四个3怎么算等于4 四个10如何计算等于4
\u75284\u4e2a3\u600e\u4e48\u8fd0\u7b97\u7ed3\u679c\u624d\u662f8\uff1f\u75284\u4e2a3\uff0c\u901a\u8fc7\u4e0b\u9762\u7684\u8fd0\u7b97\u65b9\u6cd5\u53ef\u4ee5\u5f97\u5230\u7ed3\u679c\u4e3a8\uff1a
(3-3/3)^3=(3-1)^3=2^3=8
\u6b64\u5916\uff0c\u7c7b\u4f3c\u8fd9\u79cd\u6570\u5b57\u3001\u7b97\u6cd5\u7ec4\u5408\u7684\u6e38\u620f\u8fd8\u6709\u8bb8\u591a\u79cd\uff0c\u4f8b\u5982\uff1a
\uff081\uff09\u725b\u725b\uff0c\u5b83\u7684\u8981\u6c42\u662f\u6e38\u620f\u8005\u5c06\u624b\u4e2d\u7684\u4e94\u4e2a\u6570\u5b57\u70b9\u6570\uff0c\u4ee5\u4e09\u4e2a\u4e3a\u5355\u4f4d\u6216\u8005\u4e24\u4e2a\u4e3a\u5355\u4f4d\u7684\u5f62\u5f0f\u6392\u5217\u621010\u7684\u500d\u6570\uff0c\u6700\u540e\u6bd4\u8f83\u5927\u5c0f\uff0c\u6e38\u620f\u8005\u7684\u6570\u5b57\u70b9\u6570\u5927\u4e8e\u5e84\u5bb6\u5219\u7b97\u80dc\u5229\u3002
\uff082\uff0924\u70b9\u6570\uff0c\u6839\u636e\u6240\u63d0\u4f9b\u76844\u4e2a\u6570\u5b57\u70b9\u6570\uff0c\u7ecf\u8fc7\u6709\u5173\u8fd0\u7b97\u53ef\u4ee5\u5f97\u523024\uff0c\u4f8b\u5982\uff1a4\u4e2a\u70b9\u6570\u5206\u522b\u95ee2\u30016\u30014\u30018\uff0c\u901a\u8fc72x6+4+8=12+12=24\u6216\u80054x8-2-6=32-8=24\u6216\u80056/(4-2)x8=3x8=24\u6216\u8005(8/4+2)x6=4x6=24\u6216\u8005(2+4)x(8-4)=6x4=24\u90fd\u53ef\u4ee5\u5f97\u5230\u6700\u7ec8\u7684\u7ed3\u679c\u3002
lg\u662f10\u7684\u5bf9\u6570\u51fd\u6570\uff0clg10=1
lg10+lg10+lg10+lg10
=1+1+1+1
=4
\u6269\u5c55\u8d44\u6599
\u5bf9\u6570\u7684\u8fd0\u7b97\u6cd5\u5219\uff1a
1\u3001log(a) (M\u00b7N\uff09=log(a) M+log(a) N\u3002
2\u3001log(a) (M\u00f7N)=log(a) M-log(a) N\u3002
3\u3001log(a) M^n=nlog(a) M\u3002
4\u3001log(a)b*log(b)a=1\u3002
5\u3001log(a) b=log (c) b\u00f7log (c) a\u3002
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1-LG
(3+3*3)/3
绛旓細杩囩▼鏄繖鏍峰瓙鐨勶細3脳3=9 9+3=12 12梅3=4 娉ㄦ剰涓涓嬶紝娌$敤鍒版嫭鍙峰摝 锛岄噰绾充竴妤肩殑鍚
绛旓細(3x3+3)梅3=4
绛旓細濡傛灉绛変簬4鐨勮瘽锛屽叏闇鐢ㄥ埌鍥涗釜3鐨勮瘽锛屼笉鐢ㄦ嫭鍙风殑璇濓紝鏍规湰娌℃湁绛旀锛侊紙3*3+3锛/3
绛旓細[锛3*3锛+3]/3
绛旓細瑙o細3 3 3 3=4杩欐牱濉繍绠楃鍙 锛1锛夛紙3+3x3锛壝3=4 锛3+3x3锛壝3 =锛3+9锛壝3 =12梅3 =4 锛2锛夛紙3x3+3锛壝3=4 锛3x3+3锛壝3 =锛9+3锛壝3 =12梅3 =4
绛旓細(3+3-3)梅3=1 3梅3+3梅3=2 3脳3-3-3=3 (3+3脳3)梅3=4 3+3-3梅3=5 3+3-3+3=6 3梅3+3+3=7 3脳3-3梅3=8
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绛旓細(3-3)脳3梅3=0 3梅3+3-3=1 3梅3+3梅3=2 3脳3锛3-3=3 (3脳3+3)梅3=4 (3+3)梅3+3=5
绛旓細(3+3-3)梅3锛1 3梅3+3梅3锛2 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
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