17һ
17һ6ƽʮô
ʵϿֱ17-6=11 17-9=17-7-2=10-2=8ƽʮǰѼֳȥһҪ10Ȼ10ȥڶóսţ1...
17ָôд
17ָд£1۱ʡӸдϽǸбߵ½ǸǼĽ7ͷϽǵϽǻ...
17һ9ƽʮô˵
17-9=17-7-2=10-2=8ƽʮ:ǰѼֳ,ȥһҪ10,Ȼ10ȥڶóս
171ڶ?
a^b ʾ abη.= = = = = = = = =171 = (19 *3^2)=319.= = = = = = = = =ע:1+7+1 =9,˵171 ܱ9.ٶ171...
[17ʲô?]
һ ͨ,Եƽȴ4-8cm,ڲʱ2-3cm˶,ȺԳһЩ,ɴ17cm,ֻҪûӰ쵽Թ...
17һʮʮ
ԣ17ʮλ1λ7ǶʮߡһʮߡȻҲܱ֣ͬճУǸϰʹáʮߡּĶԣ...
17 - 7ڼ
17-710㷽£ѭҪģʽǷģζŸı˳ı˴𰸵ķšнԣҲ˵һ...
hcgֵ17
£HCGˮƽڻгڻѸԼÿ췭һHCGֵΪ17ʱҪиľۺжϡHCGֵͿ...
17ֵͪ
17ͪһٷڵļأڲҪصĺϳɡ17ͪʱҽݻߵԱȷֵΧ...
17ıʲô
171=17172=34173=51n17ĺ,n