2的一倍是多少，二倍又是多少 2的一倍是多少？二倍又是多少？
2\u7684\u4e00\u500d\u662f\u591a\u5c11\uff0c\u4e8c\u500d\u53c8\u662f\u591a\u5c112\u7684\u4e00\u500d\u662f2.2\u76842\u500d\u662f4
\u4f60\u7684\u7406\u89e3\u5e94\u8be5\u662f\u6bd42\u5927\u4e00\u500d\u7684\u662f4,\u6216\u8005\u8bf4\u62102\u7684\u500d\u6570\u662f4.\u5982\u679c\u6709\u5730\u65b9\u8bf42\u7684\u4e00\u500d\u662f4\u90a3\u662f\u751f\u6d3b\u5316\u7528\u8bed,\u7eaf\u7cb9\u4e71\u8bf4\u4e0d\u79d1\u5b66\u7684.\u5982\u679c\u5355\u72ec\u95ee2\u7684\u4e00\u500d,\u5c31\u662f2\u4e58\u4ee51,\u662f2.
2\u7684\u500d\u6570\u67092\uff0c4\uff0c6\uff0c8\u7b49\u7b49\u3002
\u672b\u5c3e\u6570\u5b57\u662f0\uff0c2\uff0c4\uff0c6\uff0c8\u4e2d\u7684\u5176\u4e2d\u4e00\u4e2a\uff0c\u5e76\u4e14\u4e0d\u662f0\u7684\u6570\u4e00\u5b9a\u662f2\u7684\u500d\u6570\uff0c\u56e0\u4e3a2\u7684\u500d\u6570\u4e00\u5b9a\u662f\u4e00\u4e2a\u5076\u6570\uff0c\u5076\u6570\u662f\u6307\u80fd\u591f\u88ab2\u6240\u6574\u9664\u7684\u6574\u6570\u3002\u6574\u6570\u5206\u4e3a\u4e24\u7c7b\uff0c\u4e00\u7c7b\u662f\u5076\u6570\uff0c\u4e00\u7c7b\u662f\u5947\u6570\uff0c\u5947\u6570\u4e00\u5b9a\u4e0d\u662f2\u7684\u500d\u6570\u3002\u500d\u6570\u7684\u5b9a\u4e49\u662f\u4e00\u4e2a\u6570\u80fd\u88ab\u53e6\u4e00\u4e2a\u6570\u6574\u9664\uff0c\u8fd9\u4e2a\u6574\u6570\u5c31\u662f\u53e6\u4e00\u6574\u6570\u7684\u500d\u6570\u3002\u4e00\u4e2a\u6570\u7684\u500d\u6570\u5408\u96c6\u662f\u65e0\u9650\u96c6\u3002
\u5206\u6790\uff1a\u6211\u4eec\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u8fd9\u9053\u5e94\u7528\u9898\uff0c\u8fd9\u9053\u9898\u76ee\u91cc\u9762\u6709\u6574\u6570\u500d\u6570\u5173\u7cfb\uff0c\u4e5f\u6709\u4e0d\u662f\u6574\u500d\u5173\u7cfb\u3002
\u5982\u679c\u5149\u4ece\u6587\u5b57\u6765\u7406\u89e3\u9898\u76ee\u610f\u601d\u53ef\u80fd\u6709\u70b9\u56f0\u96be\uff0c\u6bd5\u7adf\u662f\u4e24\u4e2a\u73ed\uff0c\u5404\u6709\u4e24\u79cd\u7ec3\u4e60\u672c\u3002\u6211\u4eec\u4e4b\u524d\u8bf4\u8fc7\u505a\u8fd9\u6837\u7684\u9898\u76ee\uff0c\u6700\u597d\u7528\u753b\u7ebf\u6bb5\u753b\u793a\u610f\u56fe\u6765\u5e2e\u52a9\u6211\u4eec\u7406\u89e3\u3002
\u4e4b\u524d\u6211\u4eec\u4e5f\u8bf4\u8fc7\uff0c\u4e00\u822c\u662f\u4ee5\u8f83\u5c0f\u7684\u6570\u4f5c\u4e3a\u4e00\u4e2a\u53c2\u7167\uff0c\u628a\u5b83\u5f53\u4f5c1\u4efd\u3002
\u6211\u4eec\u5148\u4ece\u8bed\u6587\u7ec3\u4e60\u672c\u5f00\u59cb\u3002\u9898\u76ee\u8bf4\u4e00\u73ed\u7684\u7ec3\u4e60\u672c\u662f\u4e8c\u73ed\u76843\u500d\uff0c\u90a3\u4e48\u6211\u4eec\u628a\u4e8c\u73ed\u7684\u8bed\u6587\u7ec3\u4e60\u672c\u7684\u6570\u91cf\u5f53\u62101\u4efd\u3002\u6839\u636e\u9898\u76ee\u610f\u601d\u53ef\u4ee5\u753b\u4e00\u4e2a\u7ebf\u6bb5\u793a\u610f\u56fe\uff0c\u901a\u8fc7\u7ebf\u6bb5\u56fe\uff0c\u6211\u4eec\u5f88\u76f4\u89c2\u7684\u53ef\u4ee5\u53d1\u73b0\u4e00\u73ed\u548c\u4e8c\u73ed\u8bed\u6587\u7ec3\u4e60\u672c\u603b\u5171\u662f4\u4efd\u3002\u628a96\u4e2a\u7ec3\u4e60\u672c\uff0c\u5e73\u5747\u5206\u62104\u4efd\uff0c\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u5f88\u8f7b\u677e\u5730\u7b97\u51fa\u6bcf\u4e00\u4efd\u662f\u591a\u5c11\u3002
\u8fd9\u4e2a\u76f4\u63a5\u53ef\u4ee5\u5957\u7528\u548c\u500d\u516c\u5f0f\uff1a\u8f83\u5c0f\u7684\u6570=\u548c\u00f7\uff08\u500d\u6570+1\uff09
\u8fd9\u6837\u7b97\u51fa\u6765\u7684\u662f\u4e8c\u73ed\u7684\u8bed\u6587\u7ec3\u4e60\u672c\u7684\u6570\u91cf\u3002\u4e00\u73ed\u7684\u6570\u91cf\u5c31\u76f8\u5f53\u4e8e\u603b\u7684\u8bed\u6587\u7ec3\u4e60\u672c\u51cf\u53bb\u4e8c\u73ed\u7684\uff0c\u6216\u8005\u8bf4\u76f4\u63a5\u662f\u4e8c\u73ed\u7684\u6570\u91cf\u76843\u500d\uff0c\u8fd9\u4e2a\u5c31\u6574\u6570\u500d\u7684\u6bd4\u8f83\u7b80\u5355\u4e00\u70b9\u3002
\u7136\u540e\u6211\u4eec\u770b\u4e0b\u4e24\u4e2a\u73ed\u7684\u6570\u5b66\u7ec3\u4e60\u672c\u5404\u6709\u591a\u5c11\uff1f
\u540c\u6837\u6211\u4eec\u518d\u753b\u4e00\u4e2a\u7ebf\u6bb5\u56fe\uff0c\u4e8c\u73ed\u6570\u5b66\u7ec3\u4e60\u672c\u662f\u4e00\u73ed\u76844\u500d\u8fd8\u591a3\u4e2a\uff0c\u90a3\u8bf4\u660e\u4e00\u73ed\u7684\u6570\u91cf\u662f\u6bd4\u8f83\u5c11\u7684\u3002\u6b64\u65f6\u6211\u4eec\u628a\u4e00\u73ed\u7684\u6570\u5b66\u7ec3\u4e60\u672c\u6570\u91cf\u770b\u62101\u4efd\u3002\u90a3\u4e48\u4e8c\u73ed\u7684\u5c31\u662f4\u4efd\uff0c\u53e6\u5916\u8fd8\u591a3\u4e2a\uff0c\u4ed6\u4eec\u603b\u7684\u6570\u91cf\u662f153\u3002
\u4e5f\u5c31\u662f\u8bf4\u5982\u679c\u662f5\u4efd\u7684\u8bdd\u76f8\u5f53\u4e8e153-3=150\u3002\u6bcf1\u4efd\u5c31\u662f\u4e00\u73ed\u7684\u6570\u5b66\u7ec3\u4e60\u672c\u7684\u6570\u91cf\uff0c\u90a3\u4e8c\u73ed\u5c31\u76f4\u63a5\u7528\u6570\u5b66\u7ec3\u4e60\u672c\u7684\u603b\u6570\u51cf\u53bb\u4e00\u73ed\u7684\u6570\u91cf\uff0c\u6216\u8005\u53ef\u4ee5\u6839\u636e4\u500d\u591a3\u4e2a\u8fd9\u4e2a\u5173\u7cfb\u7b97\u4e00\u4e0b\u3002
\u6b64\u65f6\u8fd0\u7b97\u4e0d\u6ca1\u7ed3\u675f\uff0c\u56e0\u4e3a\u9898\u76ee\u8bf4\u7684\u662f\u4e00\u73ed\u6bd4\u4e8c\u73ed\u5c11\u4e70\u4e86\u591a\u5c11\u4e2a\u7ec3\u4e60\u672c\uff1f\u90a3\u4e48\u6211\u4eec\u9700\u8981\u5c06\u4e24\u4e2a\u73ed\u7ea7\u7684\u8bed\u6587\u7ec3\u4e60\u672c\u548c\u6570\u5b66\u7ec3\u4e60\u672c\u76f8\u52a0\uff0c\u7136\u540e\u8fdb\u884c\u6bd4\u8f83\u3002
\u4e8c\u73ed\u8bed\u6587\u7ec3\u4e60\u672c\uff1a96\u00f7(1+3)=24(\u4e2a\uff09
\u4e00\u73ed\u8bed\u6587\u7ec3\u4e60\u672c\uff1a24\u00d73=72\uff08\u4e2a\uff09
\u621696-24=72\uff08\u4e2a\uff09
\u4e00\u73ed\u6570\u5b66\u7ec3\u4e60\u672c\uff1a\uff08153\uff0d3\uff09\u00f7\uff081+4\uff09=30\uff08\u4e2a\uff09
\u4e8c\u73ed\u6570\u5b66\u7ec3\u4e60\u672c\uff1a30\u00d74\uff0b3=123\uff08\u4e2a\uff09
\u6216153-30=123\uff08\u4e2a\uff09
\u4e00\u73ed\u603b\u6570\uff1a72\uff0b30=102\uff08\u4e2a\uff09
\u4e8c\u73ed\u603b\u6570\uff1a24\uff0b123=147\uff08\u4e2a\uff09
147-102=45\uff08\u4e2a\uff09
\u7b54\uff1a\u4e00\u73ed\u6bd4\u4e8c\u73ed\u5c1145\u4e2a\u7ec3\u4e60\u672c\u3002
\u6240\u4ee5\u6211\u4eec\u4e00\u76f4\u5f3a\u8c03\uff0c\u80fd\u753b\u793a\u610f\u56fe\u7684\u5c3d\u91cf\u5728\u8349\u7a3f\u4e0a\u753b\u4e0b\u56fe\uff0c\u82b1\u7684\u65f6\u95f4\u4e0d\u591a\uff0c\u4f46\u80fd\u5e2e\u52a9\u6211\u4eec\u8fc5\u901f\u5730\u7406\u6e05\u8fd9\u79cd\u4e0d\u662f\u6574\u500d\u5173\u7cfb\u7684\u9898\u76ee
2\u4e58\u4ee51\u7b49\u4e8e2\uff0c\u6240\u4ee52\u7684\u4e00\u500d\u662f2\u3002
2\u4e58\u4ee52\u7b49\u4e8e4\uff0c\u6240\u4ee52\u7684\u4e24\u500d\u662f4\u3002
\u4ee5\u6b64\u7c7b\u63a8\u662f\u591a\u5c11\u500d\u5c31\u662f\u4e58\u4ee5\u51e0\u5f97\u5230\u7684\u6570\u5b57\u5c31\u662f\u5b83\u7684\u500d\u6570\u3002
一倍是2 2呗是4
4。8
2。。4
绛旓細2鐨勪竴鍊嶆槸2.2鐨2鍊嶆槸4 浣犵殑鐞嗚В搴旇鏄瘮2澶т竴鍊嶇殑鏄4,鎴栬呰鎴2鐨勫嶆暟鏄4.濡傛灉鏈夊湴鏂硅2鐨勪竴鍊嶆槸4閭ｆ槸鐢熸椿鍖栫敤璇,绾补涔辫涓嶇瀛︾殑.濡傛灉鍗曠嫭闂2鐨勪竴鍊,灏辨槸2涔樹互1,鏄2.2鐨勫嶆暟鏈2锛4锛6锛8绛夌瓑銆傛湯灏炬暟瀛楁槸0锛2锛4锛6锛8涓殑鍏朵腑涓涓紝骞朵笖涓嶆槸0鐨勬暟涓瀹氭槸2鐨勫嶆暟锛屽洜涓2鐨勫嶆暟涓...
绛旓細涓鍊嶆槸浜岋紝浜屽嶆槸鍥
绛旓細2鐨勪竴鍊嶏細2脳1=2 涓ゅ:2脳2=4
绛旓細浜屽嶇殑浜屽嶅氨鏄2*2鍗4鍊 鎵浠ヤ簩鍊嶇殑涓鍊嶅氨鏄2*1杩樻槸2鍊
绛旓細2涔樹互1绛変簬2锛屾墍浠2鐨勪竴鍊嶆槸2銆2涔樹互2绛変簬4锛屾墍浠2鐨勪袱鍊嶆槸4銆備互姝ょ被鎺ㄦ槸澶氬皯鍊嶅氨鏄箻浠ュ嚑寰楀埌鐨勬暟瀛楀氨鏄畠鐨勫嶆暟銆
绛旓細鍥炵瓟锛1*1=1 2*1=2 1*2=2 1*3=3 2*2=4
绛旓細鏄6锛澶氫簡4 2缈讳袱缈绘槸澶氬皯锛8 銆 涓ゅ嶅啀涓ゅ 閮芥湁浠涔堝尯鍒晩锛岄渶娉ㄦ剰鐨勬槸瀵瑰惁鍖呮嫭鏈韩 涓涓暟鏄3鐨2鍊嶏紝閭ｇ‘瀹氬氨鏄6锛屼絾鏄澶氫簡2鍊嶉偅灏辨槸 3+3*2 = 9 浜 妗屽瓙杩樻槸10 锛堟棦涓嶆槸5涔熶笉鏄20锛変綘閭ｅ嚦瀛愭瀛愭槸妯″瀷涔堬紝杩欎箞琚栫弽鍟 杩欑闂鏈濂芥彁闂埌鏁板鐗堝潡鍘伙紝鎵嶅鏄撳緱鍒板噯纭殑绛旀銆
绛旓細澧炲姞1鍊嶆槸涔樹互2锛2鐨勪竴鍊嶆槸2锛2鐨勪袱鍊嶆槸4锛屽緱鍑虹殑缁撴灉鏄笉涓鏍风殑銆傗滃鍔犱竴鍊嶁濇槸鎸囧湪鍘熸湁鐨勫熀纭涓婂鍔犱簡涓瀹氱殑鏁伴噺锛屼互棰樼洰涓粰鍑虹殑渚嬪瓙锛2鈥滃鍔犱竴鍊嶁濇槸鍦2鐨勫熀纭涓婂鍔犱簡2脳1锛屽彉鎴愪簡2+2脳1=4锛屽彉鎴愪簡鍘熸潵鐨4梅2=2鍊嶃
绛旓細鎮ㄥソ锛2鐨1鍊嶆槸2锛,2鍊嶆槸4 濡傛灉瀵逛綘鏈夊府鍔╋紝璇烽噰绾筹紒绁濅綘瀛︿範鏇翠笂涓灞傛ゼ锛屾暟瀛﹁緟瀵煎洟涓轰綘瑙ｅ喅鐤戦棶锛
绛旓細2鐨勪竴鍊嶆槸2銆2鐨2鍊嶆槸4銆傝В棰樿繃绋嬪涓嬶細鏍规嵁鍊嶆暟鐨勫畾涔夛紝涓涓暟闄や互鍙︿竴鏁版墍寰楃殑鍟嗐傚a梅b=c锛屽氨鏄锛宎鏄痓鐨勫嶆暟銆備緥濡傦細A梅B=C锛屽氨鍙互璇碅鏄疊鐨凜鍊嶃傝岋紝2梅2=1锛屼篃灏辨槸璇2鏄2鐨1鍊嶃傝岋紝4梅2=2锛屽洜姝わ紝2鐨2鍊嶆槸4銆
