2017--2018八年级物理上册计算题精选(50道)
2017\u2014\u20142018\u5929\u6d25\u516b\u5e74\u7ea7\u4e0a\u518c\u7269\u7406\u671f\u672b\u8003\u8bd5\u8bd5\u5377\u53ca\u7b54\u6848\u7ea2\u6865\u533a2010\u20142011\u5b66\u5e74\u7b2c\u4e8c\u5b66\u671f\u9ad8\u4e09\u7b2c\u4e00\u6b21\u6a21\u62df\u68c0\u6d4b\u7406\u79d1\u7efc\u5408\u8bd5\u5377\uff08\u5316\u5b66\u90e8\u5206\uff09\u53c2\u8003\u7b54\u6848\u7b2c I\u5377\u51716\u9898\uff0c\u6bcf\u98986\u5206\uff0c\u517136\u5206\u3002 1\uff0eC 2\uff0eB 3\uff0eC 4\uff0eA 5\uff0eD 6\uff0eD \u7b2c II\u5377\u51714\u9898\uff0c\u517164\u5206\u3002 7\uff0e\uff08\u6bcf\u7a7a2\u5206\uff0c\u517114\u5206\uff09\uff081\uff09K\uff0cH2SO4\uff082\uff09HF\uff1eH2O\uff1eSiH4 \uff083\uff09\uff084\uff093 I2 + 6 OH- = IO3- + 5 I- + 3 H2O\uff1b 5:1\uff085\uff09Ni \uff0cNi(OH)2 + OH-- e- = NiOOH + H2O 8.\uff08\u517118\u5206\uff09\uff081\uff09C2H6O2\uff082\u5206\uff09 \u4e59\u4e8c\u9187\uff082\u5206\uff09 2\uff082\u5206\uff09 2:1 \uff082\u5206\uff09\uff082\uff09ac \uff082\u5206\uff09 \uff083\uff09\u3001\uff084\uff09\u3001\uff085\uff09\u4e2d\u65b9\u7a0b\u5f0f\u54042\u5206\uff0c\u540c\u5206\u5f02\u6784\u4f53\u54041\u5206 9\uff0e\uff08\u517118\u5206\uff09\uff081\uff09\u78b1\u6027\uff082\u5206\uff09 \uff082\uff09\u666e\u901a\u6f0f\u6597 \u70e7\u676f \u73bb\u7483\u68d2\uff083\u5206\uff09 \uff083\uff09\u2460bd\uff082\u5206\uff09 \u2461\u6f0f\u6597\u4e2d\u4e0e\u8bd5\u5242\u74f6\u4e2d\u7684\u6db2\u9762\u5dee\u4fdd\u6301\u4e0d\u518d\u53d8\u5316\u6216\u6f0f\u6597\u4e2d\u7684\u6db2\u9762\u4e0d\u518d\u4e0b\u964d\uff082\u5206\uff09 \u2462\u9664\u53bb\u7a7a\u6c14\u4e2dCO2\uff0c\u9632\u6b62\u5f71\u54cd\u6d4b\u91cf\u7ed3\u679c\uff082\u5206\uff09 \u6d53\u786b\u9178\uff082\u5206\uff09 \u2463\u5fc5\u8981\uff082\u5206\uff09\uff0c\u56e0\u4e3a\u88c5\u7f6eE\u4f1a\u5438\u6536\u7a7a\u6c14\u4e2d\u7684\u4e8c\u6c27\u5316\u78b3\u548c\u6c34\u84b8\u6c14\uff0c\u5f71\u54cd\u6d4b\u91cf\u7ed3\u679c\uff083\u5206\uff09 10\uff0e(\u6bcf\u7a7a2\u5206\uff0c\u517114\u5206\uff09\uff081\uff09K=c2(NH3)/c(N2)c3(H2)\uff1b40% \uff082\uff09\u4f7f\u7528\u50ac\u5316\u5242\uff0c\u5347\u9ad8\u6e29\u5ea6\uff083\uff09A\u3001C\u3001D \uff083\u5206\uff09\uff084\uff09\u2460 B\uff1b \u2461 2N2H4(g) + N2O4(g) = 3N2(g) + 4H2O(g) \u25b3H = - 1076.7 kJ/mol
\u5982\u56fe\uff0c\u6309\u7167\u7b2c\u4e00\u5f20\u56fe\u7247\u7684\u5173\u952e\u5b57\uff0c\u53bb\u641c\u7d22\u5427\uff0c
\u6211\u5982\u679c\u53d1\u5e03\u94fe\u63a5\u6765\u56de\u7b54\u4f60\uff0c\u4f1a\u88ab\u5220\u9664\u7684\uff0c\u771f\u5fc3\u4e0d\u6562\u5440
绛旓細閫氳繃璁＄畻鏈虹▼搴忕畻寰2018^2017 = 1061655353579772562010434312728374150821857642462703101602541668389511478212097885133659288193493530797852255288110690764907191842757143916471600280253564678710908704156361015328639362461132385275849851143076344493039579164269859848847052433329642155
绛旓細鐗╃悊鍏勾绾т笂鍐屼汉鏁欑増 鐗╃悊鐒﹁窛鍜 鍏朵粬绫讳技闂2015-05-28 鐗╃悊鍑搁忛暅鎴愬儚瑙勫緥涓 鐗╄窛,鐒﹁窛,鍍忚窛鍒嗗埆鏄粈涔堟剰鎬濄傝鐨勯... 45 2013-09-01 鐒﹁窛鐨勪綅缃浣曠‘瀹?鐒﹁窛鍜岀墿璺濆儚璺濇湁浠涔堝尯鍒? 14 2012-01-20 鍒濅簩鐗╃悊閫忛暅 鐒﹁窛,鐗╄窛,鍍忚窛鍒嗗埆鏄粈涔堟剰鎬 34 2015-03-14 鐒﹁窛 鍍忚窛 鐗╄窛鍒嗗埆鏄粈涔 1 2014...
绛旓細涓銆侀珮2017绾т俊鎭妧鏈冭瘯銆佽ˉ鑰冩椂闂 姝ｈ冩椂闂翠负锛2018骞6鏈20鏃 9:00寮濮嬶紝姣忓満鑰冭瘯鏃堕棿涓60鍒嗛挓銆傝ˉ鑰冩椂闂翠负锛2018骞9鏈17鏃 9:00寮濮嬶紝姣忓満鑰冭瘯鏃堕棿涓60鍒嗛挓銆備簩銆侀珮2016绾у巻鍙层佸湴鐞嗐鐗╃悊銆佸寲瀛︺佺敓鐗┿佹濇兂鏀挎不銆侀氱敤鎶鏈冭瘯銆佽ˉ鑰冩椂闂 姝ｈ冩椂闂翠负锛氬巻 鍙 2018骞1鏈7鏃 9:00鈥10:30 鍦...
绛旓細瑙:鍘熷紡 =锛19.93+0.01锛墄2017-19.93x锛2017+1锛=19.93x2017+0.01x2017-锛19.93x2017+19.93x1锛=锛19.93x2017-19.93x2017锛+0.01x2017-19.93 =0+20.17-19.93 =0.24 鏂规硶:鏋勯犲悗鍒╃敤鐩稿悓椤规姷娑堝疄鐜扮畝渚胯绠椼
绛旓細2017骞--2018骞翠腑灏忎笂瀛︿竴鍏辨槸姣忓鏈17鍛ㄥ乏鍙炽傚寘鎷巿璇15~16鍛紝澶嶄範鑰冭瘯1-2鍛ㄣ傚叏骞存暀瀛︽椂闂翠竴鑸负34鍛紝鍙7鍛ㄤ负瀵掓殤鍋囨椂闂淬傛暀鑲插勾搴︼紝鍗充粠褰撳勾9鏈1鏃ュ埌娆″勾鐨8鏈31鏃ワ紝鏆戝亣鏄骞村垎鐣岀嚎锛屼竴瀛﹀勾鍒嗕负2涓鏈燂紝瀵掑亣鏄鏈熷垎鐣岀嚎銆
绛旓細2018-1)鈪(2018-1)锛岃繍鐢ㄥ畬鍏ㄥ钩鏂瑰叕寮忚绠楀緱鍑(2018-1)^=(2018^-2鈪2018鈪1+1^)锛岀劧鍚庡垎鍒櫎浠ュ垎姣2018銆傝绠楄繃绋 2017鈪2017/2018 =(2018-1)鈪(2018-1)/2018 =(2018-1)^/2018 =(2018^-2x2018鈪1+1^)梅2018 =2018-2+1/2018 =2016鍙1/2018銆
绛旓細濡傚浘鎵绀
绛旓細1/2017-1/2018=1/锛2017*2018锛
绛旓細2017x2018-2016x2019 =2017x2019-2017-2016x2019 =(2017-2016)x2019-2017 =2019-2017 =2
绛旓細950鍒嗐傝鏂(150)锛屾暟瀛(120)锛岃嫳璇(120)锛岀悊绉戠患鍚(200锛岀悊鍖栧悇100)鏂囩缁煎悎(200锛屾濆巻鍚100锛屽紑鍗)锛屾彁鍓嶇(160锛岀敓鐗╁湴鐞嗗悇100锛屽悇鍔犳潈50%鎶樺悎涓100锛屼綋鑲60)锛屼互涓婃枃鍖栫鐩冭瘯璁6涓瓑銆傚弬鍔犱腑鑰冿紝瑕佹兂鍙栧緱濂芥垚缁╋紝鏈澶х殑涔熸渶瀹炵敤鐨勬妧宸т簨璁ょ湡澶嶄範澶囪冿紝璁ょ湡澶嶄範鎵嶈兘璁╀綘鎺屾彙鏇村鐨勭煡璇嗭紝璁ょ湡...
