出10道做最小公倍数的练习题 10道求最小公倍数的题。带答案。急需!拜托啦!
\u6c42\u6700\u5c0f\u516c\u500d\u6570\u7ec3\u4e60\u989810\u9053!\u6700\u5927\u516c\u7ea6\u6570\u548c\u6700\u5c0f\u516c\u500d\u6570\u7ec3\u4e60\u9898
\u4e00. \u586b\u7a7a\u9898\u3002
1. \u90fd\u662f\u81ea\u7136\u6570\uff0c\u5982\u679ca/b=10 \uff0c \u7684\u6700\u5927\u516c\u7ea6\u6570\u662f\uff08 \uff09\uff0c\u6700\u5c0f\u516c\u500d\u6570\u662f\uff08 \uff09\u3002
2. \u7532 \uff0c\u4e59 \uff0c\u7532\u548c\u4e59\u7684\u6700\u5927\u516c\u7ea6\u6570\u662f\uff08 \uff09\u00d7\uff08 \uff09\uff1d\uff08 \uff09\uff0c\u7532\u548c\u4e59\u7684\u6700\u5c0f\u516c\u500d\u6570\u662f\uff08 \uff09\u00d7\uff08 \uff09\u00d7\uff08 \uff09\u00d7\uff08 \uff09\uff1d\uff08 \uff09\u3002
3. \u6240\u6709\u81ea\u7136\u6570\u7684\u516c\u7ea6\u6570\u4e3a\uff08 \uff09\u3002
4. \u5982\u679cm\u548cn\u662f\u4e92\u8d28\u6570\uff0c\u90a3\u4e48\u5b83\u4eec\u7684\u6700\u5927\u516c\u7ea6\u6570\u662f\uff08 \uff09\uff0c\u6700\u5c0f\u516c\u500d\u6570\u662f\uff08 \uff09\u3002
5. \u57284\u30019\u300110\u548c16\u8fd9\u56db\u4e2a\u6570\u4e2d\uff0c\uff08 \uff09\u548c\uff08 \uff09\u662f\u4e92\u8d28\u6570\uff0c\uff08 \uff09\u548c\uff08 \uff09\u662f\u4e92\u8d28\u6570\uff0c\uff08 \uff09\u548c\uff08 \uff09\u662f\u4e92\u8d28\u6570\u3002
6. \u7528\u4e00\u4e2a\u6570\u53bb\u966415\u548c30\uff0c\u6b63\u597d\u90fd\u80fd\u6574\u9664\uff0c\u8fd9\u4e2a\u6570\u6700\u5927\u662f\uff08 \uff09\u3002
*7. \u4e24\u4e2a\u8fde\u7eed\u81ea\u7136\u6570\u7684\u548c\u662f21\uff0c\u8fd9\u4e24\u4e2a\u6570\u7684\u6700\u5927\u516c\u7ea6\u6570\u662f\uff08 \uff09\uff0c\u6700\u5c0f\u516c\u500d\u6570\u662f\uff08 \uff09\u3002
*8. \u4e24\u4e2a\u76f8\u90bb\u5947\u6570\u7684\u548c\u662f16\uff0c\u5b83\u4eec\u7684\u6700\u5927\u516c\u7ea6\u6570\u662f\uff08 \uff09\uff0c\u6700\u5c0f\u516c\u500d\u6570\u662f\uff08 \uff09\u3002
**9. \u67d0\u6570\u9664\u4ee53\u30015\u30017\u65f6\u90fd\u4f591\uff0c\u8fd9\u4e2a\u6570\u6700\u5c0f\u662f\uff08 \uff09\u3002
10. \u6839\u636e\u4e0b\u9762\u7684\u8981\u6c42\u5199\u51fa\u4e92\u8d28\u7684\u4e24\u4e2a\u6570\u3002
\uff081\uff09\u4e24\u4e2a\u8d28\u6570\uff08 \uff09\u548c\uff08 \uff09\u3002
\uff082\uff09\u8fde\u7eed\u4e24\u4e2a\u81ea\u7136\u6570\uff08 \uff09\u548c\uff08 \uff09\u3002
\uff083\uff091\u548c\u4efb\u4f55\u81ea\u7136\u6570\uff08 \uff09\u548c\uff08 \uff09\u3002
\uff084\uff09\u4e24\u4e2a\u5408\u6570\uff08 \uff09\u548c\uff08 \uff09\u3002
\uff085\uff09\u5947\u6570\u548c\u5947\u6570\uff08 \uff09\u548c\uff08 \uff09\u3002
\uff086\uff09\u5947\u6570\u548c\u5076\u6570\uff08 \uff09\u548c\uff08 \uff09\u3002
\u4e8c. \u5224\u65ad\u9898\u3002
1. \u4e92\u8d28\u7684\u4e24\u4e2a\u6570\u5fc5\u5b9a\u90fd\u662f\u8d28\u6570\u3002\uff08 \uff09
2. \u4e24\u4e2a\u4e0d\u540c\u7684\u5947\u6570\u4e00\u5b9a\u662f\u4e92\u8d28\u6570\u3002\uff08 \uff09
3. \u6700\u5c0f\u7684\u8d28\u6570\u662f\u6240\u6709\u5076\u6570\u7684\u6700\u5927\u516c\u7ea6\u6570\u3002\uff08 \uff09
4. \u6709\u516c\u7ea6\u65701\u7684\u4e24\u4e2a\u6570\uff0c\u4e00\u5b9a\u662f\u4e92\u8d28\u6570\u3002\uff08 \uff09
5. a\u662f\u8d28\u6570\uff0cb\u4e5f\u662f\u8d28\u6570\uff0c \uff0c \u4e00\u5b9a\u662f\u8d28\u6570\u3002\uff08 \uff09
\u4e09. \u76f4\u63a5\u8bf4\u51fa\u6bcf\u7ec4\u6570\u7684\u6700\u5927\u516c\u7ea6\u6570\u548c\u6700\u5c0f\u516c\u500d\u6570\u3002
26\u548c13\uff08 \uff09 13\u548c6\uff08 \uff09 4\u548c6\uff08 \uff09
5\u548c9\uff08 \uff09 29\u548c87\uff08 \uff09 30\u548c15\uff08 \uff09
13\u300126\u548c52 \uff08 \uff09 2\u30013\u548c7\uff08 \uff09
\u56db. \u6c42\u4e0b\u9762\u6bcf\u7ec4\u6570\u7684\u6700\u5927\u516c\u7ea6\u6570\u548c\u6700\u5c0f\u516c\u500d\u6570\u3002\uff08\u4e09\u4e2a\u6570\u7684\u53ea\u6c42\u6700\u5c0f\u516c\u500d\u6570\uff09
45\u548c60 36\u548c60
27\u548c72 76\u548c80
42\u3001105\u548c56 24\u300136\u548c48
**\u4e94. \u52a8\u8111\u7b4b\uff0c\u60f3\u4e00\u60f3\uff1a
\u5b66\u6821\u4e70\u676540\u652f\u5706\u73e0\u7b14\u548c50\u672c\u7ec3\u4e60\u672c\uff0c\u5e73\u5747\u5956\u7ed9\u56db\u5e74\u7ea7\u4e09\u597d\u5b66\u751f\uff0c\u7ed3\u679c\u5706\u73e0\u7b14\u591a4\u652f\uff0c\u7ec3\u4e60\u672c\u591a2\u672c\uff0c\u56db\u5e74\u7ea7\u6709\u591a\u5c11\u540d\u4e09\u597d\u5b66\u751f\uff0c\u4ed6\u4eec\u5404\u5f97\u5230\u4ec0\u4e48\u5956\u54c1\uff1f
\u4e00. \u586b\u7a7a\u9898\u3002
1. \u90fd\u662f\u81ea\u7136\u6570\uff0c\u5982\u679ca/b=10 \uff0c \u7684\u6700\u5927\u516c\u7ea6\u6570\u662f\uff08 \uff09\uff0c\u6700\u5c0f\u516c\u500d\u6570\u662f\uff08 \uff09\u3002
2. \u7532 \uff0c\u4e59 \uff0c\u7532\u548c\u4e59\u7684\u6700\u5927\u516c\u7ea6\u6570\u662f\uff08 \uff09\u00d7\uff08 \uff09\uff1d\uff08 \uff09\uff0c\u7532\u548c\u4e59\u7684\u6700\u5c0f\u516c\u500d\u6570\u662f\uff08 \uff09\u00d7\uff08 \uff09\u00d7\uff08 \uff09\u00d7\uff08 \uff09\uff1d\uff08 \uff09\u3002
3. \u6240\u6709\u81ea\u7136\u6570\u7684\u516c\u7ea6\u6570\u4e3a\uff08 \uff09\u3002
4. \u5982\u679cm\u548cn\u662f\u4e92\u8d28\u6570\uff0c\u90a3\u4e48\u5b83\u4eec\u7684\u6700\u5927\u516c\u7ea6\u6570\u662f\uff08 \uff09\uff0c\u6700\u5c0f\u516c\u500d\u6570\u662f\uff08 \uff09\u3002
5. \u57284\u30019\u300110\u548c16\u8fd9\u56db\u4e2a\u6570\u4e2d\uff0c\uff08 \uff09\u548c\uff08 \uff09\u662f\u4e92\u8d28\u6570\uff0c\uff08 \uff09\u548c\uff08 \uff09\u662f\u4e92\u8d28\u6570\uff0c\uff08 \uff09\u548c\uff08 \uff09\u662f\u4e92\u8d28\u6570\u3002
6. \u7528\u4e00\u4e2a\u6570\u53bb\u966415\u548c30\uff0c\u6b63\u597d\u90fd\u80fd\u6574\u9664\uff0c\u8fd9\u4e2a\u6570\u6700\u5927\u662f\uff08 \uff09\u3002
*7. \u4e24\u4e2a\u8fde\u7eed\u81ea\u7136\u6570\u7684\u548c\u662f21\uff0c\u8fd9\u4e24\u4e2a\u6570\u7684\u6700\u5927\u516c\u7ea6\u6570\u662f\uff08 \uff09\uff0c\u6700\u5c0f\u516c\u500d\u6570\u662f\uff08 \uff09\u3002
*8. \u4e24\u4e2a\u76f8\u90bb\u5947\u6570\u7684\u548c\u662f16\uff0c\u5b83\u4eec\u7684\u6700\u5927\u516c\u7ea6\u6570\u662f\uff08 \uff09\uff0c\u6700\u5c0f\u516c\u500d\u6570\u662f\uff08 \uff09\u3002
**9. \u67d0\u6570\u9664\u4ee53\u30015\u30017\u65f6\u90fd\u4f591\uff0c\u8fd9\u4e2a\u6570\u6700\u5c0f\u662f\uff08 \uff09\u3002
10. \u6839\u636e\u4e0b\u9762\u7684\u8981\u6c42\u5199\u51fa\u4e92\u8d28\u7684\u4e24\u4e2a\u6570\u3002
\uff081\uff09\u4e24\u4e2a\u8d28\u6570\uff08 \uff09\u548c\uff08 \uff09\u3002
\uff082\uff09\u8fde\u7eed\u4e24\u4e2a\u81ea\u7136\u6570\uff08 \uff09\u548c\uff08 \uff09\u3002
\uff083\uff091\u548c\u4efb\u4f55\u81ea\u7136\u6570\uff08 \uff09\u548c\uff08 \uff09\u3002
\uff084\uff09\u4e24\u4e2a\u5408\u6570\uff08 \uff09\u548c\uff08 \uff09\u3002
\uff085\uff09\u5947\u6570\u548c\u5947\u6570\uff08 \uff09\u548c\uff08 \uff09\u3002
\uff086\uff09\u5947\u6570\u548c\u5076\u6570\uff08 \uff09\u548c\uff08 \uff09\u3002
\u4e8c. \u5224\u65ad\u9898\u3002
1. \u4e92\u8d28\u7684\u4e24\u4e2a\u6570\u5fc5\u5b9a\u90fd\u662f\u8d28\u6570\u3002\uff08 \uff09
2. \u4e24\u4e2a\u4e0d\u540c\u7684\u5947\u6570\u4e00\u5b9a\u662f\u4e92\u8d28\u6570\u3002\uff08 \uff09
3. \u6700\u5c0f\u7684\u8d28\u6570\u662f\u6240\u6709\u5076\u6570\u7684\u6700\u5927\u516c\u7ea6\u6570\u3002\uff08 \uff09
4. \u6709\u516c\u7ea6\u65701\u7684\u4e24\u4e2a\u6570\uff0c\u4e00\u5b9a\u662f\u4e92\u8d28\u6570\u3002\uff08 \uff09
5. a\u662f\u8d28\u6570\uff0cb\u4e5f\u662f\u8d28\u6570\uff0c \uff0c \u4e00\u5b9a\u662f\u8d28\u6570\u3002\uff08 \uff09
\u4e09. \u76f4\u63a5\u8bf4\u51fa\u6bcf\u7ec4\u6570\u7684\u6700\u5927\u516c\u7ea6\u6570\u548c\u6700\u5c0f\u516c\u500d\u6570\u3002
26\u548c13\uff08 \uff09 13\u548c6\uff08 \uff09 4\u548c6\uff08 \uff09
5\u548c9\uff08 \uff09 29\u548c87\uff08 \uff09 30\u548c15\uff08 \uff09
13\u300126\u548c52 \uff08 \uff09 2\u30013\u548c7\uff08 \uff09
\u56db. \u6c42\u4e0b\u9762\u6bcf\u7ec4\u6570\u7684\u6700\u5927\u516c\u7ea6\u6570\u548c\u6700\u5c0f\u516c\u500d\u6570\u3002\uff08\u4e09\u4e2a\u6570\u7684\u53ea\u6c42\u6700\u5c0f\u516c\u500d\u6570\uff09
45\u548c60 36\u548c60
27\u548c72 76\u548c80
42\u3001105\u548c56 24\u300136\u548c48
2.用一个数去除15和30,正好都能整除,这个数最大是( )。
3.两个相邻奇数的和是16,最小公倍数是( )。
4.如果 和 是互质的自然数,那么 和 的最大公约数是( ),最小公倍数是( ).
5.一个数的最大约数是 ,它的最小倍数是( ).
6.96是16和12的( )
7.8、18和72的最小公倍数是( )
8.一个数的最大约数( )它的最小倍数
9.12是24和36的( )
10.三个质数的最小公倍数是42,这三个质数是( ).
[ 12 , 18] = [14,12,8] =
[40, 52,54] =
[44,165 ,396]=
[78 ,54,36] =
[4,6,12,14] =
[45,140,85] =
[125,375,625] =
[7,43,79] =
[10,9,8,7] =
绛旓細1.4銆5銆6鏈灏忕殑鍏嶆暟鏄紙 锛夛紵2.鐢ㄤ竴涓暟鍘婚櫎15鍜30锛屾濂介兘鑳芥暣闄わ紝杩欎釜鏁鏈澶ф槸锛 锛夈3.涓や釜鐩搁偦濂囨暟鐨勫拰鏄16锛鏈灏忓叕鍊嶆暟鏄紙 锛夈4.濡傛灉 鍜 鏄簰璐ㄧ殑鑷劧鏁帮紝閭d箞 鍜 鐨勬渶澶у叕绾︽暟鏄紙銆锛夛紝鏈灏忓叕鍊嶆暟鏄紙銆锛夛紟5.涓涓鏁扮殑鏈澶х害鏁版槸 锛屽畠鐨勬渶灏忓嶆暟鏄紙銆锛...
绛旓細鏈灏忓叕鍊嶆暟缁忓吀棰樺瀷濡備笅锛1銆侀┈璺殑涓杈规瘡闅6绫崇涓妫垫潹鏍戯紝鍙︿竴杈规瘡闅20绫虫湁涓鏍圭數绾挎潌锛岀數绾挎潌鍜屾潹鏍戜粠绗竴娆$浉瀵瑰埌绗簩娆$浉瀵癸紝涓棿鐨勮矾绋嬫槸澶氶暱?鍒嗘瀽锛氭眰绗竴娆$浉瀵瑰埌绗簩娆$浉瀵圭殑璺▼锛屽疄闄呬笂灏辨槸姹6绫充笌20绫充袱涓鏁扮殑鏈灏忓叕鍊嶆暟銆傚洜涓篬6,20]=60锛堣〃绀6鍜20鐨勬渶灏忓叕鍊嶆暟鏄60锛夛紝鎵涓棿...
绛旓細[6,10]=30 [8,4]=8 [7,1]=7 [6,9]=18 [2,7]=14 [8,5]=40 [4,9]=36 [9,3]=9 [5,7]=35 [12,36]=36 [24,42]=168 浠呬緵鍒濆鑰呭弬鑰
绛旓細1. 閮芥槸鑷劧鏁帮紝濡傛灉a/b=10 锛 鐨勬渶澶у叕绾︽暟鏄紙 锛夛紝鏈灏忓叕鍊嶆暟鏄紙 锛夈2. 鐢 锛屼箼 锛岀敳鍜屼箼鐨勬渶澶у叕绾︽暟鏄紙 锛壝楋紙 锛夛紳锛 锛夛紝鐢插拰涔欑殑鏈灏忓叕鍊嶆暟鏄紙 锛壝楋紙 锛壝楋紙 锛壝楋紙 锛夛紳锛 锛夈3. 鎵鏈夎嚜鐒鏁扮殑鍏害鏁颁负锛 锛夈4. 濡傛灉m鍜宯鏄簰璐ㄦ暟锛岄偅涔堝畠浠殑鏈澶у叕绾︽暟鏄...
绛旓細1. 濡傛灉A=2*2*3*5,B=2*3*3*5,閭d箞A鍜孊鐨勬渶澶у叕绾︽暟鏄紙2*3*5=30锛夛紝鏈灏忓叕鍊嶆暟鏄紙2*2*3*3*5=180 锛2. M/N=17锛孧鍜孨鐨勬渶灏忓叕鍊嶆暟鏄紙M 锛3.涓変釜璐鏁扮殑鏈灏忓叕鍊嶆暟鏄165锛岃繖涓変釜璐ㄦ暟鍚勬槸澶氬皯?165=3*5*11锛屾晠杩欎笁涓川鏁板垎鍒槸3銆5銆11 4.涓や釜浜掕川鏁伴兘鏄悎鏁帮紝...
绛旓細9銆侊紙1銆37锛=1 10銆併1銆37銆=37 11銆侊紙12銆30锛=6 12銆併12銆30銆=60 13銆侊紙24銆36锛=12 14銆併24銆36銆=72 22銆併18銆54銆=54 23銆侊紙34銆51锛=17 24銆併34銆51銆=102 25銆侊紙13銆65锛=13 26銆併13銆65銆=65 27銆侊紙9銆15銆18锛=3 28銆併9銆15銆18銆=90 ...
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绛旓細鎵浠ワ紝10 12 15鏈灏忓叕鍊嶆暟鏄細2脳3脳5脳2=60銆備簩銆佹眰涓変釜鏁扮殑鏈灏忓叕鍊嶆暟甯哥敤鐨勬柟娉曟湁:鐭櫎娉曞拰鍒嗚В璐ㄥ洜鏁版硶銆1.鐭櫎娉曪細鐢ㄥ畠浠叕鏈夌殑璐ㄥ洜鏁板仛闄ゆ硶杩愮畻锛岀洿鍒版墍寰楃殑鍟嗕袱涓や簰璐ㄤ负姝傛妸鎵鏈夌殑闄ゆ暟鍜屾渶鍚庣殑涓変釜鍟嗚繛涔樿捣鏉ワ紝鎵寰楃殑绉氨鏄繖涓変釜鏁扮殑 鏈灏忓叕鍊嶆暟銆傚鏈锛氭眰10銆12鍜15鏈...
绛旓細6 10鏈灏忓叕鍊嶆暟鏄30 6=2脳3 10=2脳5 2脳3脳5=30 12 36鏈灏忓叕鍊嶆暟鏄36 36鏄12鏄2鍊 18 24鏈灏忓叕鍊嶆暟鏄72 18=6脳3 24=6脳4 6脳3脳4=72 30 20鏈灏忓叕鍊嶆暟鏄60 30=3脳10 20=2脳10 3脳2脳10=60 15 20鏈灏忓叕鍊嶆暟鏄60 15=5脳3 ...
绛旓細1.鍒嗚В璐ㄥ洜鏁版硶:鍏堟妸杩欏嚑涓暟鐨勮川鍥犳暟鍐欏嚭鏉,鏈灏忓叕鍊嶆暟绛変簬瀹冧滑鎵鏈夌殑璐ㄥ洜鏁扮殑涔樼Н(濡傛灉鏈夊嚑涓川鍥犳暟鐩稿悓,鍒欐瘮杈冧袱鏁颁腑鍝釜鏁版湁璇ヨ川鍥犳暟鐨勪釜鏁拌緝澶,涔樿緝澶氱殑娆℃暟)銆2.鍏紡娉:浜庝袱涓暟鐨勪箻绉瓑浜庤繖涓や釜鏁扮殑鏈澶у叕绾︽暟涓鏈灏忓叕鍊嶆暟鐨绉傚嵆(a, b) x[a , b]=axb銆傛墍浠,姹備袱涓暟鐨勬渶...