【紧急求助】ck,nd,nt,ng,nk,sk,sm,sn,squ组词.如:spot,stop.
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【紧急求助】ck,nd,nt,ng,nk,sk,sm,sn,squ组词.如:spot,stop.
ck,nd,nt,ng,nk,sk,sm,sn,squ组词.如:spot,stop.
在开头或末尾加
ck,nd,nt,ng,nk,sk,sm,sn,squ组词.如:spot,stop.
在开头或末尾加
clock,duck,pick,lock
and,kind,find,lend
can't,ant,aunt,count
sing,long,rang,strong
ink,link,pink,drink
skate,ski,sky,skirt
smart,small,smell,smooth
snock,snug,snob,sneeze
square,squat,squirrel,squeeze
and,kind,find,lend
can't,ant,aunt,count
sing,long,rang,strong
ink,link,pink,drink
skate,ski,sky,skirt
smart,small,smell,smooth
snock,snug,snob,sneeze
square,squat,squirrel,squeeze
【紧急求助】ck,nd,nt,ng,nk,sk,sm,sn,squ组词.如:spot,stop.
ck、nd、nt、ng、nk、sp、st、sk、sm、sn、sw、squ组词.如:spot、stop.
结尾以ng.nk.nt.nd的英文单词
bl br cl ck cr dr fl fr gl gr pl pr sc sk sl sm sn sp st sw
等差数列前n项和Sn Sm=k Sk=m 求Sm+k
设等差数列An的前n项和为Sn,若Sm=Sk=b则Sm+k=
以lk、nk、sk结尾的英语单词
英语 squ sk sc 的发音是一样的吗?
以知等差数列(AN)前K项和为SK且SN=M,SM=N,(M》N)求SM N
等差数列{an},a1>0,前n项和为Sn,且 Sm=Sk(m不等于k),当n为多少时,Sn取最大值?
等差数列{An}中,首项a1>0,前n项和为Sn,且Sm=Sk(m≠k)当n为和值时,Sn取最大值?
求助:证明对任意素数p,存在正整数前n项和Sn及前m项和Sm(n,m为正整数),p=Sn/Sm