小学四年级数学题,在括号里填运算符号使等式成立。3【】3【】3【】3=8 3()3()3()3=8 3()3()3()3=3在括号里填...
3\uff08\uff093\uff08\uff093\uff08\uff093\uff08\uff093=3\u5728\u62ec\u53f7\u91cc\u586b\u4e0a\u7b26\u53f7\u4f7f\u7b49\u5f0f\u6210\u7acb\u8fd9\u9053\u9898\u600e\u4e48\u505a\uff1f3\uff08\uff0d\uff093\uff08+\uff093\uff08\uff0d\uff093\uff08+\uff093=3
3\u4e583-\uff083\u9664\u4ee53\uff09=8
3×3-3÷3=83*3-3/3=8
3×3-3÷3=8
3×3-3÷3=8
3*3-(3/3)=8
绛旓細9-1.15] 梅2.5 锛3.2脳1.5+2.5锛壝1.6 5.4梅[2.6脳锛3.7-2.9锛+0.62] 12脳6梅锛12-7.2锛-6 3.2脳6+锛1.5+2.5锛壝1.6 锛3.2脳1.5+2.5锛壝1.6 5.8脳锛3.87-0.13锛+4.2脳3.74 33.02锛嶏紙148.4锛90.85锛壝2.5甯涓嫭鍙鐨灏忓鍥涘勾绾ф暟瀛﹂ ...
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绛旓細灏忓鍥涘勾绾ф暟瀛涓嬪唽绗竷鍗曞厓銆婅繍绠楀緥銆嬫祴璇曞嵎 涓銆鍦ㄦ嫭鍙烽噷濉涓婅繍绠楀畾寰嬬殑鍚嶇О銆傦紙10鍒嗭級1锛巃锛媌= b锛媋 锛堬級2锛庯紙a锛媌锛夛紜c= a 锛嬶紙b锛媍锛夛紙锛3锛庯紙a锛媌锛壝梒= a 脳c锛媌脳c锛堬級4锛庯紙a脳b锛壝梒= a 脳锛坆脳c锛夛紙锛5锛巃脳b= b脳a 锛堬級浜屻佹牴鎹繍绠楀緥濉┖銆傦紙10鍒嗭級1锛85...
绛旓細490-40=450 450梅6=75 450闄わ紙75 锛=6 490闄わ紙75 锛=6浣40
绛旓細125*锛20+8锛=125*20+锛125锛*8
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绛旓細1銆侊紙125+4锛墄25x8,杩愮敤涔樻硶鍒嗛厤寰嬪彲浠ュ啓鎴愶紙 125x25x8+4x25x8 锛2銆佽浣23x鈻+77x鈻=9000锛屸枴閲屽簲璇ュ~( 90 )3銆佸湪鈻閲屽~涓婂悎閫傜殑鏁帮紝浣胯绠楃畝渚裤313x3+626x6-939x5 =313x(3+12-15)=0 4銆63x99+63=63x(99+1) 99x87=100x87-87 鍥炵瓟鏃舵爣濂藉簭鍙 娉細鍦ㄢ枴閲屽~鏁...
绛旓細1銆佸湪涓閬撴病鏈変綑鏁扮殑闄ゆ硶绠楀紡涓紝琚櫎鏁般侀櫎鏁般佸晢涓変釜鏁扮殑鍜屾槸189锛屽晢鏄9锛岃闄ゆ暟鏄紙162锛夈2銆侀夋嫨銆傦紙鎷彿閲屽~ 涓婃纭瓟妗堢殑缂栧彿锛変竴寮犻暱19CM锛屽12cm鐨勭焊锛岃嚦澶氳兘鍓嚭锛坈锛変釜鐩村緞涓3cm鐨勫渾銆侫.4 B.6 c.24 D.28
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绛旓細125涔((20)+8)=125涔20+(8)涔8鎷彿