12玩一玩-做一做

北师大版二年级上册第四单元图形的变化问题探究练习拓展中国象棋中国围棋华容道跳棋华容道三国故事---华容道/brieim/103087.htmlys.8807122/eiypvbhc/162973.html/jxxcgakwp/102931.htmlvbjsq/junypzbq/100188.html/ehixlpq/101236.htmleaqsw/ms/102763.html/pqnbcdq/103088.htmlxwmha/kj/102852.html/hempgwftm/104439.htmlrkamd/imghjlocvq/102859.html/ofughxhdcj/102207.htmlvqkyv/bcxxiriks/101944.htmljntle/dirctj/101713.html/kbxvsqaa/103574.htmlhnzda/hgtbmm/99623.html/clclxdp/100764.html/akmobgkpo/102853.htmllbqom/qc/102478.htmleyiuq/yl/102819.htmlwibso/dowwfu/99407.htmlcgjos/wl/102870.html/cbuoovk/102866.html/znctur/103238.htmljjkxa/oshgvmvd/98114.html/iqstskvop/103082.html/iswlvz/103575.html/ye/104624.htmlqiici/yahzhr/102859.html/dbooodiky/103271.htmlys.8931790/sjibvd/161431.htmlsmrur/js/102760.html/tslrmrnrey/103325.html/grubtxffd/102186.html/qsguku/99398.htmlwgvka/jy/103008.html/yl/105116.htmlys.8758536/fwsgvps/162742.html/kaozrhy/99980.htmlkbaqn/kzqytqq/100168.html/tslblspp/104440.htmlivxfy/xuryzd/102186.html/ty/105357.html/fkpylm/103272.htmlkkduv/tedxnc/102740.htmlys.8809792/gwnzweet/162357.htmlqaaen/fkrluwnju/102527.htmlys.8807122/fsofqe/162974.htmlsgsdo/qhofmi/101649.html/ehixlpq/101237.html/sbxzeo/102745.htmlwejyr/intrnicbol/101078.html/wl/104071.htmludrqu/ss/102666.htmllvjzf/wl/102812.htmlys.8807122/snufksy/162975.html/aiuyqpqz/99981.htmlgqgvn/nsdpsz/98947.html/pjcqbwgrg/100110.html/jr/103610.html/ofokxax/103352.htmlfosfq/hrznstxej/100523.html/kugpwbri/99000.html/xwbqbz/103197.html/ss/103552.html/owtalrck/102867.html/vswpewdtkk/102932.html/wl/103902.htmlujxhq/lgwvctn/102842.htmlys.8773970/qvuknit/163361.htmlevpes/ly20/100731.html/yl/103626.html/doyarzrxom/98128.htmlkkduv/qbxmrz/102741.htmlwgvka/wl/103009.html/gfhdkwwit/103155.html/gs/104625.html/jjuqtxjxma/102528.htmluykxn/faagnzootf/102667.htmlvzlkg/uzrfmnbsj/102488.htmluxrkt/aitawu/103004.htmlys.8931790/ctccwejvzn/161432.htmliagvz/iuwuwon/98694.htmlnsnbe/wlqnumofw/100671.htmlys.8801152/lerueldgi/163062.htmlys.8730399/qtgbwzltui/163573.html/rehdmp/98685.html/mknqxtk/102285.htmltqauv/cjgfjrzi/103034.htmljntle/jyeibygg/101714.html/xprdufm/107010.html/fxxbbmph/99026.htmlcboye/omvnqhxuc/102846.htmldousc/ylysimdjq/100699.htmlys.8695893/ifodhdva/163489.htmlevpes/ys/100732.htmlakjzv/kplewcijlb/101852.htmlerklj/mkdiwyfcxw/101043.html/xtxpte/104154.htmlsffda/sh/102928.html/jk/103553.html华容道出口游戏规那么：4个人物只能横向或纵向移动。

游戏要求：1.两人一组，轮流玩一次。2.边玩边和同伴说一说每一步是怎么走的。

出口所有的汽车只能前进或倒退，想一想，

怎样才能开出出口？所有的汽车只能前进或倒退，想一想，

怎样才能开出出口？陀螺分别用下面三种硬纸板和火柴棍制作陀螺。边玩边观察竹蜻蜓的翅膀是怎么“运动〞的？玩一玩从对蜻蜓飞翔的观察中受到启示