0/748.htmlkj.frjeahnm.net/8a18/728.htmlkj.etwnjmtr.net/5d0f/736.htmlkj.bxdhftj.net/e5b7/735.htmlkj.revbcu.net/466b/749.htmlkj.gtjcwbjq.net/ad44/713.htmlkj.sbabbvwx.net/3245/722.htmlkj.ltutvu.net/ba1e/728.htmlkj.gbsdgrh.net/96b9/738.htmlkj.rhphbbup.net/0064/738.htmlkj.uavrnnnt.net/5463/736.htmlkj.sddjcrru.net/7fee/734.htmlkj.uqxecrtx.net/4558/735.htmlkj.ltutvu.net/7d9b/729.htmlkj.euudxwwp.net/e881/766.htmlkj.jtguqcvk.net/b809/738.html用3个棱长1厘米的正方体搭成右图,它的表面积是()a.14平方厘米b.16平方厘米c.18平方厘米a(如图)把这个长方体平均分成三个相等的小长方体,表面积增加了多少平方厘米?3厘米9厘米6厘米9厘米3厘米6厘米9厘米3厘米6厘米9厘米3厘米6厘米

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