4-1的读作是什么意思？
4-1读作四减一。4-1=3。读作 四减一等于三。
4-1读作4减1差是多少？
绛旓細姝ｆ暟鍜岃礋鏁鐨勮娉曚笉涓鏍风殑鍦版柟锛氭鏁板彲璇绘鍙峰彲涓嶈姝ｅ彿锛岃礋鏁板繀椤昏璐熷彿锛屽5璇讳綔浜旀垨鑰呮浜旓紝-5璇讳綔璐熶簲銆傛鏁板拰璐熸暟鐨勫啓娉曚笉涓鏍风殑鍦版柟锛氳礋鍙蜂笉鍚岋紝姝ｅ彿鍙甫鍙笉甯︼紝璐熷彿蹇呴』甯︼紝濡備簲鍐欎綔5鎴栬+5锛岃礋浜斿啓浣-5銆
绛旓細涓鐨鍩烘湰閲婁箟锛1銆佹渶灏忕殑姝ｆ暣鏁般2銆佽〃绀哄悓涓锛氬挶浠槸锝炲浜恒備綘浠綖璺蛋銆傝繖涓嶆槸锝炵爜浜嬨3銆佽〃绀哄彟涓锛氱暘鑼勶綖鍚嶈タ绾㈡熆銆4銆佽〃绀烘暣涓紱鍏細锝炲啲銆傦綖鐢熴傦綖璺钩瀹夈傦綖灞嬪瓙浜恒傦綖韬殑姹椼5銆佽〃绀轰笓涓锛氾綖蹇冿綖鎰忋6銆佽〃绀哄姩浣滄槸涓娆★紝鎴栬〃绀哄姩浣滄槸鐭殏鐨勩傜敤鍦ㄩ噸鍙犵殑鍔ㄨ瘝锛堝涓哄崟闊筹級涓棿锛氭瓏...
绛旓細鐢╫nequarter 琛ㄧず1/4姣旂敤 one fourth 鏇村涓浜;2/3 瑕佽 two thirds, 涔熷氨鏄鍒嗘瘝閭ｄ釜 third 瑕佸姞s銆備簩銆佸熀鏁拌瘝鐨勮娉1銆3-5浣嶆暟鐨勮娉202璇讳綔:two hundred(and)two234璇讳綔:two hundred(and)thirty-four1,234璇讳綔:one thousand two hundred(and)thirtyfour2銆5浣嶄互涓婃暟瀛楃殑璇绘硶11,234璇讳綔:eleven ...
绛旓細鎵浠ヤ笂渚婩igure 1-3璇讳綔Figure one three,Table 4-2璇讳綔Table four two銆傞櫎浜咶igure鍜孴able,鍏朵粬绫诲瀷濡侰hart(鏇茬嚎鍥)銆丏iagram(鍥炬牱)銆両llustration(鎻掑浘)绛夊悗闄勭殑搴忓彿瑙勫垯涔熺浉鍚, direct read the numbers after them,涓嶈鈥-鈥濄傛湁鏃 document 涓篃浼氬甫鏈夊瓧姣嶅簭鍙,濡 Figure A-1 , Figure A-3...
绛旓細3銆佲涓鈥濆湪涓庡悗闈㈢殑瀛楃洿鎺ュ彂鐢熷叧绯伙紝鍚庨潰鐨勫瓧璇诲叾浣欎笁涓０璋冩椂锛璇讳綔鍥澹般備竴鎷奸煶锛歽墨 閲婁箟锛1銆佹暟鍚嶏紝鏈灏忕殑姝ｆ暣鏁帮紙鍦ㄩ挒绁ㄥ拰鍗曟嵁涓婂父鐢ㄥぇ鍐欌滃９鈥濅唬锛夈2銆佺函锛涗笓锛氫笓涓銆備竴蹇冧竴鎰忋3銆佸叏锛涙弧锛氫竴鐢熴備竴鍦版按銆4銆佺浉鍚岋細涓鏍枫傞鑹蹭笉涓銆5銆佸彟澶栫殑锛氳煁锜涓鍚嶄績缁囥6銆佽〃绀哄姩浣滅煭鏆傦紝鎴栨槸...
绛旓細21鍒30鐨勮嫳璇細twenty-one銆乼wenty-two銆乼wenty-three銆乼wenty-four銆乼wenty-five銆乼wenty-six銆乼wenty-seven銆乼wenty-eight銆乼wenty-nine銆乼hirty銆31鍒40鐨勮嫳璇:thirty-one銆乼hirty-two銆乼hirty-treethirty-four銆乼hirty-five銆 thirty-six銆乼hirty-seven銆乼hirty-eight 銆乼hirty-nine銆乫orty銆41鍒50鐨...
绛旓細5-1=4鏄涓涓〃绀哄噺娉曠殑绛夊紡銆傜瓑鍙峰乏杈硅〃绀虹殑鏄噺鏁板拰琚噺鏁帮紝鍏朵腑5鏄鍑忔暟锛1鏄噺閫熴傜瓑鍙峰彸杈硅〃绀虹殑鏄緱鏁帮紝寰楁暟鏄4銆傞偅涔堣繖涓噺娉曠瓑寮忓氨鍙互璇讳綔5鍑忓幓1鐨寰楁暟绛変簬4銆傚噺娉曟槸鍥鍒欒繍绠椾箣涓锛屼粠涓涓暟涓噺鍘诲彟涓涓暟鐨勮繍绠楀彨鍋氬噺娉曪紱宸茬煡涓や釜鍔犳暟鐨勫拰涓庡叾涓竴涓姞鏁帮紝姹傚彟涓涓姞鏁扮殑杩愮畻鍙仛鍑忔硶銆
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绛旓細4鍗1=5璇讳綔锛鍥鍔犱竴绛変簬浜斻傛暟瀛鐨勮娉曟槸锛氭瘡鍥涗綅涓轰竴涓暣浣撴潵璇荤殑锛屾瘡涓洓浣嶆暣浣撶殑鏈熬鐨勯浂閮戒笉鐢ㄨ鍑烘潵銆傝嫢鏈変袱涓潪闆剁殑鏁板瓧涓棿鏈2涓垨2涓互涓婄殑闆讹紝鍒欏彧璇讳竴涓紱鑻ヤ竾涓哄崟浣嶇殑鍥涗綅鏁翠綋涓暟瀛楀叏涓洪浂锛屽垯璇讳竴涓浂锛屽叾浣欐墧鎸変笂杩拌鍒欙紱娌′釜鍥涗綅鏁翠綋涔嬮棿娌￠浂鐨勬椂鍊欒琛ュ厖涓涓浂杩涘幓銆傗滄暟浣...
绛旓細璐3+5鍑7+4=-1 璇讳綔 璐1銆傚姞鍑忔硶鐨勮绠楁柟娉曞強鎶宸ц瑙 1.鍔犳硶鐨勮绠楁柟娉曪細鍔犳硶鏄寚灏嗕袱涓垨澶氫釜鏁板肩浉鍔狅紝寰楀嚭鎬诲拰鐨勮繃绋嬨傚姞娉曠殑璁＄畻鏂规硶濡備笅锛氬皢涓や釜鎴栧涓姞鏁颁粠鍙冲悜宸﹀榻愶紝涓綅瀵归綈锛屽崄浣嶅榻愶紝渚濇绫绘帹銆備粠涓綅寮濮嬶紝閫愪綅鐩稿姞锛屽鏋滄煇浣嶇殑鍜屽ぇ浜庣瓑浜10锛屽垯杩涗綅鍒伴珮浣嶃傞噸澶嶄互涓婃楠わ紝...
