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【吧主原创】▁▁趣味算式之9▁▁完美无缺的算式

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好大的计算量,填三个符号共有64种情况,分别是:+++,++-,++*,++/,+-,+--,+-*,+-/,+*+,+*-,+**,+*/,+/+,+/-,+/*,+//,-++,-+-,-+*,-+/,--,---,--*,--/,-*+,-*-,-**,-*/,-/+,-/-,-/*,-//,*++,*+-,*+*,*+/,*-,*--,*-*,*-/,**+,**-,***,**/,*/+,*/-,*/*,*//,/++,/+-,/+*,/+/,/-,/--,/-*,/-/,/*+,/*-,/**,/*/,//+,//-,//*,///,其中很多没有解,有解的有29种形式。 

1、-++解答数量:240 
123-46+5+7=89,123-46+7+5=89,123-49+5+7=86,123-49+7+5=86,123-56+4+8=79 
123-56+8+4=79,123-59+4+8=76,123-59+8+4=76,123-76+4+8=59,123-76+8+4=59 
…… 
173-96+2+5=84,173-96+5+2=84,175-84+2+3=96,175-84+3+2=96,175-86+2+3=94 
175-86+3+2=94,175-94+2+3=86,175-94+3+2=86,175-96+2+3=84,175-96+3+2=84 

2、-+-解答数量:240 
126-43+9-5=87,126-43+9-7=85,126-45+9-3=87,126-45+9-7=83,126-47+9-3=85 
126-47+9-5=83,126-53+9-4=78,126-53+9-8=74,126-54+9-3=78,126-54+9-8=73 
…… 
176-83+4-2=95,176-83+4-5=92,176-85+4-2=93,176-85+4-3=92,176-92+4-3=85 
176-92+4-5=83,176-93+4-2=85,176-93+4-5=82,176-95+4-2=83,176-95+4-3=82 

3、-+*解答数量:136 
124-56+3*7=89,124-56+7*3=89,124-59+3*7=86,124-59+7*3=86,124-86+3*7=59 
124-86+7*3=59,124-89+3*7=56,124-89+7*3=56,127-53+4*6=98,127-53+6*4=98 
…… 
173-86+2*4=95,173-86+4*2=95,173-95+2*4=86,173-95+4*2=86,173-96+2*4=85 
173-96+4*2=85 

4、-+/解答数量:32 
125-48+6/3=79,125-49+6/3=78,125-78+6/3=49,125-79+6/3=48,134-58+6/2=79 
134-59+6/2=78,134-78+6/2=59,134-79+6/2=58,137-45+8/2=96,137-46+8/2=95 
137-95+8/2=46,137-96+8/2=45,143-57+6/2=89,143-59+6/2=87,143-87+6/2=59 
143-89+6/2=57,146-53+8/2=97,146-57+8/2=93,146-93+8/2=57,146-97+8/2=53 
158-63+4/2=97,158-67+4/2=93,158-93+4/2=67,158-97+4/2=63,164-73+8/2=95 
164-75+8/2=93,164-93+8/2=75,164-95+8/2=73,176-83+4/2=95,176-85+4/2=93 
176-93+4/2=85,176-95+4/2=83 

5、--+解答数量:240 
126-43-5+9=87,126-43-7+9=85,126-45-3+9=87,126-45-7+9=83,126-47-3+9=85 
126-47-5+9=83,126-53-4+9=78,126-53-8+9=74,126-54-3+9=78,126-54-8+9=73 
…… 
176-83-2+4=95,176-83-5+4=92,176-85-2+4=93,176-85-3+4=92,176-92-3+4=85 
176-92-5+4=83,176-93-2+4=85,176-93-5+4=82,176-95-2+4=83,176-95-3+4=82 

6、---解答数量:288 
126-34-5-8=79,126-34-5-9=78,126-34-8-5=79,126-34-8-9=75,126-34-9-5=78 
126-34-9-8=75,126-35-4-8=79,126-35-4-9=78,126-35-8-4=79,126-35-8-9=74 
…… 
162-97-8-3=54,162-97-8-4=53,162-98-3-4=57,162-98-3-7=54,162-98-4-3=57 
162-98-4-7=53,162-98-7-3=54,162-98-7-4=53 

7、--*解答数量:320 
126-37-5*8=49,126-37-8*5=49,126-39-5*8=47,126-39-8*5=47,126-47-5*8=39 
126-47-8*5=39,126-49-5*8=37,126-49-8*5=37,127-36-4*8=59,127-36-8*4=59 
…… 
214-96-5*7=83,214-96-7*5=83,215-73-6*8=94,215-73-8*6=94,215-74-6*8=93 
215-74-8*6=93,215-93-6*8=74,215-93-8*6=74,215-94-6*8=73,215-94-8*6=73 

8、--/解答数量:20 
126-45-9/3=78,126-48-9/3=75,126-75-9/3=48,126-78-9/3=45,137-45-6/2=89 
137-49-6/2=85,137-85-6/2=49,137-89-6/2=45,139-62-8/4=75,139-65-8/4=72 
139-72-8/4=65,139-75-8/4=62,157-62-8/4=93,157-63-8/4=92,157-92-8/4=63 
157-93-8/4=62,162-74-9/3=85,162-75-9/3=84,162-84-9/3=75,162-85-9/3=74 



1楼2006-06-26 11:46回复
    364/28-5+9=17,364/28-7+9=15,396/18-4+7=25,396/18-5+7=24,435/29-6+8=17 
    435/29-7+8=16,437/19-5+8=26,437/19-6+8=25,456/12-7+8=39,456/12-9+8=37 
    …… 
    836/19-7+5=42,891/27-4+6=35,891/27-5+6=34,893/47-5+2=16,893/47-6+2=15 
    928/16-4+3=57,928/16-7+3=54 

    21、/--解答数量:12 
    972/18-3-5=46,972/18-3-6=45,972/18-5-3=46,972/18-5-6=43,972/18-6-3=45 
    972/18-6-5=43,972/36-4-5=18,972/36-4-8=15,972/36-5-4=18,972/36-5-8=14 
    972/36-8-4=15,972/36-8-5=14 

    22、/-*解答数量:16 
    689/13-4*7=25,689/13-7*4=25,768/12-3*5=49,768/12-5*3=49,784/16-2*5=39 
    784/16-5*2=39,874/19-2*5=36,874/19-5*2=36,897/23-4*6=15,897/23-6*4=15 
    938/14-6*7=25,938/14-7*6=25,984/12-3*5=67,984/12-5*3=67,986/34-2*7=15 
    986/34-7*2=15 

    23、/-/解答数量:21 
    368/14-9/7=25,478/12-5/6=39,486/27-9/3=15,495/18-3/6=27,543/18-7/6=29 
    562/14-8/7=39,564/18-7/3=29,568/12-3/9=47,596/12-8/3=47,629/17-8/4=35 
    629/37-8/4=15,697/34-5/2=18,765/34-9/2=18,784/12-3/9=65,789/12-3/4=65 
    892/14-5/7=63,935/68-7/4=12,936/48-5/2=17,956/28-1/7=34,973/21-8/6=45 
    987/21-6/3=45 

    24、/*+解答数量:81 
    134/67*8+9=25,136/24*9+7=58,146/73*8+9=25,148/37*6+5=29,172/36*9+5=48 
    176/32*8+5=49,176/48*9+2=35,183/27*9+4=65,184/23*6+9=57,184/23*7+9=65 
    …… 
    854/61*2+9=37,867/51*2+9=43,893/47*1+6=25,897/23*1+6=45,923/71*4+6=58 
    952/84*6+3=71 

    25、/*-解答数量:124 
    184/23*9-5=67,184/23*9-7=65,238/14*5-6=79,238/14*5-9=76,238/14*6-5=97 
    238/14*6-7=95,247/13*5-6=89,247/13*5-9=86,248/31*9-5=67,248/31*9-7=65 
    …… 
    837/54*6-2=91,845/91*7-2=63,845/91*7-3=62,864/27*3-1=95,864/27*3-5=91 
    867/51*3-2=49,867/51*3-9=42,986/34*2-1=57,986/34*2-7=51 

    26、/**解答数量:16 
    172/54*3*9=86,172/54*9*3=86,172/86*3*9=54,172/86*9*3=54,329/47*1*8=56 
    329/47*8*1=56,329/56*1*8=47,329/56*8*1=47,574/63*1*9=82,574/63*9*1=82 
    574/82*1*9=63,574/82*9*1=63,851/69*2*3=74,851/69*3*2=74,851/74*2*3=69 
    851/74*3*2=69 

    27、/*/解答数量:16 
    329/47*8/1=56,329/56*8/1=47,356/14*7/2=89,356/89*7/2=14,476/28*9/3=51 
    476/51*9/3=28,546/21*9/3=78,546/78*9/3=21,568/24*9/3=71,568/71*9/3=24 
    574/63*9/1=82,574/82*9/1=63,584/12*9/6=73,584/73*9/6=12,782/46*9/3=51 
    782/51*9/3=46 

    28、//+解答数量:12 
    486/27/3+9=15,578/34/1+9=26,658/47/1+9=23,754/26/1+9=38,756/84/3+9=12 
    768/32/4+9=15,784/56/1+9=23,798/14/3+6=25,893/47/1+6=25,896/14/2+5=37 
    897/23/1+6=45,986/17/2+5=34 

    29、//*解答数量:16 
    329/47/1*8=56,329/56/1*8=47,356/14/2*7=89,356/89/2*7=14,476/28/3*9=51 
    476/51/3*9=28,546/21/3*9=78,546/78/3*9=21,568/24/3*9=71,568/71/3*9=24 
    574/63/1*9=82,574/82/1*9=63,584/12/6*9=73,584/73/6*9=12,782/46/3*9=51 
    782/51/3*9=46 
    回答者: 山山红叶飞 - 总监 九级 6-26 09:54


    3楼2006-06-26 11:46
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      请先生将完整的答案贴上来.

      好喜欢的.


      4楼2006-06-26 11:47
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        精彩极了.谢谢.


        20楼2006-06-26 23:38
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          看出来了.

          真的不容易的.


          22楼2006-06-27 07:29
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            学好数学,数学好学. 

            真的了不起的,让多少孩子对数学有了兴趣.


            23楼2006-07-07 19:44
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              整齐有序


              24楼2006-07-19 18:24
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