解方程，快来
\u89e3\u65b9\u7a0b\uff0c\u5feb\u6765\uff012(X+17)=40\u00d70.25
\u89e3\uff1a 2X+2\u00d717=40\u00d71/4\u2026\u2026\u2026\u2026\u5229\u7528\u4e58\u6cd5\u5206\u914d\u5f8b\uff0c\u5e76\u5c06\u5c0f\u6570\u8f6c\u5316\u4e3a\u5206\u6570\uff08\u66f4\u597d\u7b97\uff09\u3002
2X+34=10\u2026\u2026\u2026\u2026\u2026\u2026\u628a\u80fd\u7b97\u7684\u7b97\u51fa\u6765\u3002
2X=10-34\u2026\u2026\u2026\u2026\u521d\u4e2d\uff08\u79fb\u9879\uff0c\u5e76\u53d8\u53f7\uff09\u5c0f\u5b66\uff08\u5229\u7528\u52a0\u6cd5\u5404\u6570\u4e4b\u95f4\u7684\u5173\u7cfb\uff09\u3002
2X=-24\u2026\u2026\u2026\u2026\u2026\u2026\u628a\u80fd\u7b97\u7684\u7b97\u51fa\u6765\u3002
X=-24/2\u2026\u2026\u2026\u2026\u2026\u2026\u5229\u7528\u4e58\u6cd5\u5404\u6570\u4e4b\u95f4\u7684\u5173\u7cfb\u3002
X=-12\u2026\u2026\u2026\u2026\u2026\u2026\u53d6\u53f7\uff08\u5f02\u53f7\u76f8\u4e58\u5f97\u8d1f\uff09\uff0c\u7b97\u51fa\u6765\u3002
\u671b\u697c\u4e3b\u6ee1\u610f\uff01\uff08\u633a\u60f3\u9009\u4e3a\u6ee1\u610f\u7b54\u6848\u7684\uff0c\u563b\u563b.\uff09
\u4e00\uff1a8X+8/5(\u4e94\u5206\u4e4b\u516b\uff09=16/5
8X=8/5
x=1/5
\u4e8c\uff1a4/5y=28/5
y=7.
\u4e09\uff1a3/5x=2/5
x=2/3
\u56db\uff1a30/100x=3
x=10
绛旓細涔欒蛋杩囩殑璺濈涓篠-12+6=S-6;杩欐牱鐢茬殑閫熷害鍗充负(S+6)/6,涔欑殑閫熷害鍗充负(S-6)/6,绗竴娆＄浉閬囨椂闂翠负S/[(S+6)/6+(S-6)/6],鍙互鍒楀嚭鏂圭▼: (S-6)/6脳S/[(S+6)/6+(S-6)/6]=12 瑙ｅ嚭S=30鍗冪背 鐢茬殑閫熷害=(30+6)/6=6鍗冪背/灏忔椂 涔欑殑閫熷害=(30-6)/6=4鍗冪背...
绛旓細鍗佸ぉ銆佷簩鍗佸ぉ銆佷竴涓湀,鏃堕棿灏辫繖鏍锋秷閫濅簡,褰撴垜鍐嶆鍘诲瓨娆炬椂,鍟!涓嶇煡涓嶈宸茬粡绉簡寰堝閽,瀵规垜鏉ヨ鏄竴绗斿ぇ鏁扮洰鍛!杩欐椂,鐖哥埜璇:鈥滃垱鏍,浣犱粠鍌ㄨ搫涓偀鍑轰簡浠涔堥亾鐞嗗憿?鈥濇垜涓鑴哥殑鑼劧,鐤戞儜涓嶈В鍦伴棶:鈥滄湁浠涔堥亾鐞嗗憖,灏辨槸鏀掗挶鍝!鈥 鐖哥埜璇噸蹇冮暱鍦拌:鈥滆繖浣犲氨閿欎簡銆備汉鍛,涓鐢熼兘鍦ㄥ偍钃勩佺Н绱傞挶绉皯鎴愬,...
绛旓細(1)5(x-1)=1 5x-5=1 5x=1+5=6 x=6梅5 x=6/5 (2)2-(1-x)=-2 2-1+x=-2 x=-2-2+1 x=-3 (3)11x+1=5(2x+1)11x+1=10x+5 11x-10x=5-1 x=4 (4)4x-3(20-x)=3 4x-60+3x=3 4x+3x=3+60 7x=63 x=63梅7 x=9 (5)5(x+8)-5=0 5x+40-5=0 5x=...
绛旓細浜斿勾绾т笅鍐瑙ｆ柟绋 瑕佹湁闅惧害涓鐐 3X+5X=48 14X-8X=12 6*5+2X=44 20X-50=50 28+6X=88 32-22X=10 24-3X=3 10X*锛5+1锛=60 99X=100-X X+3=18 X-6=12 56-2X=20 4y+2=6 x+32=76 3x+6=18 16+8x=40 2x-8=8 4x-3*9=29 8x-3x=105 x-6*5=42 x+5=7 2x+3=10...
绛旓細灏忓浜斿勾绾цВ鏂圭▼鍙戞柟娉 涓锛庣Щ椤 鎵璋撶Щ椤瑰氨鏄妸涓涓暟浠庣瓑鍙风殑涓杈圭Щ鍒扮瓑鍙风殑鍙︿竴杈瑰幓銆傛敞鎰忥紝鍔犲噺娉曠Щ椤瑰拰涔橀櫎娉曠Щ椤逛笉涓鏍凤紝绉婚」瑙勫垯锛氬綋鎶婁竴涓暟浠庣瓑鍙风殑涓杈圭Щ鍒板彟涓杈瑰幓鐨勬椂鍊欙紝瑕佹妸杩欎釜鏁板師鏉ュ墠闈㈢殑杩愮畻绗﹀彿鏀规垚鍜屽畠鐩稿弽鐨勮繍绠楃鍙凤紝姣斿鈥+鈥濆彉鎴愨-鈥濓紝鎴栨槸鈥溍椻濆彉鎴愨溍封濊鐪嬩緥棰橈細...
绛旓細(2)鍥涘垎涔7x-5=鍏垎涔嬩笁 瑙锛7/4x=3/8+5 7/4x=43/8 x=43/14 (3)鍏垎涔2x-1=鍏垎涔5x+1 瑙ｏ細5/8x-2/6x=-2 7/24x=-2 x=-48/7 (4)浜屽垎涔嬩竴x-7=鍏垎涔9x-2 瑙ｏ細9/6x-1/2x=-5 x=-5 (5)浜斿垎涔嬩竴x-浜屽垎涔嬩竴(3-2x)=1 瑙ｏ細1/5x-3/2+x=1 6/5x=5/2...
绛旓細瑙ｆ柟绋鏄暟瀛︿腑甯歌鐨勯棶棰橈紝浠ヤ笅鏄竴浜涘揩閫熻В鏂圭▼鐨勬柟娉曪細1.浠ｆ暟娉曪細閫氳繃灏嗘湭鐭ユ暟鐨勯」绉诲埌绛夊紡鐨勪竴杈癸紝甯告暟椤圭Щ鍒板彟涓杈癸紝浠庤屽緱鍒颁竴涓垨澶氫釜鎭掔瓑寮忋傜劧鍚庡埄鐢ㄥ凡鐭ユ潯浠舵眰瑙ｆ湭鐭ユ暟銆2.鍥犲紡鍒嗚В娉曪細灏嗘柟绋嬩腑鐨勫椤瑰紡杩涜鍥犲紡鍒嗚В锛屼娇寰楁瘡涓洜瀛愬彧鍚湁涓涓湭鐭ユ暟銆傜劧鍚庨氳繃姣旇緝绛夊紡涓よ竟鐨勭郴鏁帮紝纭畾鏈煡鏁扮殑...
绛旓細瑙ｅ垎鏁鏂圭▼鐨勬柟娉曞涓嬶細1銆佺湅绛夊彿涓よ竟鏄惁鍙互鐩存帴璁＄畻銆2銆佸鏋滀袱杈逛笉鍙互鐩存帴璁＄畻锛屽氨杩愮敤鍜屽樊绉晢鐨勫叕寮忓鏂圭▼杩涜鍙樺舰銆3銆佸鍙互鐩稿姞鍑忕殑椤硅繘琛岄氬垎銆4銆佷袱杈瑰悓鏃堕櫎浠ヤ竴涓笉涓洪浂鐨勬暟銆傛敞鎰忥細锛1锛夈侀兘鍚湁鏈煡鏁扮殑椤规墠鑳界浉鍔犲噺锛屾垨鑰呴兘涓嶅惈鏈夋湭鐭ユ暟鐨勯」鎵嶈兘鐩稿姞鍑忋傦紙2锛夈侀櫎浠ヤ竴涓暟绛変簬涔樹互...
绛旓細鏈夎尪25鍗冨厠,涓绛夎尪姣忓崈鍏12鍏,浜岀瓑鑼舵瘡鍗冨厠11鍏,涓鍏变拱浜287鍏,涓ょ鑼跺悇鏈夊灏戝崈鍏?瑙ｏ細璁句竴绛変负 x 鍗冨厠锛屼簩绛夎尪涓 y 鍗冨厠銆12x + 11 y = 287 x + y = 25 12x + 11 y = 287 11x + 11y = 275 x = 12 鍗冨厠 y = 13 鍗冨厠 ...
绛旓細姹傝В涓鍏冧簩娆鏂圭▼鐨勬柟娉曟湁鐩存帴寮骞虫柟娉曘侀厤鏂规硶銆佸洜寮忓垎瑙ｆ硶鍜屽叕寮忔硶銆傚綋鐒讹紝鍦ㄦ眰瑙ｄ竴鍏冧簩娆℃柟绋嬩箣鍓嶏紝鎴戜滑鍙互鍏堟妸杩欎釜鏂圭▼鏁寸悊鎴愪竴鑸舰寮廰x²+bx+c=0(a鈮0)锛岀敤鏍圭殑鍒ゅ埆寮忔潵鍒ゆ柇涓涓嬫柟绋嬫牴鐨勬儏鍐碉紝鏍圭殑鍒ゅ埆寮=b²-4ac銆傚鏋滄牴鐨勫垽鍒紡鏄鏁帮紝鍒欎竴鍏冧簩娆℃柟绋嬫湁涓や釜涓嶅悓鐨勬牴锛涘鏋...
