把0-9这10个数字填在方框里,(每个数字只能用一次) ()-()=() ()-()=() ()-()=() 把0一9这10个数字填在下面的()号里使三个等式成立,每个数...
\u628a0-9\u8fd910\u4e2a\u6570\u5b57\u586b\u5728\u65b9\u6846\u91cc\uff0c\uff08\u6bcf\u4e2a\u6570\u5b57\u53ea\u80fd\u7528\u4e00\u6b21\uff09\uff0c\u4f7f\u7b49\u5f0f\u6210\u7acb\u3002 \u901f\u5ea6\uff0c\u56db\u5e74\u7ea7\u5bd2\u5047\u4f5c\u4e1a\u6709\u3002\uff084)\uff085\uff09/(9)=(8)-(1)*(3)=(2)*(6)-(7)=5.
\u505a\u6cd5:
1.\u56e0\u4e3a:1-9\u7684\u6570\u5b57\u4e4b\u548c\u4e3a45,\u5148\u628a45/3=15;\u518d\u628a15/3=5.\u6545\u5f97\u6bcf\u7b49\u53f7
\u5fc5\u5f97\u65705.\u8bf4\u660e\u65705\u662f\u4e09\u7b49\u53f7\u7684\u5546\u6216\u5dee\u4e86.
2.\u5728\u8be5\u9898\u76ee\u4e2d,\u53ea\u9700\u8bd5\u505a\u4e24\u6b21,\u5c31\u53ef\u5f97\u51fa\u7ed3\u679c.\u5728( )-( )*( )\u4e2d,\u9501\u5b9a\u4e86\u201c1\u201d,\u6240\u4ee5,\u5728( )( )/( )\u4e2d,\u5c31\u53ea\u670935/7\u548c45/9\u4e86.
a.(3)(5)/(7)=(9)-(1)*(4)=......\u6b64\u9879\u4e0d\u6210\u7acb\u4e86\u3002
b,(4)(5)/(9)=(8)-(1)*(3)=(2)*(6)-(7),\u6210\u7acb\uff0c\u4fbf\u5f97\u5230\u4e86\u7ed3\u679c\u3002
7+1=8
9-3=6
20\u00f75=4
\u7136\u540e\u68c0\u9a8c\u662f\u5426\u6bcf\u4e2a\u6570\u5b57\u53ea\u7528\u4e86\u4e00\u6b21\u3002\u6216\u8005\u4ee5\u4e0b\u65b9\u6cd5\uff1a
6+3=9
8-1=7
20\u00f74=5
\u3010\u89e3\u6790\u3011
\u672c\u9898\u4e3b\u8981\u8003\u67e5\u56db\u5219\u8fd0\u7b97\u7684\u5e94\u7528\u3002
\u901a\u8fc7\u6570\u5b57\u7ec4\u5408\u6784\u6210\u4e00\u4e2a\u7b49\u5f0f\uff0c\u5199\u7684\u8fc7\u7a0b\u4e2d\uff0c\u8981\u6ce8\u610f\u6bcf\u4e2a\u6570\u5b57\u53ea\u80fd\u7528\u4e00\u6b21\uff0c\u5982\u679c\u51fa\u73b0\u91cd\u590d\u6570\u5b57\uff0c\u8bf4\u660e\u601d\u8def\u9519\u8bef\uff0c\u9700\u8981\u91cd\u65b0\u8ba1\u7b97\u3002
\u6269\u5c55\u8d44\u6599\uff1a
\u56db\u5219\u8fd0\u7b97\uff1a
1\u3001\u52a0\u6cd5\u5404\u90e8\u5206\u95f4\u7684\u5173\u7cfb\uff1a\u548c=\u52a0\u6570+\u52a0\u6570\uff0c\u52a0\u6570=\u548c-\u53e6\u4e00\u4e2a\u52a0\u6570\u3002
2\u3001\u51cf\u6cd5\u5404\u90e8\u5206\u95f4\u7684\u5173\u7cfb\uff1a\u5dee=\u88ab\u51cf\u6570-\u51cf\u6570\uff0c\u51cf\u6570=\u88ab\u51cf\u6570-\u5dee\uff0c\u88ab\u51cf\u6570=\u51cf\u6570+\u5dee\u3002
3\u3001\u4e58\u6cd5\u5404\u90e8\u5206\u95f4\u7684\u5173\u7cfb\uff1a\u79ef=\u56e0\u6570\u00d7\u56e0\u6570\uff0c\u56e0\u6570=\u79ef\u00f7\u53e6\u4e00\u4e2a\u56e0\u6570\u3002
4\u3001\u9664\u6cd5\u5404\u90e8\u5206\u95f4\u7684\u5173\u7cfb\uff1a\u5546=\u88ab\u9664\u6570\u00f7\u9664\u6570\uff0c\u9664\u6570=\u88ab\u9664\u6570\u00f7\u5546\uff0c\u88ab\u9664\u6570=\u5546\u00d7\u9664\u6570\u3002
10-4=6 9-2=7 8-3=5
(8)-(5)=(1) (0)-(7)=(1) (2)-(9)=(3)
(8)-(3)=(0) (7)-(2)=(1) (4)-(9)=(5)
10-6=4
9-2=7
8-3=5
绛旓細0+9=1+8=2+7=3+6=4+5 姣忎釜绛夊紡缁撴灉閮芥槸锛9
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绛旓細64\8+1=9 20\5+3=7
绛旓細9-4=8-3=7-2=6-1=5-0