怎样简便就怎样计算
\u600e\u4e48\u6837\u7b80\u4fbf\u5c31\u600e\u6837\u8ba1\u7b97\u3002437\u00f723X(6+15)
=(437+23-23)\u00f723X(20+1)
=(460-23)\u00f723X(20+1)
=(20-1)X(20+1)
=20²-1
=400-1
=399
7/9\u00f74/15\uff0b2/9\u00d715/14
=7/9\u00d715/4\uff0b2/9\u00d715/14
=\uff087/4\uff09\uff0815/9\uff09+\uff082/14\uff09\uff0815/9\uff09
=\uff087/4+1/7\uff09\uff085/3\uff09
=[\uff0849+4\uff09/28]\uff085/3\uff09
=\uff0853/28)\uff085/3\uff09
=265/84
=15/18+4/18+7/18
=13/9
11/12-（3/8-1/12）
=11/12+1/12-3/8
=1-3/8=5/8
2/3-1/4-1/6
=8/12-3/12-2/12
=1/4
7/11-1/5+8/11-4/5
=(7/11+8/11)-(1/5+4/5)
=15/11-1
=4/11
1/3+4+2/3-7/20
=1/3+2/3+4-7/20
=5-7/20
=4又13/20
一又五分之八+四又七分之十三+（四又八分之三--三又七分之十三） (题目有误吧)
=1又5/8+4又7/13+(4又3/8-3又7/13)
=(1又5/8+4又3/8)+(4又7/13-3又7/13)
=6+1=7
1.5/6+2/9+7/18
=(15+4+7)/18
=13/9.
2.11/12-（3/8-1/12）
=11/12-3/8+1/12
=1-3/8
=5/8.
3.2/3-1/4-1/6
=(8-3-2)/12
=1/4.
4.7/11-1/5+8/11-5/4
=15/11-1
=4/11.
5.1/3+4+2/3-7/20
=4+1-7/20
=4又13/20.
6.一又八分之五+四又十三分之七+（四又八分之三--三又十三分之七）
=1+5/8+1+4+3/8
=7.
5/6+2/9+7/18
=15/18+4/18+7/18
=26/18
=13/9
11/12-（3/8-1/12）
=11/12+1/12-3/8
=1-3/8
=5/8
2/3-1/4-1/6
=8/12-3/12-2/12
=3/12
=1/4
7/11-1/5+8/11-5/4
=(7/11+8/11)-(1/5+5/4)
=15/11-29/20
=-19/220
1/3+4+2/3-7/20
=(1/3+2/3+4)-7/20
=5-7/20
=4又13/20
一又五分之八+四又七分之十三+（四又八分之三--三又七分之十三）
=(1又8/5+4又3/8)+(4又13/7-3又13/7)
=6又39/40+1
=7又39/40
这个好像没什么规律呀
绛旓細绠渚胯绠鏄寚閫氳繃涓浜涚壒娈婄殑鎶宸у拰鏂规硶锛屽湪涓嶄娇鐢ㄨ绠楀櫒鎴栧叾浠栧伐鍏风殑鎯呭喌涓嬶紝蹇熻繘琛屾暟瀛﹁绠楃殑鏂规硶銆備互涓嬫槸涓浜涘父瑙佺殑绠渚胯绠楁柟娉曪細蹇熺畻涔樻硶锛氬揩閫熻绠椾袱涓袱浣嶆暟鐨勪箻绉紝鍙互灏嗕袱涓暟鐨勪釜浣嶆暟鍜屽崄浣嶆暟鐩镐箻锛岀劧鍚庡皢杩欎袱涓Н鐩稿姞锛屽啀鍦ㄧ粨鏋滅殑宸︿晶鍐欎笅绗竴涓暟鐨勫崄浣嶆暟锛屽彸渚у啓涓嬬浜屼釜鏁扮殑涓綅鏁般
绛旓細鍥炵瓟锛25*(77-37)=25*40=1000 1.25*32*(4/9+5/9)=1.25*32*1=5/4*32=40 =1/7*1/7=1/49
绛旓細瑙ｏ細1銆6锛8梅17锛3/17脳3 锛6锛8/17锛9/17 锛6锛嶏紙8/17+9/17锛夛紳6锛1锛5 2銆佸師寮忥紳12梅 (6/12 + 4/12 + 3/12 + 2/12)锛12 梅 15/12 锛12 脳 12 /15 锛48/5 锛9.6
绛旓細锛1锛4鍒嗕箣3+9鍒嗕箣4+4鍒嗕箣1 =3/4+1/4+4/9 =1+4/9 =13/9 锛2锛1鍙13鍒嗕箣11锛8鍒嗕箣5锛8鍒嗕箣3 =1鍙13鍒嗕箣11锛(5/8+3/8)=1鍙13鍒嗕箣11锛1 =11/13 锛4锛7鍒嗕箣2锛35鍒嗕箣12+7鍒嗕箣5 =2/2+5/7-12/35 =1-12/35 =21/35 锛5锛14鍒嗕箣9+21鍒嗕箣8锛14鍒嗕箣9 =9...
绛旓細27梅0.125 =27梅(1/8)=27脳8 =216 26梅0.25 =26梅(1/4)=26脳4 =104 27脳0.125梅27 =0.125脳(27梅27)=0.125脳1 =0.125 27脳0.125+27梅8 =27脳(1/8)+27梅8 =27梅8+27梅8 =27梅4 =6.75
绛旓細锛5锛142+35脳6-315锛=142+210-315锛=352-315锛=37锛涳紙6锛27脳13+72脳13+13锛=锛27+72+1锛壝13锛=100脳13锛=1300锛,8, 璁＄畻涓嬮潰鍚勯锛屾庢牱绠绠渚垮氨鎬庢牱绠锛6.15+4.9-9.85 1500梅25梅4 19.92-锛14.37-5.43锛432-锛361+153梅17锛142+35脳6-315 27脳13+72脳13+13锛
绛旓細鎬庢牱绠渚垮氨鎬庢牱璁＄畻 4.8涔0.32闄4.8涔0.32 瑙ｏ紝寰楋細==4.8锛0.32/0.32)==4.8/1 ==4.8 4.25闄2.5涔9.9鍔0.17 瑙ｏ紝寰楋細== 1.7 *锛9.9+0.17)==1.7*(10-0.1+0.1+0.07)==17+1.7*0.07 ==17+0.119 ==17.119 5.85鍔2.08闄8涔0.5 瑙ｏ紝寰楋細==5.85+...
绛旓細鍥炵瓟锛=49/9+1/9 =50/9
绛旓細24/5脳1/8脳5/9=1/3锛堢害鍒嗭級5/6脳9/5-1/2=3/2-1/2=1 37脳1/7+12脳1/7=1/7脳锛37+12锛=1/7脳48=7 锛0.9+4.2锛壝11/17=5.1脳11/17=3.3
绛旓細浣犺鐔熺粌鐨勪娇鐢ㄥ垎閰嶅緥涓庣粨鍚堝緥銆傝繕鏈変竴浜璁＄畻锛屾瘮濡25脳4=100锛125脳8=1000绛夌瓑
