运用运算符号和括号使4个3等于4?
\u56db\u4e2a\u4e09\u8fd0\u7528\u5404\u79cd\u8fd0\u7b97\u7b26\u53f7\u53ca\u62ec\u53f7\u540e\u7b49\u4e8e\u4e8c\u5341,\u600e\u6837\u505a\u8fd9\u7b97\u662f\u8111\u7b4b\u6025\u8f6c\u5f2f\u7684\u9898\u76ee\u5417\uff1f
3.3\u00d7(3+3) = 20
\u5176\u4e2d3.3\u540e\u97623\u4e0a\u9762\u52a0\u4e00\u70b9\u8868\u793a\u65e0\u9650\u5faa\u73af\uff0c\u53733.333333... = 1/3\u3002
\u5e94\u8be5\u8fd8\u6709\u5176\u5b83\u89e3\u91ca\u65b9\u6cd5\u3002\u6570\u5b66\u5f88\u6709\u610f\u601d\u7684\u3002
3*3*3-3=24
( 3 × 3 + 3 )÷ 3 = 4(3*3+3)/3=4
绛旓細锛 3 脳 3 + 3 锛壝 3 = 4
绛旓細3脳3-3锛3锛3 锛3脳3+3锛壝3锛4 3+3-3梅3锛5 3+3+3锛3锛6 3+3+3梅3锛7 3脳3锛3梅3锛8
绛旓細3脳3锛3-3=3 (3脳3+3)梅3=4 (3+3)梅3+3=5
绛旓細锛3 x 3锛-(3+ 3) =3;锛3 x 3锛-3- 3 =3;
绛旓細锛3+3锛*3/3 = 6 3+3+3/3 = 7 3*3-3/3 = 8 3*3*3/3 = 9 3*3+3/3 = 10 鏄箻鍙 /鏄櫎鍙 浣犺瘯璇,鑲畾瀵
绛旓細3+3+3梅3=7 3*3-3梅3=8
绛旓細锛3脳3锛壝凤紙3脳3锛夛紳1锛堜袱涓浉绛夌殑鏁扮浉闄,鍟嗘槸1锛夛紙3梅3锛壝(3梅3锛夛紳1锛1鍜1鐩镐箻,绉槸1锛夛紙3梅3锛壝凤紙3梅3锛夛紳1 锛3锛3锛夛紜锛3梅3锛夛紳1
绛旓細3脳3梅3+3=6 (3-3梅3)脳3=6 3-3+3+3=6 3+3-3+3=6 (3+3)梅3+3=6 3+3+3-3=6 (3+3)梅3+3=6
绛旓細3*(3-3)+3
绛旓細(3脳3+3)梅3=4