问几道很简单但我却有点疑惑的数学问题在整数0,1,2,3,4,5,6,7,8,9中,设质数的个数为x,偶数的个数为y,完全平方数为z,合数的个数为u,则x+y+z+u的值为( )A.17 B.15 C.13 D.11 两个质数的和是49,则这两
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 11:58:45
![问几道很简单但我却有点疑惑的数学问题在整数0,1,2,3,4,5,6,7,8,9中,设质数的个数为x,偶数的个数为y,完全平方数为z,合数的个数为u,则x+y+z+u的值为( )A.17 B.15 C.13 D.11 两个质数的和是49,则这两](/uploads/image/z/11575036-28-6.jpg?t=%E9%97%AE%E5%87%A0%E9%81%93%E5%BE%88%E7%AE%80%E5%8D%95%E4%BD%86%E6%88%91%E5%8D%B4%E6%9C%89%E7%82%B9%E7%96%91%E6%83%91%E7%9A%84%E6%95%B0%E5%AD%A6%E9%97%AE%E9%A2%98%E5%9C%A8%E6%95%B4%E6%95%B00%2C1%2C2%2C3%2C4%2C5%2C6%2C7%2C8%2C9%E4%B8%AD%2C%E8%AE%BE%E8%B4%A8%E6%95%B0%E7%9A%84%E4%B8%AA%E6%95%B0%E4%B8%BAx%2C%E5%81%B6%E6%95%B0%E7%9A%84%E4%B8%AA%E6%95%B0%E4%B8%BAy%2C%E5%AE%8C%E5%85%A8%E5%B9%B3%E6%96%B9%E6%95%B0%E4%B8%BAz%2C%E5%90%88%E6%95%B0%E7%9A%84%E4%B8%AA%E6%95%B0%E4%B8%BAu%2C%E5%88%99x%2By%2Bz%2Bu%E7%9A%84%E5%80%BC%E4%B8%BA%EF%BC%88+%EF%BC%89A.17+B.15+C.13+D.11+%E4%B8%A4%E4%B8%AA%E8%B4%A8%E6%95%B0%E7%9A%84%E5%92%8C%E6%98%AF49%2C%E5%88%99%E8%BF%99%E4%B8%A4)
xSn@{ډ(?"PO. `I
H(ULFN3; !Ι3gإJ9f-p[,z&3>p/uɫoMaQ5Cd$O4BNR Eb`B6j3Ò)
,8 ;!ëKox;LS
Aw,ȧ`-[ySANե9Us*`8ݯ,=̖>Wrr Q;lx!L&UTLEC:R4]TY"UA-F
(L:ğ0ê
:ftqo^ y*6ϣ6um:)o=umE5L.%`
/IGآxJER)@25Gis1D4j!ܝKXhsw$J"?Fiɶ7{Ch5