小学五年级下册数学周报:第27期答案 数学周刊(苏教版)五年级第27期答案
\u4e94\u5e74\u7ea7\u4e0b\u518c\u6570\u5b66\u5468\u62a5\u7b2c33\u671f\u7b54\u6848\u3002\u4e00\uff0c1\uff0c\uff086\u5206\u4e4b5\uff09\uff088\u5206\u4e4b3\uff09\uff084\u5206\u4e4b9\uff09 2\uff0c\uff08120\uff09\uff0860\uff09 3\uff0c\uff081\uff09\uff082\uff09 4\uff0c\uff083500\uff09 \uff084\uff0e5\uff09 \uff086400\uff09 \uff089\uff09 \uff0813\uff086\uff09 \uff087\uff0822\uff09 5\uff0c\uff084\uff09\uff088\uff09 6\uff0c\uff081\uff0e2\uff09 7\uff0c\uff0825020\uff09 8\uff0c\uff085\uff09\uff08150\uff09\uff08\u6b63\u65b9\u4f53\uff09 \ufe3f\ufe3f\ufe3f\ufe3f\ufe3f\ufe3f\u7701\u7565\u3002\u3002\u3002\u3002\u3002\u3002
\u7b2c\u4e00\u9898\uff1a
\u7b54\u6848\uff1a
\u7b2c\u4e8c\u9898\uff1a
\u7b54\u6848\uff1a
\u7b2c\u4e09\u9898\uff1a
\u7b54\u6848\uff1a
\u7b2c\u56db\u9898\uff1a
\u7b54\u6848\uff1a
\u6269\u5c55\u8d44\u6599\u8fd9\u90e8\u5206\u5185\u5bb9\u4e3b\u8981\u8003\u5bdf\u7684\u662f\u65e0\u9650\u5c0f\u6570\u7684\u77e5\u8bc6\u70b9\uff1a
\u7ecf\u8ba1\u7b97\u5316\u4e3a\u5c0f\u6570\u540e\uff0c\u5c0f\u6570\u90e8\u5206\u65e0\u7a77\u5c3d\uff0c\u4e0d\u80fd\u6574\u9664\u7684\u6570\u3002\u5341\u8fdb\u5236\u8ba1\u6570\u6cd5\uff1a10\u4e2a\u4e00\u662f\u5341\uff0c10\u4e2a\u5341\u662f\u767e\u2026\u202610\u4e2a\u4e00\u767e\u4ebf\u662f\u4e00\u5343\u4ebf\uff0c\u6bcf\u76f8\u90bb\u4e24\u4e2a\u8ba1\u6570\u5355\u4f4d\u4e4b\u95f4\u7684\u8fdb\u7387\u90fd\u662f\u5341\u3002\u8fd9\u79cd\u8ba1\u6570\u65b9\u6cd5\u53eb\u505a\u5341\u8fdb\u5236\u8ba1\u6570\u6cd5\u3002
\u5728\u6d4b\u91cf\u7269\u4f53\u65f6\uff0c\u5f80\u5f80\u4f1a\u5f97\u5230\u4e0d\u662f\u6574\u6570\u7684\u6570\u3002\u4e8e\u662f\u53e4\u4eba\u5c31\u53d1\u660e\u4e86\u5c0f\u6570\u6765\u8865\u5145\u6574\u6570\u3002\u5c0f\u6570\u662f\u5341\u8fdb\u5206\u6570\u7684\u4e00\u79cd\u7279\u6b8a\u8868\u73b0\u5f62\u5f0f\u3002
\u5c0f\u6570\u4e2d\u7684\u5706\u70b9\u53eb\u505a\u5c0f\u6570\u70b9\uff0c\u5b83\u662f\u4e00\u4e2a\u5c0f\u6570\u7684\u6574\u6570\u90e8\u5206\u548c\u5c0f\u6570\u90e8\u5206\u7684\u5206\u754c\u7ebf\uff0c\u5c0f\u6570\u70b9\u5de6\u8fb9\u7684\u90e8\u5206\u662f\u6574\u6570\u90e8\u5206\uff0c\u5c0f\u6570\u70b9\u53f3\u8fb9\u7684\u90e8\u5206\u5219\u662f\u5c0f\u6570\u90e8\u5206\u3002\u6574\u6570\u90e8\u5206\u4e3a\u96f6\u7684\u5c0f\u6570\u53eb\u505a\u7eaf\u5c0f\u6570\uff0c\u800c\u6574\u6570\u90e8\u5206\u4e0d\u662f\u96f6\u7684\u5c0f\u6570\u53eb\u505a\u5e26\u5c0f\u6570\u3002\u4f8b\u5982\uff1a0.3\u662f\u7eaf\u5c0f\u6570\uff0c3.1\u5219\u662f\u5e26\u5c0f\u6570\u3002
绛旓細绛旀锛氱浜岄锛氱瓟妗堬細绗笁棰橈細绛旀锛氱鍥涢锛氱瓟妗堬細
绛旓細3.2.3.2.4.2.3
绛旓細涔熷彲鐩存帴鐐光滄悳绱㈣祫鏂欌濇悳绱㈡暣涓棶棰樸 鍏骞寸骇涓嬪唽 鏁板鍛ㄦ姤 瀛︿互鑷寸敤 鏅哄姏 闂叧 鎼滅储璧勬枡 蹇界暐 鎻愪氦鍥炵瓟 鍖垮悕 鍥炵瓟鑷姩淇濆瓨涓 浣犵殑鍥炵瓟琚噰绾冲悗灏嗚幏寰: 绯荤粺濂栧姳15(璐㈠瘜鍊+鎴愰暱鍊)+闅鹃濂栧姳30(璐㈠瘜鍊+鎴愰暱鍊)涓轰綘鎺ㄨ崘:鐗瑰埆鎺ㄨ崘 濡傜湡鏈夐緳,瀹冪殑椋炶鍘熺悊鏄粈涔? 鍙や唬鐨勫澶╂湁鍐伴晣椋熷搧鍚冨悧? 涓浗棣栨鏁插ゥ杩愪箣闂...
绛旓細涓嬮潰杩樻病鍐欙紝鎴戜笉纭畾瀵逛笉瀵广
绛旓細鏀鹃杩囨潵锛亊
绛旓細1銆佹姤绾稿彂鏀剧粰瀛︾敓鍚庯紝棣栧厛璁╁鐢熸妸鎶ョ焊鏁翠綋鍐呭閮界湅涓閬嶇啛鎮変竴涓嬶紝鐒跺悗閫夋嫨涓銆佷袱绡囪嚜宸辨渶鎰熷叴瓒g殑鏂囩珷璇荤啛锛屾垜浠畨鎺掑湪鍛ㄤ簩--鍛ㄤ簲浠讳竴闃呰鏃堕棿璁╁鐢熻鎶ワ紝骞惰杩板叾鍐呭锛2銆佸湪姣忎竴鑺傚唴瀹规垨姣忎竴鍗曞厓鏁欏缁撴潫鍚庯紝杩涜鍚屾缁冧範鎴栬窡韪娴嬶紱杩欓儴鍒嗗唴瀹逛笌涔︽湰鐭ヨ瘑缁撳悎绱у瘑锛屾槸闈炲父濂界殑琛ュ厖杈呭鏉愭枡銆傚湪缁冧範...
绛旓細鐢ㄤ竴寮犺竟闀挎槸6.28鍒嗙背鐨勬鏂硅绾革紝鍗锋垚涓涓渾鏌辫绾哥瓛锛堟帴澶村蹇界暐涓嶈锛夛紝缁欒繖涓焊绛掗厤涓婁竴涓簳闈紝杩欎釜搴曢潰鐨勫崐寰勬槸锛堬級鍒嗙背
绛旓細鈭达紟鈭达紟锛2锛夆埖Cn鐨勫绉拌酱鍨傜洿浜巟杞达紝涓旈《鐐逛负Pn锛屸埓璁綜n鐨勬柟绋嬩负锛庢妸Dn锛0锛宯2+1锛変唬鍏ヤ笂寮忥紝寰梐=1锛屸埓Cn鐨勬柟绋嬩负y=x2+锛2n+3锛墄+n2+1锛庘埖kn=y'|x=0=2n+3锛屸埓锛屸埓==锛庯紙3锛塗={y|y=锕o紙12n+5锛夛紝n鈭圢*}={y|y=锕2锛6n+1锛夛梗3锛宯鈭圢*}锛屸埓S鈭㏕=T锛孴涓渶澶ф暟...
绛旓細濡傛灉浣犺鎶勭瓟妗堢殑璇濓紝寤鸿浣犺繕鏄斁寮冭繖涓兂娉曘傚涔犳槸涓轰簡鑷繁锛屾妱绛旀鍙槸鑷娆轰汉缃簡锛屾氮璐逛簡閽辫祫鍙堟棤鎵鑾枫傚綋鐒朵綘濡傛灉鏄负浜嗗埄鐢ㄧ瓟妗堟壒鏀硅嚜宸卞仛鐨勯鐩殑璇濓紝寤鸿鍘讳功搴楅噰璐垨鍚戣佸笀瀵绘眰甯姪锛岃佸笀涓鑸兘浼氬瓨鏈夌瓟妗堬紝鍙浣犺鏄庢儏鍐碉紝鑰佸笀涓瀹氫細琛ㄧず鐞嗚В骞舵彁渚涗綘鎵闇瑕佺殑绛旀鐨勩
绛旓細2.绛旀涓嶄负涓 3.246 4.x=16 y=1,x=12 y=2,x=8 y=3,x=3 y=3 5.2 6. 2,-2 7. -10/7 8.2x=3y 涓夈1.锛1锛墄=23,y=12 (2)x=48,y=11 2.浜旇█缁濆彞48棣栵紝涓冭█缁濆彞35棣 3.绡悆闃熸湁28涓紝鎺掔悆闃熸湁20涓 4.鍏厓2011骞 锛圔1锛変竴1.D 2.A 浜1. -3,10/3 2.(20x...