客服管家是干什么的:73, 61, 56, 62, ?

来源:百度文库 编辑:查人人中国名人网 时间:2024/04/24 01:44:11
?应该是几??给出理由哦~
没看懂。。。

答案是:55
排除重复解共有758个,非负数的共有448个:
12-34+43-21=0,12-35+53-21=9,12-36+63-21=18,12-37+73-21=27,12-38+83-21=36
12-39+93-21=45,12-45+54-21=0,12-46+64-21=9,12-47+74-21=18,12-48+84-21=27
12-49+94-21=36,12-56+65-21=0,12-57+75-21=9,12-58+85-21=18,12-59+95-21=27
12-67+76-21=0,12-68+86-21=9,12-69+96-21=18,12-78+87-21=0,12-79+97-21=9
12-89+98-21=0,13-24+42-31=0,13-25+52-31=9,13-26+62-31=18,13-27+72-31=27
13-28+82-31=36,13-29+92-31=45,13-46+64-31=0,13-47+74-31=9,13-48+84-31=18
13-49+94-31=27,13-57+75-31=0,13-58+85-31=9,13-59+95-31=18,13-68+86-31=0
13-69+96-31=9,13-79+97-31=0,14-25+52-41=0,14-26+62-41=9,14-27+72-41=18
14-28+82-41=27,14-29+92-41=36,14-36+63-41=0,14-37+73-41=9,14-38+83-41=18
14-39+93-41=27,14-58+85-41=0,14-59+95-41=9,14-69+96-41=0,15-26+62-51=0
15-27+72-51=9,15-28+82-51=18,15-29+92-51=27,15-37+73-51=0,15-38+83-51=9
15-39+93-51=18,15-48+84-51=0,15-49+94-51=9,16-27+72-61=0,16-28+82-61=9
16-29+92-61=18,16-38+83-61=0,16-39+93-61=9,16-49+94-61=0,17-28+82-71=0
17-29+92-71=9,17-39+93-71=0,18-29+92-81=0,21-34+43-12=18,21-35+53-12=27
21-36+63-12=36,21-37+73-12=45,21-38+83-12=54,21-39+93-12=63,21-43+34-12=0
21-45+54-12=18,21-46+64-12=27,21-47+74-12=36,21-48+84-12=45,21-49+94-12=54
21-54+45-12=0,21-56+65-12=18,21-57+75-12=27,21-58+85-12=36,21-59+95-12=45
21-65+56-12=0,21-67+76-12=18,21-68+86-12=27,21-69+96-12=36,21-76+67-12=0
21-78+87-12=18,21-79+97-12=27,21-87+78-12=0,21-89+98-12=18,21-98+89-12=0
23-45+54-32=0,23-46+64-32=9,23-47+74-32=18,23-48+84-32=27,23-49+94-32=36
23-56+65-32=0,23-57+75-32=9,23-58+85-32=18,23-59+95-32=27,23-67+76-32=0
23-68+86-32=9,23-69+96-32=18,23-78+87-32=0,23-79+97-32=9,23-89+98-32=0
24-35+53-42=0,24-36+63-42=9,24-37+73-42=18,24-38+83-42=27,24-39+93-42=36
24-57+75-42=0,24-58+85-42=9,24-59+95-42=18,24-68+86-42=0,24-69+96-42=9
2.4*7.5=18,2+4+7+5=18,24-79+97-42=0,25-36+63-52=0,25-37+73-52=9,25-38+83-52=18
25-39+93-52=27,25-47+74-52=0,25-48+84-52=9,25-49+94-52=18,25-69+96-52=0
26-37+73-62=0,26-38+83-62=9,26-39+93-62=18,26-48+84-62=0,26-49+94-62=9
26-59+95-62=0,27-38+83-72=0,27-39+93-72=9,27-49+94-72=0,28-39+93-82=0
31-42+24-13=0,31-45+54-13=27,31-46+64-13=36,31-47+74-13=45,31-48+84-13=54
31-49+94-13=63,31-54+45-13=9,31-56+65-13=27,31-57+75-13=36,31-58+85-13=45
31-59+95-13=54,31-64+46-13=0,31-65+56-13=9,31-67+76-13=27,31-68+86-13=36
31-69+96-13=45,31-75+57-13=0,31-76+67-13=9,31-78+87-13=27,31-79+97-13=36
31-86+68-13=0,31-87+78-13=9,31-89+98-13=27,31-97+79-13=0,31-98+89-13=9
32-45+54-23=18,32-46+64-23=27,32-47+74-23=36,32-48+84-23=45,32-49+94-23=54
32-54+45-23=0,32-56+65-23=18,32-57+75-23=27,32-58+85-23=36,32-59+95-23=45
32-65+56-23=0,32-67+76-23=18,32-68+86-23=27,32-69+96-23=36,32-76+67-23=0
32-78+87-23=18,32-79+97-23=27,32-87+78-23=0,32-89+98-23=18,32-98+89-23=0
34-56+65-43=0,34-57+75-43=9,34-58+85-43=18,34-59+95-43=27,34-67+76-43=0
34-68+86-43=9,34-69+96-43=18,34-78+87-43=0,34-79+97-43=9,34-89+98-43=0
35-46+64-53=0,35-47+74-53=9,35-48+84-53=18,35-49+94-53=27,35-68+86-53=0
35-69+96-53=9,35-79+97-53=0,36-47+74-63=0,36-48+84-63=9,36-49+94-63=18
36-58+85-63=0,36-59+95-63=9,37-48+84-73=0,37-49+94-73=9,37-59+95-73=0
38-49+94-83=0,41-52+25-14=0,41-53+35-14=9,41-56+65-14=36,41-57+75-14=45
41-58+85-14=54,41-59+95-14=63,41-63+36-14=0,41-65+56-14=18,41-67+76-14=36
41-68+86-14=45,41-69+96-14=54,41-75+57-14=9,41-76+67-14=18,41-78+87-14=36
41-79+97-14=45,41-85+58-14=0,41-86+68-14=9,41-87+78-14=18,41-89+98-14=36
41-96+69-14=0,41-97+79-14=9,41-98+89-14=18,42-53+35-24=0,42-56+65-24=27
42-57+75-24=36,42-58+85-24=45,42-59+95-24=54,42-65+56-24=9,42-67+76-24=27
42-68+86-24=36,42-69+96-24=45,42-75+57-24=0,42-76+67-24=9,42-78+87-24=27
42-79+97-24=36,42-86+68-24=0,42-87+78-24=9,42-89+98-24=27,42-97+79-24=0
42-98+89-24=9,43-56+65-34=18,43-57+75-34=27,43-58+85-34=36,43-59+95-34=45
43-65+56-34=0,43-67+76-34=18,43-68+86-34=27,43-69+96-34=36,43-76+67-34=0
43-78+87-34=18,43-79+97-34=27,43-87+78-34=0,43-89+98-34=18,43-98+89-34=0
45-67+76-54=0,45-68+86-54=9,45-69+96-54=18,45-78+87-54=0,45-79+97-54=9
45-89+98-54=0,46-57+75-64=0,46-58+85-64=9,46-59+95-64=18,46-79+97-64=0
47-58+85-74=0,47-59+95-74=9,47-69+96-74=0,48-59+95-84=0,51-62+26-15=0
51-63+36-15=9,51-64+46-15=18,51-67+76-15=45,51-68+86-15=54,51-69+96-15=63
51-73+37-15=0,51-74+47-15=9,51-76+67-15=27,51-78+87-15=45,51-79+97-15=54
51-84+48-15=0,51-86+68-15=18,51-87+78-15=27,51-89+98-15=45,51-96+69-15=9
51-97+79-15=18,51-98+89-15=27,52-63+36-25=0,52-64+46-25=9,52-67+76-25=36
52-68+86-25=45,52-69+96-25=54,52-74+47-25=0,52-76+67-25=18,52-78+87-25=36
52-79+97-25=45,52-86+68-25=9,52-87+78-25=18,52-89+98-25=36,52-96+69-25=0
52-97+79-25=9,52-98+89-25=18,53-64+46-35=0,53-67+76-35=27,53-68+86-35=36
53-69+96-35=45,53-76+67-35=9,53-78+87-35=27,53-79+97-35=36,53-86+68-35=0
53-87+78-35=9,53-89+98-35=27,53-97+79-35=0,53-98+89-35=9,54-67+76-45=18
54-68+86-45=27,54-69+96-45=36,54-76+67-45=0,54-78+87-45=18,54-79+97-45=27
54-87+78-45=0,54-89+98-45=18,54-98+89-45=0,56-78+87-65=0,56-79+97-65=9
56-89+98-65=0,57-68+86-75=0,57-69+96-75=9,58-69+96-85=0,61-72+27-16=0
61-73+37-16=9,61-74+47-16=18,61-75+57-16=27,61-78+87-16=54,61-79+97-16=63
61-83+38-16=0,61-84+48-16=9,61-85+58-16=18,61-87+78-16=36,61-89+98-16=54
61-94+49-16=0,61-95+59-16=9,61-97+79-16=27,61-98+89-16=36,62-73+37-26=0
62-74+47-26=9,62-75+57-26=18,62-78+87-26=45,62-79+97-26=54,62-84+48-26=0
62-85+58-26=9,62-87+78-26=27,62-89+98-26=45,62-95+59-26=0,62-97+79-26=18
62-98+89-26=27,63-74+47-36=0,63-75+57-36=9,63-78+87-36=36,63-79+97-36=45
63-85+58-36=0,63-87+78-36=18,63-89+98-36=36,63-97+79-36=9,63-98+89-36=18
64-75+57-46=0,64-78+87-46=27,64-79+97-46=36,64-87+78-46=9,64-89+98-46=27
64-97+79-46=0,64-98+89-46=9,65-78+87-56=18,65-79+97-56=27,65-87+78-56=0
65-89+98-56=18,65-98+89-56=0,67-89+98-76=0,68-79+97-86=0,71-82+28-17=0
71-83+38-17=9,71-84+48-17=18,71-85+58-17=27,71-86+68-17=36,71-89+98-17=63
71-93+39-17=0,71-94+49-17=9,71-95+59-17=18,71-96+69-17=27,71-98+89-17=45
72-83+38-27=0,72-84+48-27=9,72-85+58-27=18,72-86+68-27=27,72-89+98-27=54
72-94+49-27=0,72-95+59-27=9,72-96+69-27=18,72-98+89-27=36,73-84+48-37=0
73-85+58-37=9,73-86+68-37=18,73-89+98-37=45,73-95+59-37=0,73-96+69-37=9
73-98+89-37=27,74-85+58-47=0,74-86+68-47=9,74-89+98-47=36,74-96+69-47=0
74-98+89-47=18,7.5*2.4=18,7+5+2+4=18,75-86+68-57=0,75-89+98-57=27,75-98+89-57=9
76-89+98-67=18,76-98+89-67=0,81-92+29-18=0,81-93+39-18=9,81-94+49-18=18
81-95+59-18=27,81-96+69-18=36,81-97+79-18=45,82-93+39-28=0,82-94+49-28=9
82-95+59-28=18,82-96+69-28=27,82-97+79-28=36,83-94+49-38=0,83-95+59-38=9
83-96+69-38=18,83-97+79-38=27,84-95+59-48=0,84-96+69-48=9,84-97+79-48=18
85-96+69-58=0,85-97+79-58=9,86-97+79-68=0

一楼的答案太全了

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