四年级下册算式题第九题把下面的分步列式合并成一个综合算式,674-494？ 理工学科是什么
\u7406\u5de5\u5b66\u79d1\u6709\u54ea\u4e9b\u6559\u5b66\u4e0a\u5bf9\u7269\u7406
\u5316\u5b66
\u6570\u5b66
\u751f\u7269\u7b49\u5b66\u79d1\u7684\u7edf\u79f0\uff0c\u8fd9\u4e9b\u5b66\u79d1\u7684\u90fd\u4e0e\u79d1\u5b66\u6280\u672f\u6709\u7740\u5343\u4e1d\u4e07\u7f15\u7684\u8fde\u7ebf\uff0c\u662f\u4ece\u4e8b\u79d1\u5b66\u7814\u7a76\u7684\u57fa\u7840\u3002
\u7406\u5de5\u5b66\u79d1\u5305\u62ec
\u6570\u5b66
\u7269\u7406\u5b66
\u5316\u5b66
\u751f\u7269\u5b66
\u5929\u6587\u5b66
\u5fc3\u7406\u5b66
\u5730\u7403\u79d1\u5b66
\u519c\u4e1a\u79d1\u5b66
\u73af\u5883\u5b66
\u751f\u6001\u5b66
\u5de5\u7a0b\u6280\u672f\u79d1\u5b66
\u5efa\u7b51\u5b66
......
\u3000\u3000\u7406\u5de5\u5b66\u79d1\u662f\u6307\u7406\u5b66\u548c\u5de5\u5b66\u4e24\u5927\u5b66\u79d1\u3002\u7406\u5de5\uff0c\u662f\u4e00\u4e2a\u5e7f\u5927\u7684\u9886\u57df\u5305\u542b\u7269\u7406\u3001\u5316\u5b66\u3001\u751f\u7269\u3001\u5de5\u7a0b\u3001\u5929\u6587\u3001\u6570\u5b66\u53ca\u524d\u9762\u516d\u5927\u7c7b\u7684\u5404\u79cd\u8fd0\u7528\u4e0e\u7ec4\u5408\u3002
\u3000\u3000\u7406\u5b66
\u3000\u3000\u7406\u5b66\u662f\u4e2d\u56fd\u5927\u5b66\u6559\u80b2\u4e2d\u91cd\u8981\u7684\u4e00\u652f\u5b66\u79d1,\u662f\u6307\u7814\u7a76\u81ea\u7136\u7269\u8d28\u8fd0\u52a8\u57fa\u672c\u89c4\u5f8b\u7684\u79d1\u5b66,\u5927\u5b66\u7406\u79d1\u6bd5\u4e1a\u540e\u901a\u5e38\u5373\u6210\u4e3a\u7406\u5b66\u58eb\u3002\u4e0e\u6587\u5b66\u3001\u5de5\u5b66\u3001\u6559\u80b2\u5b66\u3001\u5386\u53f2\u5b66\u7b49\u5e76\u5217\uff0c\u7ec4\u6210\u4e86\u6211\u56fd\u7684\u9ad8\u7b49\u6559\u80b2\u5b66\u79d1\u4f53\u7cfb\u3002
\u3000\u3000\u7406\u5b66\u7814\u7a76\u7684\u5185\u5bb9\u5e7f\u6cdb\uff0c\u672c\u79d1\u4e13\u4e1a\u901a\u5e38\u6709\uff1a\u6570\u5b66\u4e0e\u5e94\u7528\u6570\u5b66\u3001\u4fe1\u606f\u4e0e\u8ba1\u7b97\u79d1\u5b66\u3001\u7269\u7406\u5b66\u3001\u5e94\u7528\u7269\u7406\u5b66\u3001\u5316\u5b66\u3001\u5e94\u7528\u5316\u5b66\u3001\u751f\u7269\u79d1\u5b66\u3001\u751f\u7269\u6280\u672f\u3001\u5929\u6587\u5b66\u3001\u5730\u8d28\u5b66\u3001\u5730\u7403\u5316\u5b66\u3001\u5730\u7406\u79d1\u5b66\u3001\u8d44\u6e90\u73af\u5883\u4e0e\u57ce\u4e61\u89c4\u5212\u7ba1\u7406\u3001\u5730\u7406\u4fe1\u606f\u7cfb\u7edf\u3001\u5730\u7403\u7269\u7406\u5b66\u3001\u5927\u6c14\u79d1\u5b66\u3001\u5e94\u7528\u6c14\u8c61\u5b66\u3001\u6d77\u6d0b\u79d1\u5b66\u3001\u6d77\u6d0b\u6280\u672f\u3001\u7406\u8bba\u4e0e\u5e94\u7528\u529b\u5b66\u3001\u5149\u5b66\u3001\u6750\u6599\u7269\u7406\u3001\u6750\u6599\u5316\u5b66\u3001\u73af\u5883\u79d1\u5b66\u3001\u751f\u6001\u5b66\u3001\u5fc3\u7406\u5b66\u3001\u5e94\u7528\u5fc3\u7406\u5b66\u3001\u7edf\u8ba1\u5b66\u7b49\u3002
\u3000\u3000\u5de5\u5b66
\u3000\u3000\u5de5\u5b66\u662f\u6307\u5de5\u7a0b\u5b66\u79d1\u7684\u603b\u79f0\u3002\u5305\u542b \u4eea\u5668\u4eea\u8868 \u80fd\u6e90\u52a8\u529b \u7535\u6c14\u4fe1\u606f \u4ea4\u901a\u8fd0\u8f93 \u6d77\u6d0b\u5de5\u7a0b \u8f7b\u5de5\u7eba\u7ec7 \u822a\u7a7a\u822a\u5929 \u529b\u5b66\u751f\u7269\u5de5\u7a0b \u519c\u4e1a\u5de5\u7a0b \u6797\u4e1a\u5de5\u7a0b \u516c\u5b89\u6280\u672f \u690d\u7269\u751f\u4ea7 \u5730\u77ff \u6750\u6599 \u673a\u68b0 \u98df\u54c1 \u6b66\u5668 \u571f\u5efa \u6c34\u5229\u6d4b\u7ed8 \u73af\u5883\u4e0e\u5b89\u5168 \u5316\u5de5\u4e0e\u5236\u836f \u7b49\u4e13\u4e1a\u3002
绛旓細绗叓棰橈細198梅锛54-45锛壝45 绗節棰鐪熸病浠涔堢畻鏄紝瀹屽叏闈犵寽锛屾垜鐚滃埌浜32脳27=864
绛旓細鍥涘勾绾т笅鍐鏁板瀛︿範鐨勬槸鍔犳硶鍜屼箻娉曠殑娣峰悎杩愮畻锛岀粌涔棰樼洰鍙互鍒嗕负浜斾釜绉嶇被锛氱涓绉嶏細(300+6)x12=3672 25x(4+8)=300 125x(35+8) =5375 (13+24)x8 =296 绗簩绉 锛84x101=8484 504x25=12600 78x102=7956 25x204= 5100 绗笁绉嶏細99x64=6336 99x16=1584 638x99=63162 999x99=98901 绗洓...
绛旓細琛ㄦ牸浠庡乏鍒板彸渚濇鏄5銆9銆13銆17銆21銆25 n=10鏃讹紝鏈41涓
绛旓細(10*10-4)/4 (10-1)/3*8 [7-(-5)*13]/3 [8-(7-5)]*4 (11+2)*2-2 (10-7)*10-6 1+4*6-1 2*4+8+12 3+13*2-5
绛旓細1. 灏1.38鍗冪背杞崲涓虹背锛屽簲涔樹互杩涚巼1000锛屾纭瓟妗堟槸1380绫炽2. 瀵逛簬璐у竵鍗曚綅鎹㈢畻锛岃鏂囪鏈殑鍗曚环6.7鍏冿紝鍐欎綔6.70鍏冩垨6.70鍏冩洿涓鸿鑼冦傝67鍏冩槸姝ｇ‘鐨勶紝鍥犱负灏忔暟鐐瑰悗鏈変竴浣嶆暟瀛椼3. 鏁板璇炬湰鐨勫崟浠7.75鍏冿紝鍐欎綔7.75鍏冩垨7.75鍏冩槸姝ｇ‘鐨勩傝77.5鍏冩槸閿欒鐨勶紝鍥犱负灏忔暟鐐瑰悗鐨勬暟瀛楀簲璇ヤ繚鎸佷笉...
绛旓細鏄繖涓鍚楋紵
绛旓細3 锛埫 锛3锛 锛嬶級3锛 梅锛3=2 3锛 脳锛3锛 锛嶏級3锛 锛嶏級3=3 3锛 梅锛3锛 +锛3锛 锛嬶級3=7 3锛 脳锛3锛 锛嶏級3锛 梅锛3=8 3锛 脳 锛3锛 脳锛3( 梅 )3=9 ok 浜
绛旓細1. 鐢ㄩ噺瑙掑櫒閲忓嚭涓嬮潰瑙掔殑搴︽暟銆 2. 鐢ㄩ噺瑙掑櫒鐢讳竴涓700鐨勮銆 3.杩嘇鐐逛綔瀵瑰簲搴曡竟涓婄殑楂樸 鍏佽В鍐抽棶棰樸(1銆2銆3銆4棰姣棰4鍒,绗5棰5鍒,...10銆佺幇鏈2銆2銆8銆9鍥涓暟瀛,浣犺兘杩愮敤"+銆-銆亁銆伱"鍜"()"鎶婂畠缁勬垚寰楁暟鏄24鐨绠楀紡鍚?绠楀紡鏄:()銆 灏忓鍥涘勾绾т笅鍐鏁板鏈熸湯鑰冭瘯璇曢 3 (鏃堕棿:80...
绛旓細3銆38.537淇濈暀鏁存暟鏄紙 锛夛紝淇濈暀涓浣嶅皬鏁版槸锛 锛夛紝淇濈暀涓や綅灏忔暟鏄紙 锛夈4銆佹妸3.24锛3.42锛3.204锛3.402鍥涗釜鏁颁粠灏忓埌澶ф帓鍒楄捣鏉ユ槸锛氾紙 锛夛工锛 锛夛工锛 锛夛工锛 锛5銆佸湪鈻￠噷濉笂閫傚綋鐨勬暟锛岀劧鍚庡垪鎴愮患鍚绠楀紡銆傜患鍚堝紡锛 缁煎悎寮忥細浜屻佸簲鐢ㄧ粌涔犮1銆佽绠椾笅闈㈠悇棰樺苟楠岀畻銆12.68...
绛旓細9銆佸湪鈼嬮噷濉笂鍚堥傜殑绗﹀彿銆 28579鈼99988345067鈼8354067 128梅8鈼(128梅4)梅(8脳4) 300梅15鈼(300梅3)梅(15梅3) 10銆佺幇鏈2銆2銆8銆9鍥涓暟瀛,浣犺兘杩愮敤"+銆-銆亁銆伱"鍜"()"鎶婂畠缁勬垚寰楁暟鏄24鐨绠楀紡鍚?绠楀紡鏄:()銆 灏忓鍥涘勾绾т笅鍐鏁板鏈熸湯鑰冭瘯璇曢 3 (鏃堕棿:80鍒嗛挓,婊″垎:100鍒) 涓銆佸彛绠椼(0....
