能被3整除的整数 100以内能被3整除的数
\u80fd\u88ab3\u6574\u9664\u662f\u4ec0\u4e48\u610f\u601d\uff1f\u6574\u9664\uff1a\u5982\u679c\u4e00\u4e2a\u6574\u6570 \u9664\u4ee5\u53e6\u4e00\u4e2a\u5927\u4e8e0\u7684\u6574\u6570\uff0c\u5546\u4e3a\u6574\u6570\uff0c\u4e14\u4f59\u6570\u4e3a\u96f6\u3002 \u6211\u4eec\u5c31\u8bf4\u8fd9\u4e2a\u6574\u6570\u80fd\u88ab\u53e6\u4e00\u4e2a\u6574\u6570\u6574\u9664\u3002
\u4f8b\u5982\uff1a12\u00f73\uff1d4\uff0c12\u80fd\u88ab3\u6574\u9664\u3002
\u80fd\u88ab3\u6574\u9664\uff1a\u4e00\u4e2a\u6574\u6570\u9664\u4ee53\uff0c\u5546\u662f\u6574\u6570\uff0c\u4f59\u6570\u4e3a0\u3002\u8fd9\u4e2a\u6574\u6570\u5176\u5b9e\u5c31\u662f3\u7684\u500d\u6570\u3002
\u5224\u65ad\u80fd\u88ab3\u6574\u9664\u7684\u65b9\u6cd5\uff1a\u4e00\u4e2a\u6574\u6570\u7684\u5404\u4e2a\u6570\u4f4d\u4e0a\u7684\u6570\u5b57\u7684\u548c\u5982\u679c\u662f3\u7684\u500d\u6570\uff0c\u8fd9\u4e2a\u6574\u6570\u5c31\u80fd\u88ab3\u6574\u9664\u3002
\u80fd\u88ab3\u6574\u9664\u7684\u6570\u6709\uff1a3\u30016\u30019\u300112\u300115\u300118\u300121\u300124\u300127\u300130\u300133\u300136\u2026\u2026
\u65b9\u6cd5\u4e00\uff1a\u5bf9\u4e8e\u4e00\u4e2a\u6570\uff0c\u53ea\u8981\u5176\u5404\u4e2a\u4f4d\u6570\u76f8\u52a0\u6240\u5f97\u7684\u548c\u80fd\u88ab3\u6574\u9664\uff0c\u90a3\u4e48\u8fd9\u4e2a\u6570\u5c31\u80fd\u88ab3\u6574\u9664\uff0c\u598233\uff1a3+3=6\uff0c6\u53ef\u4ee5\u88ab3\u6574\u9664\uff0c\u90a3\u4e4833\u53ef\u4ee5\u88ab3\u6574\u9664\u3002
\u65b9\u6cd5\u4e8c\uff1a3\u7684\u500d\u6570\u90fd\u53ef\u4ee5\u88ab3\u6574\u9664\uff0c\u8981\u8ba1\u7b97100\u4ee5\u5185\u80fd\u88ab3\u6574\u9664\u7684\u6570\u75283\u4f9d\u6b21\u4e58\u4ee5\u5404\u4e2a\u6570\u5373\u53ef,\u5217\u5f0f\uff1a3n\uff08n=1\u30012\u30013...)
100\u4ee5\u5185\u80fd\u88ab3\u6574\u9664\u7684\u6570\u6709\uff1a3\u30019\u300112\u300115\u300118\u300121\u300124\u300127\u300130\u300133\u300136\u300139\u300142\u300145\u300148\u300151\u300154\u300157\u300160\u300163\u300166\u300169\u300172\u300175\u300178\u300181\u300184\u300187\u300190\u300193\u300196\u300199\u3002
\u62d3\u5c55\u8d44\u6599\u82e5\u6574\u6570a\u9664\u4ee5\u975e\u96f6\u6574\u6570b\uff0c\u5546\u4e3a\u6574\u6570\uff0c\u4e14\u4f59\u6570\u4e3a\u96f6\uff0c \u6211\u4eec\u5c31\u8bf4a\u80fd\u88abb\u6574\u9664\uff08\u6216\u8bf4b\u80fd\u6574\u9664a\uff09\uff0ca\u4e3a\u88ab\u9664\u6570\uff0cb\u4e3a\u9664\u6570\uff0c\u5373b\u4e28a\uff08\u201c\u4e28\u201d\u662f\u6574\u9664\u7b26\u53f7\uff09\uff0c\u8bfb\u4f5c\u201cb\u6574\u9664a\u201d\u6216\u201ca\u80fd\u88abb\u6574\u9664\u201d\u3002a\u53eb\u505ab\u7684\u500d\u6570\uff0cb\u53eb\u505aa\u7684\u7ea6\u6570\uff08\u6216\u56e0\u6570\uff09\u3002\u6574\u9664\u5c5e\u4e8e\u9664\u5c3d\u7684\u4e00\u79cd\u7279\u6b8a\u60c5\u51b5\u3002
规律：各个数位上数字的和是3的倍数，就能被3整除
能被3整除的整数的各位数之和是3的倍数。
如果不懂，请追问，祝学习愉快！
就是各个数相加,除以3是整数,没有余数,那么这个数就是能被3整除的整数
绛旓細3锛6锛9锛12锛15鈥︹﹁寰锛氬悇涓暟浣嶄笂鏁板瓧鐨勫拰鏄3鐨勫嶆暟锛屽氨鑳借3鏁撮櫎
绛旓細鍙互琚3鏁撮櫎鐨勬暣鏁锛屾墍鏈変綅鏁颁笂鐨勬暟瀛椾箣鍜岀浉鍔犲悗鏄3鐨勫嶆暟銆傚锛75=3X25 婊¤冻锛7+5=12=3X4;30 =3X10 婊¤冻锛3+0=3=1X3 135 =3X45 婊¤冻锛1+3+5=9=3X3 13602=3X4534 婊¤冻锛1+3+6+0+2=12=3X4
绛旓細2锛夊鏋滐紝鏄釜澶氫綅鏁帮紝閭ｄ箞锛屾妸鍚勪綅鏁板姞璧锋潵锛屽啀瑙傚療鍏跺拰锛姣斿18锛1+8=9,9鑳借3鏁撮櫎锛屽洜姝18涔熻兘琚3鏁撮櫎锛夛紱濡傛灉杩樻槸澶氫綅鏁帮紝缁х画鍔狅紝鐩磋嚦鎴愪釜浣嶆暟锛屽啀鐢 1锛夊垽鏂紒 姣斿270锛2+7+0=9锛9鑳借3鏁撮櫎锛屽洜姝270涔熻兘琚3鏁撮櫎锛夛紝768锛7+6+8=21锛21鑳借3鏁撮櫎锛屽洜姝768涔熻兘琚3鏁撮櫎锛夋垨鑰...
绛旓細鏃犺鏄粈涔堟暣鏁帮紝鎴栬呰嚜鐒舵暟锛屽彧瑕佽繖涓暟瀛楃殑鎵鏈変綅鍔犺捣鏉ョ殑鍜屾槸3鐨勫嶆暟锛岄偅涔堝氨鑳借3鏁撮櫎锛屼篃灏辨槸璇达紝姣斿3 6 9 12 15 18...102 105 108...杩欎簺鏁板瓧閮借兘琚3鏁撮櫎锛屾瘮濡102锛屾墍鏈変綅涔嬪拰涓1+0+2锛3 锛岄偅涔102灏辫兘琚3鏁撮櫎锛屾槸3鐨勫嶆暟銆備笉鎳傛杩庤拷闂紝鐜伴樁娈典篃涓嶉渶瑕佽缁嗙殑瀹氱悊璇佹槑锛屼綘鐭ラ亾...
绛旓細绗竴涓熀鏈壒寰佹槸锛氳兘琚3鏁撮櫎鐨勬暣鏁颁竴瀹氶兘鏄3鐨勬暣鏁板銆傝繖浜涙暣鏁扮殑鐗圭偣鏄紝鍚勪綅鏁板瓧涔嬧滃拰鈥濊兘琚3鏁撮櫎銆傝兘澶熻3鏁撮櫎鐨勬暟鐨勪釜浣嶆暟鍙兘鏄 3銆6銆9銆傝繖涓壒寰佸緢閲嶈锛岃繖鏄垽鏂竴涓暟鏄惁鑳藉琚3鏁撮櫎鏈鍩虹鐨勬潯浠躲傜涓涓繁鍏ョ壒寰佹槸锛氬鏋滀竴涓暟鐨勫悇浣嶆暟瀛椾箣鍜岃兘澶熻3鏁撮櫎锛岄偅涔堣繖涓暟瀛楀氨鏈夊彲鑳借兘琚...
绛旓細鏈変釜瑙勫緥锛屽氨鏄叾鍚勪釜鏁颁綅涔嬪拰涓3鐨勫嶆暟锛屾瘮濡12 1+2=3 123 1+2+3=6
绛旓細浣犲ソ 瑙ｏ細1鑳借鎵鏈夎緭鏁撮櫎鍏堟帓闄 2鍒300鐨勬暣鏁涓紝鍙互琚3鏁撮櫎鐨鏈3锛 6锛 9...300 鍗3*1锛 3*2锛 3*3锛 ...3*100 鎵浠ユ湁100涓 3*5=15 2鍒300鐨勬暣鏁颁腑锛屽彲浠ヨ15鏁撮櫎鐨勬湁15锛 30锛 45锛 ...300 鍗15*1锛 15*2锛 15*3锛 15*20 鎵浠ユ湁20涓 3*7=21 2鍒300鐨...
绛旓細渚嬪锛12梅3锛4锛12鑳借3鏁撮櫎銆傝兘琚3鏁撮櫎锛氫竴涓暣鏁伴櫎浠3锛屽晢鏄暣鏁帮紝浣欐暟涓0銆傝繖涓暣鏁板叾瀹炲氨鏄3鐨勫嶆暟銆傚垽鏂鑳借3鏁撮櫎鐨鏂规硶锛氫竴涓暣鏁扮殑鍚勪釜鏁颁綅涓婄殑鏁板瓧鐨勫拰濡傛灉鏄3鐨勫嶆暟锛岃繖涓鏁存暟灏辫兘琚3鏁撮櫎銆傝兘琚3鏁撮櫎鐨勬暟鏈夛細3銆6銆9銆12銆15銆18銆21銆24銆27銆30銆33銆36鈥︹
绛旓細鍦100浠ュ唴锛鑳借3鏁撮櫎鐨姝鏁存暟鐨勬弿杩版硶琛ㄧず涓猴細{3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93, 96, 99}銆傚嵆杩欎簺鏁伴兘鏄3鐨勫嶆暟锛屽苟涓旈兘鍦1鍒100鐨勮寖鍥村唴銆
绛旓細1) 鑳借3鏁撮櫎鐨鏁帮細3锛6锛9锛 鍏3涓暟 2) 鑳借4鏁撮櫎鐨勬暟锛4锛8锛 鍏2涓暟锛3) 鑳借鈥3鎴4鈥欐暣闄ょ殑鏁帮細3锛4锛6锛8锛9锛 鍏5涓暟锛4) 鍥犳锛1鍒10涓紝鑳借鈥3鎴4鈥欐暣闄ょ殑姒傜巼 P = 5/10 = 0.5锛5) 1鍒10涓紝鏃㈣兘琚2鍙堣兘琚3鈥欐暣闄ょ殑姒傜巼 P = 1/10 = 0.1...
