X等于什么怎么算
\u6c42X\u7b49\u4e8e\u591a\u5c11 \u662f\u8fd9\u6837\u7b97\u7684\u5417\uff1f\u8fd9\u6837\u7b97\u662f\u4e0d\u53ef\u4ee5\u7684
\u56fe\u4e2d\u7684\u5df2\u77e5\u6761\u4ef6\u4e0d\u80fd\u786e\u5b9a\u8fd9\u4e2a\u68af\u5f62,X\u7684\u957f\u4e0d\u786e\u5b9a,\u8981\u77e5\u9053\u6700\u5de6\u8fb9\u7684\u8fb9\u957f\u624d\u80fd\u6c42X.
=1-(X-X\u5e73\u65b9)
=1-X+X\u5e73\u65b9
X=5
12x=60
x=5
5
绛旓細0.67x1000绛変簬670锛璁＄畻濡備笅锛氬厛鍘绘帀灏忔暟锛屾妸0.67鏀惧ぇ100鍊嶅彉涓67銆傚啀鎸夌収鏁存暟涔樻硶鐨勮绠椼0涔樹互浠讳綍鏁伴兘绛変簬0锛屼繚鐣欎竴涓┖浣嶃1X7=7锛屽啓7 1X6=6锛屽啓6 1X0=0锛屽啓0 涓や釜鍥犳暟涓竴鍏辨湁2浣嶅皬鏁帮紝绉篃搴旀湁2浣嶅皬鏁般傛墍浠0.67x1000=670....
绛旓細45x+25脳(10-x)=370 瑙ｏ細鍘绘嫭鍙峰緱锛45x+250-25x=370 鍚堝苟鍚岀被椤瑰緱锛20x+250=370 20x=370-250 20x=120 x=6
绛旓細15X绛変簬7姣28鎬庝箞绠锛15x=7:28 15x=7/28 15x=1/4 x=1/60 璁＄畻x鐨勭粨鏋滀负涓1/60
绛旓細瑕佽В杩欎釜鏂圭▼閭ｄ箞鍙互鎶婃柟绋嬩袱杈瑰悓闄や互鍏垎涔嬩簲锛屽綋宸﹁竟灏绛変簬X锛屽彸杈瑰氨绛変簬40闄や互鍏垎涔嬩簲锛岀瓑浜庡洓鍗佷箻浠ヤ簲鍒嗕箣鍏紝绛変簬鍏崄鍥涳紝鍗X绛変簬鍏崄鍥涳紝鎵浠ユ柟绋嬬殑瑙绛変簬64銆
绛旓細绛変簬6锛屽厛鏄y=5,++y鐨勬槸鎰忔濇槸y鑷繁鍏堝姞1锛屼篃灏辨槸y=y+1;++y 鍜 y++鐨勫尯鍒槸 ++y鐨勭粨鏋滄槸鍏堢畻y鑷锛岃〃杈惧紡鐨勭粨鏋滄槸y锛堝師鏉ョ殑y锛+1銆倅++灏辨槸鍏堢畻琛ㄨ揪寮忕殑缁撴灉鍐嶇畻y鏈韩鐨勮嚜澧烇紝琛ㄨ揪寮忕殑缁撴灉鏄 y (鍘熸潵鐨剏),涓よ呯浉鍚岀殑鏄兘浼氬y+1銆傚鏋滀笂闈㈡崲鎴 x = y++鐨勮瘽缁撴灉灏辨槸5 ;y=5,...
绛旓細涓鍏冧簩娆℃柟绋嬬殑瑙ｆ硶鏈夊洓绉嶏紝鍒濅笁鏁板瀛︿範鐨勬椂鍊欓兘鏈夎缁嗚瑙ｏ紝绗竴绉鏄鐩存帴寮骞虫柟娉曪紝鍒╃敤骞虫柟鏍圭殑姒傚康锛屼竴涓暟鐨勫钩鏂绛変簬m锛岃繖涓暟灏辨槸m鐨勫钩鏂规牴锛屾鏁版湁涓や釜骞虫柟鏍癸紝0鏈変竴涓钩鏂规牴锛岃礋鏁版病鏈夊钩鏂规牴锛屾墍浠ユ柟绋嬫湁鍑犱釜鏍癸紝鍏抽敭鐪媘涓0鐨勫ぇ灏忓叧绯汇傜浜岀閰嶆柟娉曪紝鎶婁竴鑸柟绋嬭浆鎹㈡垚鑳界敤鐩存帴寮骞虫柟鐨...
绛旓細0.15x=238.x=4760/3.
绛旓細绛旀涓x=1000 x+2/5x=1400 7/5x=1400 x=1000
绛旓細瑙ｆ柟绋嬪紡鍐呭锛4x/5=6 瑙ｉ杩囩▼锛氶氳繃绉婚」灏嗘湭鐭ユ暟绉诲姩鍒板乏杈瑰苟鍚堝苟锛屽皢甯告暟椤圭Щ鍔ㄥ埌鍙宠竟骞跺悎骞讹紝鏈鍚庡皢鏈煡鏁扮郴鏁板寲涓1 瑙ｉ杩囩▼锛4x/5=6 4x=6脳5 x=30/4 x=15/2 瀛樼枒璇疯拷闂紝婊℃剰璇烽噰绾
