5个4之间填上加,减,乘,除运算符号(不用括号),使计算结果等于1? 用1、2、3、4、5和加、减、乘、除组合一个算式,(不使用括...
\u5728\u4e94\u4e2a0.5\u4e4b\u95f4\u586b\u4e0a\u52a0\uff0c\u51cf\uff0c\u4e58\uff0c\u9664\u6216\u62ec\u53f7\u7b49\u7b26\u53f7\uff0c\u4f7f\u8fd0\u7b97\u7684\u7ed3\u679c\u5206\u522b\u7b49\u4e8e0\uff0c1\uff0c2\uff0c3\uff0c4\u30020.5\u00d70.5\u00d70.5\u00d7\uff080.5-0.5)=0\uff080.5\u00f70.5+0.5\u00f70.5\uff09\u00d70.5=1 0.5\u00f70.5\u00f70.5\u00d7\uff080.5\u00f70.5\uff09=2 0.5\u00f70.5\u00f70.5+0.5\u00f70.5=3 \uff080.5+0.5+0.5+0.5\uff09\u00f70.5=4
\u8fd0\u7b97\u7b26\u53f7\u53ef\u4ee5\u4e0d\u7528\u5168\u7684\u8bdd
\u4e0d\u7528\u62ec\u53f7\u7684\u8bdd2x3x4x5+1=121\u3002\u5982\u679c\u53ef\u4ee5\u7528\u62ec\u53f7\uff081+2\uff09x3x4x5=180
\u8fd0\u7b97\u7b26\u53f7\u8981\u7528\u5168\u7684\u8bdd
4*5+3-1/2=22.5
(4+4)/4-(4/4)=1
绛旓細锛4脳4+4锛壝4-4=1
绛旓細4梅4+4-4+4=5
绛旓細4*4/4-(4/4)=3
绛旓細锛4+4-4锛塜4/4=4
绛旓細(4+4+4)-(4-4)=12
绛旓細4梅4脳4-4梅4=4-1=3 璋㈤噰绾
绛旓細4梅4脳4锛4梅4=3
绛旓細浣犲彲浠ユ帓闄や竴涓嬪氨鐭ラ亾浜嗭紝4*4鍜4/4蹇呴渶棣栧厛绠楋紝涓嶇鏀惧摢涓綅缃紝涔熷氨鏄緱鍑16鍜1鐨勭瓟妗堬紝杩樻湁涓鍔犱竴鍑忓拰涓涓4锛杩欐牱绛旀寰堟槑鏄撅紝缁撴灉鏄笉鍙兘
绛旓細鐪嬬湅鎴戠殑鏂拌В锛(4-4)*4*4*4锛0 (4*4+4)/4-4锛1 4*4/4-4/4锛3
绛旓細锛4+4锛壝楋紙锛4锛4锛壝4锛=16 鍙兘鎯冲埌杩欎釜銆備笉鐢ㄦ嫭鍙凤紝鎯充笉鍒