小学二年级数学找规律,题目是3,4,7,12,19,32,下面应该是多少?是怎样的规律 小学二年级数学找规律题
\u5c0f\u5b66\u4e8c\u5e74\u7ea7\u6570\u5b66\u9898\u627e\u89c4\u5f8b:3,4,7,12,19,( ),( )\u548c2,4,8,16,( ),( )\u600e\u6837\u89e3?3\uff0c4\uff0c7\uff0c12\uff0c19
3\u548c4\u76f8\u5dee\u4e3a\uff1a1\uff1b
4\u548c7\u76f8\u5dee\u4e3a\uff1a3\uff1b
7\u548c12\u76f8\u5dee\u4e3a\uff1a5\uff1b
...
\u56e0\u6b64\u662f
28\uff0c39
2\uff0c4\uff0c8\uff0c16
\u6bcf\u4e2a\u6570\u662f\u524d\u4e00\u4e2a\u6570*2
32\uff0c64
3\u4e0e4\u4e4b\u95f4\u76f8\u5dee1\uff0c4\u4e0e7\u4e4b\u95f4\u76f8\u5dee3\uff0c7\u4e0e12\u4e4b\u95f4\u76f8\u5dee5\uff0c12\u4e0e19\u4e4b\u95f4\u76f8\u5dee7\u3002
\u5148\u60f3\u76f8\u5dee\u7684\uff0c1+2=3\uff0c3+2=5\uff0c5+2=7\uff0c\u6bcf\u4e24\u4e2a\u76f8\u5dee\u6570\u90fd\u5dee\uff0c\u4ee5\u6b64\u63a8\u7406\uff0c7+2=9\uff0c\u4e5f\u5c31\u662f\u4e0b\u4e00\u4e2a\u76f8\u5dee\u6570\u4e3a9\u3002
\u56e0\u4e3a3+1=4\uff0c4+3=7\uff0c7+5=12\uff0c12+7=19\uff0c\u524d\u4e00\u4e2a\u6570\u52a0\u4e0a\u76f8\u5dee\u6570\u5f97\u51fa\u540e\u4e00\u4e2a\u6570\uff0c\u6240\u4ee519+9=28\uff0c\u4e0b\u4e00\u4e2a\u62ec\u53f7\u8981\u586b28\u3002
\u627e\u89c4\u5f8b\u662f\u5c0f\u5b66\u6570\u5b66\u548c\u4e2d\u5b66\u6570\u5b66\u6559\u5b66\u7684\u57fa\u672c\u6280\u80fd\uff0c\u76ee\u7684\u662f\u8ba9\u5b66\u751f\u53d1\u73b0\u3001\u7ecf\u5386\u3001\u63a2\u7a76\u56fe\u5f62\u548c\u6570\u5b57\u7b80\u5355\u7684\u6392\u5217\u89c4\u5f8b\uff0c\u901a\u8fc7\u6bd4\u8f83\uff0c\u4ece\u800c\u7406\u89e3\u5e76\u638c\u63e1\u627e\u89c4\u5f8b\u7684\u65b9\u6cd5\uff0c\u57f9\u517b\u5b66\u751f\u521d\u6b65\u7684\u89c2\u5bdf\u3001\u64cd\u4f5c\u3001\u63a8\u7406\u80fd\u529b\u3002
\u627e\u89c4\u5f8b\u7684\u7c7b\u578b\u7b80\u76f4\u6570\u4e0d\u6e05\u3002\u6709\u7684\u662f\u6240\u7ed9\u6570\u5b57\u95f4\u6709\u89c4\u5f8b\uff0c\u6709\u7684\u662f\u9694\u4e00\u4e2a\u6570\u5b57\u95f4\u6709\u89c4\u5f8b\u3002\u8fd8\u6709\u7684\u662f\u76f8\u90bb\u4e24\u4e2a\u6570\u5b57\u4e4b\u95f4\u7684\u5dee\u5448\u67d0\u79cd\u89c4\u5f8b\u3002 \u89c4\u5f8b\u53ef\u80fd\u6709\u540c\u52a0\u540c\u51cf\u540c\u4e58\u4e00\u4e2a\u6570\u6216\u4e00\u4e2a\u6570\u5217\uff0c\u6216\u8005\u5e73\u65b9\u3002
\u6269\u5c55\u8d44\u6599\uff1a
\u9002\u7528\u8303\u56f4
\u5c0f\u5b66\u7684\u627e\u89c4\u5f8b\u5f88\u7b80\u5355\uff0c\u53ea\u6709\u52a0\u6216\u51cf\u4ee5\u53ca\u4e58\u9664\uff0c\u4e0d\u4f1a\u6709\u5e73\u65b9\u8fd9\u79cd\u592a\u8fc7\u9ebb\u70e6\u7684\u89e3\u6cd5\uff0c\u867d\u7136\u6709\u65f6\u5019\uff0c\u78b0\u5de7\u5728\u52a0\u51cf\u4e58\u9664\u4e2d\u53c8\u6709\u4e86\u5e73\u65b9\u3002
\u4e2d\u5b66\u7684\u7a0d\u5fae\u96be\u4e00\u4e9b\uff0c\u53c8\u5728\u5e73\u65b9\u7684\u57fa\u7840\u4e0a\u52a0\u4e86\u6b21\u65b9\uff0c\u8fd8\u6709\u627e\u89c4\u5f8b\u65f6\u53ef\u80fd\u7528\u5230\u7b49\u5dee\u6570\u5217\u3002\u4e0d\u8fc7\u5982\u679c\u597d\u597d\u5b66\uff0c\u8fd8\u662f\u5f88\u7b80\u5355\u7684\u3002
\u5927\u5b66\u5c31\u57fa\u672c\u6ca1\u6709\u4ec0\u4e48\u627e\u89c4\u5f8b\u4e4b\u7c7b\u7684\u9898\u4e86\uff0c\u53ef\u80fd\u6709\u4f46\u51e0\u7387\u5f88\u5c0f\u3002
绛旓細51
绛旓細浜屽勾绾涓婂唽鏁板鎵捐寰濡備笅锛棰樼洰锛3 4 7 12 19 ( )瑙ｆ瀽锛3涓4涔嬮棿鐩稿樊1锛4涓7涔嬮棿鐩稿樊3锛7涓12涔嬮棿鐩稿樊5锛12涓19涔嬮棿鐩稿樊7銆傚厛鎯崇浉宸殑锛1+2=3锛3+2=5锛5+2=7锛屾瘡涓や釜鐩稿樊鏁伴兘宸紝浠ユ鎺ㄧ悊锛7+2=9锛屼篃灏辨槸涓嬩竴涓浉宸暟涓9銆傚洜涓3+1=4锛4+3=7锛7+5=12锛12+7=1...
绛旓細3.10.17閮藉樊7 8.18.28 閮藉樊10 鈭 3 ,8,10,18,17,28 ,(24),(38),(31),(48)涓嶆噦锛岃杩介棶锛岀鎰夊揩
绛旓細3锛4锛7锛12锛19 3鍜4鐩稿樊涓猴細1锛4鍜7鐩稿樊涓猴細3锛7鍜12鐩稿樊涓猴細5锛...鍥犳鏄 28锛39 2锛4锛8锛16 姣忎釜鏁版槸鍓嶄竴涓暟*2 32锛64
绛旓細1銆2銆2銆4銆3銆6銆4銆8銆5銆10銆6 濂囨暟浣嶇疆1锛2锛3锛4锛5锛6 鍋舵暟浣嶇疆2锛4锛6锛8锛10 灏忓浜屽勾绾ф暟瀛︽壘瑙勫緥:1銆2銆2銆4銆3銆6銆4銆8銆5銆侊紙10 锛夈侊紙6 锛1*2=2锛2-0=2锛2*2=4锛4-1=3锛3*2=6锛6-2=4锛4*2=8锛8-3=5锛5*2=10锛10-4=6 ...
绛旓細绗竴涓瓟妗 17*3=51 鍘熷洜鏄 45闄や互3= 15 48闄や互3=16 鍚庨潰鐨 棰樻湁闂 寰堝绉嶅～娉
绛旓細杩欐槸鏂愭尝閭ｅ鏁板垪锛1 1 2 3 5 8 13 21 34 56鈥︹︿腑鐨勪竴閮ㄥ垎锛屽悗涓涓暟涓哄墠涓や釜涔嬪拰锛屾枑娉㈤偅濂戞暟鍒楀張鍥鏁板瀹跺垪鏄傜撼澶毬锋枑娉㈤偅濂戜互鍏斿瓙绻佹畺涓轰緥瀛愯屽紩鍏ワ紝鏁呭張绉颁负鈥滃厰瀛愭暟鍒椻濄
绛旓細鏍规嵁缁欏畾鐨勬暟鍒楋紝鍙互瑙傚療鍒颁互涓嬭寰嬶細- 姣忎袱涓暟涔嬮棿閮芥湁涓涓暟瀛楃殑閲嶅锛岄噸澶嶇殑鏁板瓧鏄墠涓涓暟鐨勪袱鍊嶃- 姣忎釜閲嶅鐨勬暟瀛楅兘鏄墠涓涓噸澶嶆暟瀛楃殑澧炲姞鍊笺傛牴鎹繖涓瑙勫緥锛鍙互濉叆浠ヤ笅鏁板瓧鏉ュ畬鎴愭暟鍒楋細1, 2, 3, 3, 6, 5, 10, 8, 15, 13, 26, 21, 28, 34 ...
绛旓細姣忎竴鍒楃殑瑙勫緥鏄鏈涓嬩竴涓暟鏄笂闈袱涓暟鐨勫钩鍧囧硷紝鎵浠ュ～4
