0、8、5、3组成奇数有哪些组成2的倍数有哪些？偶数呢5的倍数呢既是2又是5的倍数呢？只能用两张卡片写三个 5 0 8 2 组成3位数奇数 偶数 2的倍数 5的倍数 3...
0\u30018\u30015\u30013\u7ec4\u6210\u5947\u6570\u6709\u54ea\u4e9b\uff1f\u7ec4\u62102\u7684\u500d\u6570\u6709\u54ea\u4e9b\uff1f\u5076\u6570\u5462\uff1f5\u7684\u500d\u6570\u5462\uff1f\u65e2\u662f2\u53c8\u662f5\u7684\u500d\u6570\u5462\uff1f\u5947\u6570\u6709\uff1a8503\u30018053\u30015083\u30015803\u30018305\u30018035\u30013085\u30013805\uff1b
2\u7684\u500d\u6570\u6709\uff1a8530\u30018350\u30015830\u30015380\u30013850\u30013580\u30015308\u30015038\u30013508\u30013058\uff1b
\u5076\u6570\uff1a8530\u30018350\u30015830\u30015380\u30013850\u30013580\u30015308\u30015038\u30013508\u30013058\uff1b
5\u7684\u500d\u6570\uff1a8530\u30018350\u30015830\u30015380\u30013850\u30013580\u30018305\u30018035\u30013805\u30013085\uff1b
\u65e2\u662f2\u53c8\u662f5\u7684\u500d\u6570\uff1a8530\u30018350\u30015830\u30015380\u30013850\u30013580\u3002
\u5947\u6570205\u3001285\u3001805\u3001825
\u5076\u6570 502\u3001582\u3001802\u3001852\u3001508\u3001528\u3001258\u3001208\u3001280\u3001250\u3001850\u3001820\u3001580
2\u7684\u500d\u6570 502\u3001582\u3001802\u3001852\u3001508\u3001528\u3001258\u3001208\u3001280\u3001250\u3001850\u3001820\u3001
5\u7684\u500d\u6570 205\u3001285\u3001805\u3001825\u3001280\u3001250\u3001850\u3001820\u3001580
3\u7684\u500d\u6570 258\u3001285\u3001528\u3001582\u3001825\u3001852
\u65e2\u662f2\u7684\u500d\u6570\u53c8\u662f3\u7684\u500d\u6570 258\u3001528\u3001582\u3001852
\u65e2\u662f2\u7684\u500d\u6570\u53c8\u662f5\u7684\u500d\u6570 280\u3001250\u3001850\u3001820\u3001580
\u65e2\u662f5\u7684\u500d\u6570\u53c8\u662f3\u7684\u500d\u6570 850\u3001580
2的倍数（偶数）：以0或8结尾：00，30,50,80,38.58,88,
5的倍数：以5或0结尾，05,35,85,55，00,30,50,80
2和5的倍数:以0结尾： 00,30,50,80
绛旓細濂囨暟鏈夛細8503銆8053銆5083銆5803銆8305銆8035銆3085銆3805锛2鐨勫嶆暟鏈夛細8530銆8350銆5830銆5380銆3850銆3580銆5308銆5038銆3508銆3058锛涘伓鏁帮細8530銆8350銆5830銆5380銆3850銆3580銆5308銆5038銆3508銆3058锛5鐨勫嶆暟锛8530銆8350銆5830銆5380銆3850銆3580銆8305銆8035銆3805銆3085锛涙棦鏄2鍙堟槸5鐨勫嶆暟锛8...
绛旓細1. 35锛氱敱3鍜5缁勬垚鐨勪袱浣嶆暟锛屼篃鏄濂囨暟銆2. 53锛氱敱5鍜3缁勬垚鐨勪袱浣嶆暟锛屼篃鏄鏁般傚嵆锛屼粠3銆0銆5銆8涓换閫変袱浣嶆暟涓紝鍙湁35鍜53鏄鏁般傛敞鎰忥紝鎵鏈夐夋嫨涓や綅鏁颁腑閮芥病鏈0锛鍥犱负0涓嶆槸濂囨暟涔熶笉鏄伓鏁般
绛旓細鐢卞垎鏋愬彲鐭ワ細鍏卞彲浠ョ粍鎴18涓笉鍚岀殑涓浣嶆暟锛岃屽鏁板彧鏈8涓紝鍒欏彲鑳芥э細8梅18= 4 9 锛涚瓟锛缁勬垚濂囨暟鐨勫彲鑳芥ф槸 4 9 锛涙晠绛旀涓猴細 4 9 锛
绛旓細濂囨暟鍙湁灏炬暟鏄3鎴5锛屽鏁涓暟2*2*2=8 鍒欏鏁板彲鑳芥т负8/18=4/9
绛旓細濂囨暟35/53/83/85锛屽伓鏁80/30/50/38/58锛岃川鏁83/53锛屽悎鏁35/锛堝墠闈㈠伓鏁板潎涓哄悎鏁帮級锛屾棦鏄2鐨勫嶆暟鍙堟槸5鐨勫嶆暟30/50/80銆傘愭瘡涓暟瀛楀彧鑳界敤1娆＄殑鎯呭舰銆
绛旓細涓変綅鏁帮紝鐧句綅涓嶈兘涓0锛屾湁3涓夋嫨锛屽崄浣嶄篃,3绉嶏紝涓綅灏卞彧鍓╀笅2绉嶏紝鎬诲叡3*3*2=18绉 涓変綅鏁版槸濂囨暟鐨勮瘽锛屼釜浣嶅繀椤绘槸3鎴5锛鏄2绉嶉夋嫨锛岃繖鏍风殑璇濓紝鐧句綅灏卞彧鏈2涓夋嫨锛屽崄浣嶅墿涓2绉嶉夋嫨锛屾诲叡鏈2*2*2=8绉 鎵浠ュ彲鑳芥ф槸8/18=4/9
绛旓細鍥犱负鏄濂囨暟锛鎵浠ヤ釜浣嶆暟灏辨槸3锛9锛5銆傚洜涓烘槸缁勬垚鏈澶х殑涓浣嶆暟锛屾墍浠ョ櫨浣嶆暟灏辨槸9锛屽崄浣嶆暟鏄8锛涓綅鏄5銆備篃灏辨槸985銆
绛旓細100浠ュ唴鐨濂囨暟锛1銆3銆5銆7銆9銆11銆13銆15銆17銆19銆21銆23銆25銆27銆29銆31銆33銆35銆37銆39銆41銆43銆45銆47銆49銆51銆53銆55銆57銆59銆61銆63銆65銆67銆69銆71銆73銆75銆77銆79銆81銆83銆85銆87銆89銆91銆93銆95銆97銆99 100浠ュ唴鐨勫伓鏁帮細2銆4銆6銆8銆10銆12銆14銆16銆18...
绛旓細濂囨暟鏈1锛3锛5锛7锛9锛11锛13锛15锛17锛19锛21锛23锛25锛27锛29锛31锛33锛35锛37锛39锛41銆43锛45锛47锛49锛51锛53锛55锛57锛59锛61锛63锛65锛67锛69锛71锛73锛75銆77锛79锛81锛83锛85锛87锛89锛91锛93锛95锛99銆傚伓鏁版湁2锛4锛6锛8锛10锛12锛14锛16锛18锛20锛22锛24锛26锛...
绛旓細濂囨暟405銆805銆485銆845鍋舵暟540锛450锛480,840,504,508,580,850,804,408 銆 3鐨勫嶆暟405锛 504锛450,540, 鏃㈡槸2鐨勫嶆暟鍙堟槸3鐨勫嶆暟480,840锛408,804锛
