(3,5)什么意思
\u201c3.5\u201d\u662f\u4ec0\u4e48\u610f\u601d\uff1f- - \u8fd9\u53ef\u4ee5\u4ee3\u8868\u5f88\u591a\u554a..
\u5c31\u4e00\u4e2a\u6570\u5b57 3.5
\u4e00\u4e2a\u65e5\u671f \u4e09\u6708\u4e94\u65e5
\u4e4b\u7c7b\u7684..\u6ca1\u6709\u60c5\u666f\u4e48...\u6709\u60c5\u666f\u4e5f\u6709\u4e2a\u65b9\u5411\u554a..
\u201c1.5\u500d\u201d\u610f\u601d\u662f\u6307\u539f\u6765\u76841.5\u500d\uff0c\u662f\u6bd4\u539f\u6765\u589e\u52a0\u4e86\u4e00\u534a\uff0c\u201c2\u500d\u201d\u662f\u6307\u6bd4\u539f\u6765\u591a\u4e86\u4e00\u500d\uff0c\u201c3\u500d\u201d\u662f\u6307\u6bd4\u539f\u6765\u591a\u4e86\u4e24\u500d\u3002
\u5728\u6570\u5b66\u4e2d\uff0c\u5982\u679c\u6570 a \u80fd\u88ab b \uff08b\u22600\uff09 \u6574\u9664\uff0ca \u5c31\u53eb\u4f5c b \u7684\u500d\u6570\u3002\u4f8b\u5982\uff0c20\u00f74=5\uff0c\u621620\u00f75=4\u300220 \u662f 4 \u548c 5\u7684\u500d\u6570\uff1b4 \u548c 5 \u662f 20 \u7684\u56e0\u6570\u3002\u6216\u8005\u8bf4\uff0c\u4e00\u4e2a\u6570\u4e0e\u4efb\u610f\u975e\u96f6\u81ea\u7136\u6570\u7684\u79ef\u90fd\u662f\u8fd9\u4e2a\u6570\u7684\u500d\u6570\u3002\u4f8b\u5982\uff0c3\u00d74=12\uff0c12 \u5c31\u662f 3 \u6216 4 \u7684\u500d\u6570\u3002
\u6269\u5c55\u8d44\u6599
\u4e00\u3001\u56e0\u6570\u4e0e\u500d\u6570\u7684\u5173\u7cfb\uff1a
\u56e0\u6570\u4e0e\u500d\u6570\u662f\u4e00\u79cd\u76f8\u4e92\u4f9d\u5b58\u7684\u5173\u7cfb\uff0c\u4efb\u4f55\u4e00\u65b9\u90fd\u4e0d\u80fd\u5355\u72ec\u5b58\u5728\u3002
\u5982 6\u00d75=30\uff0c\u6211\u4eec\u53ef\u4ee5\u8bf46\u548c5\u662f30\u7684\u56e0\u6570\uff0c\u6216\u8005\u8bf430\u662f6\u548c5\u7684\u500d\u6570\u3002\u4e0d\u80fd\u5355\u72ec\u8bf430\u662f\u500d\u6570\uff0c6\u62165\u662f\u56e0\u6570\u3002
\u4e8c\u3001\u7279\u6b8a\u7684\u6700\u5c0f\u516c\u500d\u6570
1\u3001\u5982\u679c\u8f83\u5927\u6570\u662f\u8f83\u5c0f\u6570\u7684\u500d\u6570\uff0c\u90a3\u4e48\u8f83\u5927\u6570\u5c31\u662f\u8fd9\u4e24\u4e2a\u6570\u7684\u6700\u5c0f\u516c\u500d\u6570\u3002\u4f8b\u5982\uff0c4 \u4e0e 8\uff0c8 \u662f 4 \u7684\u500d\u6570\uff0c8 \u662f\u8fd9\u4e24\u4e2a\u6570\u7684\u6700\u5c0f\u516c\u500d\u6570\u3002
2\u3001\u5982\u679c\u4e24\u4e2a\u6570\u662f\u4e92\u8d28\u6570\uff0c\u90a3\u4e48\u8fd9\u4e24\u4e2a\u6570\u7684\u79ef\u5c31\u662f\u5b83\u4eec\u7684\u6700\u5c0f\u516c\u500d\u6570\u3002\u4f8b\u5982\uff0c4\u4e0e5\u4e92\u8d28\uff0c4\u00d75=20\uff0c20\u662f4\u4e0e5\u7684\u6700\u5c0f\u516c\u500d\u6570\u3002
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