5个0.5排列在一起,中间填上运算符号和括号让等式等于1怎么填 5 5 5 5=0可用括号和运算符号,使等式成立?
\u4e94\u4e2a0.5\u4e2d\u95f4\u52a0\u8fd0\u7b97\u7b26\u53f7\u548c\u62ec\u53f7\u7b49\u4e8e0.5\u600e\u4e48\u52a00.5\ufe620.5\ufe630.5\ufe620.5\ufe630.5\uff1d0.5
0.5\u00d70.5\u00f70.5\u00d70.5\u00f70.5\uff1d0.5
0.5\u00d7\ufe590.5\ufe620.5\ufe5a\u00d7\ufe590.5\ufe620.5\ufe5a\uff1d0.5
0.5\ufe62\ufe590.5\ufe630.5\ufe5a\ufe62\ufe590.5\ufe630.5\ufe5a\uff1d0.5
\u8fd8\u53ef\u4ee5\u6709\u4e00\u4e9b\u3002
\u53ef\u4ee5\u628a\u5b83\u4eec\u53d8\u62105\u4e005+5\u4e005\uff0c\u5c31\u7b49\u4e8e0\u3002
(0.5-0.5)×0.5+0.5+0.5(0.5+0.5)x 0.5/0.5-0.5
fromthetreeofthe
绛旓細(0.5 / 0.5 / 0.5 +0.5 ) / 0.5 = 5
绛旓細锛0.+50.-5.-0.-5锛*0.5=8 灏辨槸濡備笅锛(0.0+50.0-5-0.0-5)*0.5=8 鍝堝搱锛
绛旓細(0.5*0.5*0.5)*锛0.5+0.5锛=0.125銆傚厛绠楁嫭鍙烽噷鐨勶紝涓涓0.5鐩镐箻绛変簬0.125銆備袱涓0.5鐩稿姞绛変簬1銆0.125涔樹互1绛変簬0.125銆
绛旓細鍦浜斾釜鏁涓棿鍔犱笂杩愮畻绗﹀彿鍜屾嫭鍙凤紝浣跨瓑寮忔垚绔嬨 锛0.1锛0.2锛0.3锛壝0.4脳0.5锛0 锛0.1锛0.2锛壝0.3锛0.4锛0.5锛0.1 锛0.1锛0.2锛0.3锛壝0.4锛0.5锛1 锛0.1锛0.2锛0.3锛0.4锛壝0.5锛0 绗4涓拰绗竴涓樊涓嶅 1銆(0.1-0.2+0.3)-0.4*0.5=0 ...
绛旓細(0.1 + 0.2- 0.3) X (0.4 + 0.5) =0
绛旓細0.1锛0.2锛0.3锛0.5锛0.8鐨勮寰嬶細0.1+0.2=0.3锛0.3+0.5=0.8銆1銆佹寜涓瀹氱殑娆″簭鎺掑垪鐨勪竴鍒楁暟锛屽彨鍋氭暟鍒椼傝寰嬭暣娑靛湪鐩搁偦涓ゆ暟鐨勫樊鎴栧嶆暟涓備緥濡傦細1锛2锛3锛4锛5锛6鐩搁偦鐨勫樊閮戒负1锛1锛2锛4锛8锛16锛32鐩搁偦鐨勪袱鏁颁负2鍊嶅叧绯汇2銆佸墠鍚庡嚑椤逛负涓缁勶紝浠ョ粍涓哄崟浣嶆壘鍏崇郴锛屼究浜庢壘鍒...
绛旓細锛1+2-3锛*4*5 1+2-3-4+5 1*2+3*4+5 锛1+2+3锛/4 -5 1/2-3-4*5
绛旓細鏍规嵁棰樻剰鍙緱锛0.5脳锛0.5-0.5锛壝0.5脳0.5=0锛0.5+0.5-0.5+0.5-0.5=0.5锛0.5脳锛0.5-0.5锛+0.5+0.5=1锛0.5+0.5+锛0.5-0.5锛+0.5=1.5锛0.5梅0.5梅0.5梅05脳0.5=2锛
绛旓細(0.1-0.2+0.3)梅0.4+0.5=1