一年级数学36-9-6的简便计算 36-9-6=21怎样算比较简便
13.6-1.36\u00d79.9\u7684\u7b80\u4fbf\u8fd0\u7b97\u662f\u4ec0\u4e48\uff1f13.6-1.36\u00d79.9
=1.36x10-1.36\u00d79.9
=1.36x\uff0810-9.9\uff09
=1.36x0.1
=0.36
\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01
36-9-6\u53ef\u4ee5\u5148\u8ba1\u7b9736-6=30\uff0c\u518d\u8ba1\u7b9730-9=21\uff0c\u8fd9\u6837\u7b80\u4fbf\u8fd0\u7b97\u3002
\u7b97\u5f0f\u4e2d\u7684\u88ab\u51cf\u6570\u548c\u5176\u4e2d\u4e00\u4e2a\u51cf\u6570\u7684\u4e2a\u4f4d\u6570\u5b57\u662f\u76f8\u540c\u7684\uff0c\u653e\u5728\u4e00\u8d77\u8fd0\u7b97\u8f83\u4e3a\u65b9\u4fbf\uff0c\u53ef\u4ee5\u5148\u8ba1\u7b97\u4e2a\u4f4d\u6570\u5b57\u76f8\u540c\u7684\u7684\u4e24\u4e2a\u6570\u5b5736-6=30\uff0c\u7136\u540e\u518d\u8ba1\u7b97\u4e0d\u76f8\u540c\u7684\u4e24\u4e2a\u657030-9=21\uff0c\u8fd9\u6837\u7b80\u4fbf\u8fd0\u7b97\u3002
\u6269\u5c55\u8d44\u6599\uff1a
\u51cf\u6cd5\u9075\u5faa\u51e0\u4e2a\u91cd\u8981\u7684\u6a21\u5f0f\uff1a
1\u3001\u51cf\u6cd5\u662f\u53cd\u4ea4\u6362\u7684\uff0c\u610f\u5473\u7740\u6539\u53d8\u987a\u5e8f\u6539\u53d8\u4e86\u7b54\u6848\u7684\u7b26\u53f7\u3002
2\u3001\u51cf\u6cd5\u4e0d\u5177\u6709\u7ed3\u5408\u6027\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5f53\u4e00\u4e2a\u51cf\u6570\u8d85\u8fc7\u4e24\u4e2a\u6570\u5b57\u65f6\uff0c\u51cf\u6cd5\u7684\u987a\u5e8f\u662f\u91cd\u8981\u7684\u3002
3\u3001\u51cf\u6cd50\u4e0d\u6539\u53d8\u4e00\u4e2a\u6570\u5b57\u3002
4\u3001\u51cf\u6cd5\u4e5f\u9075\u5faa\u4e0e\u52a0\u6cd5\u548c\u4e58\u6cd5\u7b49\u76f8\u5173\u8fd0\u7b97\u7684\u53ef\u9884\u6d4b\u89c4\u5219
30-9=21
这样算简便
绛旓細鍏堢畻36-6=30 30-9=21 杩欐牱绠楃畝渚
绛旓細36-9-6鍙互鍏堣绠36-6=30锛屽啀璁＄畻30-9=21锛岃繖鏍风畝渚胯繍绠椼傜畻寮忎腑鐨勮鍑忔暟鍜屽叾涓竴涓噺鏁扮殑涓綅鏁板瓧鏄浉鍚岀殑锛屾斁鍦ㄤ竴璧疯繍绠楄緝涓烘柟渚匡紝鍙互鍏堣绠椾釜浣嶆暟瀛楃浉鍚岀殑鐨勪袱涓暟瀛36-6=30锛岀劧鍚庡啀璁＄畻涓嶇浉鍚岀殑涓や釜鏁30-9=21锛岃繖鏍风畝渚胯繍绠椼
绛旓細5鍜6涓や釜鏁颁竴鎷,涓嶄粎绛旀鏄剧ず鍑烘潵,鑰屼笖杩樿兘鏄剧ず涓轰粈涔堣杩涗綅,杩欏氨鏄タ瀹夌墰瀹忎紵鑰佸笀鏈鏂扮殑鍙戞槑涓撳埄,钂欐皬閫熺畻(涓撳埄鍙:ZL2008301164396),瀹冪殑涓寮犲崱鐗囧氨鍖呭惈鐫鏁板瓧鐨勫啓娉,鏁扮殑褰㈢姸,鏁扮殑閲(鍩烘暟)鍜屾暟鐨勫寘鍚4涓俊鎭備粠鑰岃交鏉惧甫棰嗗瀛愯繘鍏ユ湁瓒ｇ殑鏁板瓧鐜嬪浗銆 钂欐皬閫熺畻---绠楃悊绠鎹,涓庡浗瀹朵節骞翠箟鍔℃暀鑲茶绋嬫爣鍑嗗畬鍏ㄦ帴杞,浣4...
绛旓細2+38= 56+8= 36+5= 35+6= 46+9= 9+25= 23+8= 46+6= 90+9= 84+7= 34+7= 56+3= 39+2= 27+4= 50+5= 34+9= 10+60= 9+50= 10+40= 61+10= 18+5= 74+6= 37+2= ...
绛旓細24+9=33 24+9=33 鍏堢畻锛4+9=13 鍏堢畻锛24+6=30 鍐嶇畻锛20+13=33 鍐嶇畻锛30+3=33 涓や綅鏁板姞涓浣嶆暟锛氫釜浣嶇浉鍔犱笉婊″崄锛屽崄浣嶇殑鏁颁笉鍙橈紱涓綅鐩稿姞婊″崄锛屼竴瀹氳鍚戝崄浣嶈繘1銆3銆佷袱浣嶆暟鍑忎竴浣嶆暟銆佹暣鍗佹暟 锛1锛変笉閫浣 35-2=33 35-20=15 鍏堢畻锛5-2=3 鍏堢畻锛30-20=10 鍐...
绛旓細36.8-3.9-6.12 =36.8-锛3.9+6.12锛=36.8-锛3.9+6.1+0.02锛=36.8-10-0.02 =26.8-0.02 =26.78 璋㈣阿锛岃閲囩撼
绛旓細8 6 _ ( )( ) ___ 2 6 20( ) - 16 ___ 4涓銆佸浣曟妸鎻♀滃彲鐖辩殑鏍″洯鈥濇暀瀛﹁姹?杩欐槸鍒氬叆瀛﹀効绔ョ殑绗竴鑺傝璇10浠ュ唴鏁扮殑鍑嗗璇,鐩殑鏄氳繃瀛︾敓鏁版暟鐨勬椿鍔,浜嗚В瀛︾敓瑙傚療鎯呮櫙鍥句笌鏁版暟鐨勮兘鍔,浠ヤ究涓哄鐢熷悗缁涔10浠ュ唴鏁扮殑鏁板绗﹀彿鍋氫竴浜涘噯澶囥傚洜姝,鏈鏃剁殑鏁欏瑕佹眰涓昏鏄兘璇存竻妤氬浘涓婃湁浜涗粈涔堝姩鐗┿佽兘...
绛旓細(6)12-12= (7)6-3= (8)6-4= (9)11-2= (10)8-3= (11)13-3= (12)1-1= (13)15-3= (14)10-9= (15)3-3= 涓骞寸骇鏁板鍙ｇ畻棰15閬 绡2 1. 鍙ｇ畻 202= 30003= 40005= 8402= 963= 2107= 3208= 50005= 2. 鍙ｇ瓟 (1)60閲岄潰鏈( )涓崄?600閲岄潰鏈( )涓櫨銆 (2)56閲岄潰鏈( )...
绛旓細15x-10=8x+11 ;7x=21;x=3;5x+6x-6=36-3x;14x=42;x=3;9脳(x-4)=45+6x;9x-36=45+6x;3x=81;x=27;23x-21=49+3x 20x=70;x=3.5;濡傛灉鏈鏈変粈涔堜笉鏄庣櫧鍙互杩介棶锛屽鏋滄弧鎰忚寰楅噰绾 濡傛灉鏈夊叾浠栭棶棰樿閲囩撼鏈鍚庡彟鍙戠偣鍑诲悜鎴戞眰鍔╋紝绛旈涓嶆槗锛岃璋呰В锛岃阿璋傜瀛︿範杩涙 ...
绛旓細涓骞寸骇鏁村崄鏁板姞涓浣嶆暟鍙婄浉搴旂殑鍑忔硶鏁欏璁捐 绡1 鏁欏鍐呭 鏁欑涔35鈥36椤,渚9鍙婂仛涓鍋氥傜粌涔犱節绗6棰 绱犺川鏁欒偛鐩爣 (涓)鐭ヨ瘑鏁欏鐐 鎺屾彙鏁村崄鏁板姞涓浣嶆暟鍜岀浉搴旂殑鍑忔硶鐨勮绠楁柟娉曘 (浜)鑳藉姏璁粌鐐 1.鍩瑰吇瀛︾敓鐨勬娊璞℃鎷兘鍔涖 2.鑳藉噯纭殑璁＄畻鍑烘暣鍗佹暟鍔犱竴浣嶆暟鍜岀浉搴旂殑鍑忔硶銆 (涓)寰疯偛娓楅忕偣 杩涗竴姝ユ劅鐭ョ煡璇...
